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Can anyone comment on the use of high pressure sodium (HPS) lights and use of them in conveyor tunnels. The tunnel has dust due to the products being conveyed. Products like coke, quartz, chromium oxide. Does the light have any affect on the dust or can an expolsion occurr. Will the light travel...

Good day all, Can you refer me to literature to size a vent for a tank. Thanking all for their replies.

Could someone explain to me what is a flameproof, explosion proof and a non sparking motor. How is each motor manufactured for the conditions above. Thanks for the help.

I need to calculate the pulley diameter to reduce the conveyor belt speed to 40m/min. It has been a long time since I worked with the calculations. Description of set-up: Motor running at 1470rpm transmits power from a 145mm pulley to a larger pulley of diameter 630mm. from here a gearbox with...

Any ideas were one can find information on the testing, inspection, usage and control of lifting equipment as is legally required by law? ASME codes would be much appreciated.

Good day Colleagues, I require your help with the following: I need to calculate the motor power requirement for mixing of liquid and solids in a tank. Specifications: Diameter of tank: 1.3m Height: 1.1m Viscosity: 5000cP Your help will be much appreciated. Also please note the relevant...

Good day all, The situation: A mag drive pump has been installed in the plant and is the bottoms pump for a vessel. The pump liquid is Ethane and condensate. On start-up of the pump the pump fails due to journal bearing failure. The bearing is contained within a silicon carbide sleeve which...

Good day all, The suituation: A mag drive pump has been installed in the plant and is the bottoms pump for a vessel. The pump liquid is Ethane and condensate. On start-up of the pump the pump fails due to journal bearing failure. The bearing is contained within a silicon carbide sleeve which...

Please could someone shed some light as to the present design of the Electrode gland holder assembly for reactors producing cyanide. Present problems faced with are: The electrodes that pass through the assembly into the reactor seems to fail. Presently it seems to be occuring on one of the...

Please could someone comment on the max. tempareture difference allowed for a plate heat exchanger to cool water successfully? Please could you give me a tempareture range that one could go and utilize such and exchanger? Advantages/disadvantages of plate vs shell and tube and plate vs spiral...

Can anyone suggest ideas as to what could be done to prevent gas coolers from clogging up. Process scernario: Hydrogen cyanide gas is formed in a reactor at 1500 C , sent to a cycolone to to remove soot within the HCN gas. The soot comes into the process into the reactors known as carbon...

Please could someone comment on the max. tempareture difference allowed for a plate heat exchanger to cool water successfully? Please could you give me a tempareture range that one could go and utilize such and exchanger? Advantages/disadvantages of plate vs shell and tube and plate vs spiral...

Please could someone shed some light as to the present design of the gland assembly for reactors. Present problems faced with are: The electrodes that pass through the assembly into the reactor seems to fail. Presently it seems to be occuring on one of the assemblies out of six electrodes. Has...