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1. good design, good quality, 2. easy operation, labor saving, 3. power saving, high output - details see: https://www.machineto.com/afghanistan-through-type-shot-blasting-machine-10160705

Afghanistan

through type shot blasting machine

Advantages:

1. good design, good quality
2. easy operation, labor saving
3. power saving, high output

This series of shot blasting machine belong to the roller type shot blast cleaning machine. And minly used in ship making to be de-stress and surface de-rust the steel plate shot blasting, Painting, Drying ,and structure ,such as L arge-scale H steel,ect.in the construction and bridge profession.

The body case of shot-blasting room is a kind of welding structure by steel plate and steel sections. There are 4 -16 impeller head assemble at the top of the shot-blasting roomwhose arrangement is the result of computer dynamic simulation that all arrangement angle position

designed and are by computer. Each group of impeller heads keeps a certain with movement angle the direction of workpiece which can guarantee to comprehensively clean up the work piece and avoid blasting projectile uselessly as far as possible. Thus enhances the utilization ratio of projectile to the maximum limit and reduces guard plate attrition of shot-blasting room. The room body shell is firm and durable with good rigidity.

The room body interior guard plate uses Mn13 with good Structurerier .The front and back sealed chamber's length is 3000-6000mm respectively.The sealed chamber connected with shot-blasting room with one side and the another side is equipt with 5 layers Labyrinth sealing .The sealed chamber room body structural style is as follows:

The sealed chamber shell is made in welding structure of steel plate and section, which has enough intensity and rigidity. The front and back sealed chamber are equipped with security access door, which is very convinent to enter the inner rooms for work. The entire sealed chamber body structure is reasonable, firm reliable and with good rigidity .

The sealed chamber internal section that 500mm apart from shot-blasting room is adopt by 65Mn high wear-resisting guard plate for protection, The guard shield is installed in the way of the building block system, fixed with specially-made ZGMn13 nut whose Structurerier propterty is good and is convenient to disassemble. The entire sealed chamber protection performance is good whose service life can be longer than 10 years.

General description and main features of the technical scheme

As for your strict requirements of the steel pretreatment line equipment, the main features of our company’s design are stated as following:

1. At the front part of theshot-blast cabinet there is aphotoelectric height-and-width-finding device (photoelectric switch is brought in from Japan), which provide basis for opening amount and time of blasting wheel gate and up-down height of rolling and sweeping device.

2. The placement of shot-blast chamber and blasting wheel is defined according to computer 3D dynamic shot-blast simulation. By blots the blasting wheel is linked to the connecting base fixed to the chamber ( do not regard the chamber as the installation base), which helps installation and disassembly of blasting wheel,meanwhile,asbestos cushion is placed to reduce shock.

3. Shot blasting machine adopts high efficiency blasting wheel (with curve plates) of America DISA technology, which can form double casting belts. This broadens striking area of shots and avoids to over-concentrative phenomenon of shots when blasting wheel with great casting capacity works, which can increase productivity and achieve the most satisfied results. The equipment can not work when the upper gate of blasting wheel is opened.

4, Shot-blast chamber is a box structure welded with 10mm thick steel sheet. The high strength can avoid vibration. The inner is protected by wear-resisting Mn13 rolling guard boards which adopts spigot connection that can extend service life of the chamber and take full use of shots’ rebounding to form second cleaning.

5, Roller table in chamber is made by process and heat treatment of high Cr and Mo special iron protective shell, which extends service life and reduces repair rate. Bearing of two sides use maze-type guard to stop aggression of dust and broken shots and enhance working life of the bearing.

6, The upper and lower part of entry and exit of workpeices is sealed up by special wear-resisting (each has 6 layers), which reduced splashing and overflowing of shots effectively.

7,Reverse-proof of elevator is designed with double safety:one is that the upper transmission wheel is made with ratchet wheel catch pawl; the other is transmission motor uses braked motor. At the same time, a warning device is placed near the passive wheel.

8, Full and flowing curtain design of separator: Separator is controlled by double cylinders and impeding level probe. They can adjust flowing curtains automatically according to the shots’ situation so as to achieve effect of full and flowing curtain.

9, Automatic shot-replenishing device: At the top of chamber there are the upper and lower feed level recorders in the store forautomatic detection of shot capacity. Shot-replenishing hopper and pneumatic valve at the lower part of elevator accompany with the upperfeed level recorders to control shot-replenishing together. The feed level recorder in shot-replenishing hopper is to warn shot-feeding.

10,High recycle rate of residual shots: at the rear part of shot blasting machine there is a recycling bolt, rolling brush (stiff brush) and high-pressure fan to remove the remain shot on the surface of workpieces.

11, Dedusting system useswhirlwind and filter cylinder type dust collector that can reach dedusting efficiency beyond 99.9%, which surely meet requirement ofintegrated emission standard of air pollutants.Two sets of dollies with recycling bag are put there at the lower part of dust collector so as to discharge dust. The height of dust-releasing pipe is more than or equal to 16m.

12,The overall noise of the equipment is less than or equal to 80dB.

13,The whole line uses simulation screens and PLC which means working state and malfunction are simulated to show, each operating state are displayed in multiple pages and program switch is set up according to the type of workpieces. Main elements such as PLC, inverter and so on introduce OMORON products.

14,All steel structures in the line are blasting-cleaned and rust-removed before welded,and then be painted with primer.

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