A shot blasting machine is a kind of surface treatment method of shot blasting. The world's first shot blasting equipment was born 100 years ago. It started to remove impurities, oxide scales and ...Read More >
Many people don't understand. The cleaning of castings is not only by shot blasting. For large parts, it is generally necessary to clean the drum first, which is to remove the riser of the casting...Read More >
Blasting media consumption is a direct cost, as the number of cycles and transmitted energy of a blasting media affects consumption. It is generally estimated that blasting media represents approximat...Read More >
The dust removal system and the ventilation in the sandblasting room are to absorb the dust generated in the blasting cleaning process in time, to reduce the dust concentration in the blasting room, and to improve the indoor visibility, the working environment of the blasting workers, which is conducive for the workers to control the quality of blast cleaning and to improve production efficiency.
There are two methods of sandblasting room ventilation: the vertical ventilation and horizontal ventilation. The horizontal ventilation is generally used in sand blasting rooms with large particles, and it requires less ventilation than the vertical ventilation. The ventilation speed in the cleaning room should be sufficient to remove the dust generated during the blast cleaning process effectively, and its size depends on the amount of dust generated by the abrasive used.
There are generally two calculation methods for ventilation in the sand blasting room. One is to calculate the ventilation according to the ventilations rates. The other one is to calculate the ventilation according to the wind speed on the cross section of the sand blasting room. The large-scale sand blasting room uses the first method to calculate the ventilation volume more than the second, and there is no standard for the ventilation rates. The less can be only 5 times / H, while some foreign sand blasting rooms have the ventilation rates up to 20 times / H.
The second calculation method is mostly used for the ventilation of the small or the medium shot blasting rooms. The wind speed on the cross-section is different from the abrasive used. If any abrasive that is easily broken and has a large amount of dust is used, the ventilation speed will be higher. Otherwise, the ventilation speed can be lower. The sand blasting room with steel sand or steel shot as the abrasive has the least ventilation. The dust content is very high in the air of the sand blasting room’s ventilation devices, and it needs to be purified before it can be discharged into the atmosphere. The device used to purify the dusty air is our dust removal system, which is common to see. The device used to purify dusty air is the dust removal system, which is common to see. The ventilation and dust removal systems that can be used in sand blasting rooms are cyclone dust collectors, bag dust collectors, and so on.