During the process of road work, drop glass bead onto the road line painted with thermoplastic paint which is heated to certain temperature while the paint is still wet, thus to increase the reflectivity of road marking. According to the specification of Communication Industry Standard of the People`s Republic of China No. JT/T446-2001, the granulometry for drop on glass bead is shown in the table below:
Other parameters keep conformity with the type of intermix.
The glass bead can be produced based on the standard of countries or areas, such as EN1423/1424, AASHTO M247, BS6088, JIS R3301 and KS L2521 etc.
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Electric diaphragm pumps occupy a very important position in the development of national economy in our country. They have irreplaceable status in other fields such as petrochemical, ceramics, metallurgy, construction, environmental protection, sewerage and chemical industry. Although the electric diaphragm pump in the work and other pump equipment will have the same failure, but this does not affect the use of such products. Next will introduce several common electric diaphragm pump fault and troubleshooting. Electric diaphragm pump failure analysis and solution 1, the diaphragm pump air valve icing fault solution: Check the compressed air moisture content is too high, the installation of air drying equipment 2, the diaphragm pump outlet bubbles have a problem Solution: Check the diaphragm Whether it is broken, check whether the locking clamp, especially the inlet pipe clamp. 3, the product flows out of the air outlet failure solution: check the diaphragm is broken, check the diaphragm and the clamp on the shaft is clamping 4, pneumatic, electric diaphragm pump is not moving or operating very slow Troubleshooting: Check the air inlet End of the filter or air filter device for impurities; check the air valve is stuck, with a cleaning fluid cleaning air valve. 5, pneumatic diaphragm pump work, but the flow is small or no liquid out of the solution to solve the problem: Check the pump cavitation, reducing the speed of the pump to allow liquid into the liquid chamber; Check the valve ball is stuck. If the operating fluid is incompatible with the pump elastomer, the elastomer will swell. Please replace the appropriate material elastomer. Electric diaphragm pump during use, although there will be a breakdown of the situation, but as long as the workers based on the actual situation to make a reasonable treatment, I believe these failures will not have a great impact on the work. It is impossible to guarantee that the equipment will not cause any accidents at work in time if there is more experienced workers. We can only minimize the occurrence of such accidents. In order to better use of equipment and protection of production.