System and method for evaluation of the deposition in tubes of the furnaces of a delayed coking unit

A system for evaluation of deposition in tubes of furnaces of a delayed coking unit, wherein the system comprises:

• a jacketed load vessels with a heating system, wherein the load vessel comprises a first temperature gauges and is configured to store a sample;
• a piston pump comprising a second temperature gauge at an inlet;
• three furnaces arranged in line, wherein a third temperature gauge is coupled at an inlet of a first furnace, a fourth temperature gauges is placed between the first furnaces and a second furnace, and a fifth temperature gauge is placed between the second furnace and a third furnace, wherein each of the three furnaces have another temperature gauges glued in a middle of the furnaces in a reaction section, wherein the piston pump is configured to pump the sample through the three furnaces, the first furnace is configured to heat the sample to a first temperature at which a pyrolysis reaction is initiated, the second furnace is configured to heat the sample to a second temperature greater than the first temperature, the third furnace is configured to heat the sample to a third temperature greater than the second temperature and then subsequently cool the sample, and each of the three furnaces comprises a removable tube for collecting deposit material;
• a first pressure controller at the inlet of the first furnace;
• a second pressure controller between the first and third furnaces;
• an outlet pressure controller at an outlet of one of the three furnaces;
• and
• a control and supervision system.