【Daily Question】 【AC Version for Static Equipment...Question 139】 August 07, 2019 Multiple-choice questions...Essay questions
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bg4.png【Daily Question】【AC Version for Static Equipment...Question 139】 August 7, 2019 Multiple-choice questions...Essay questions...........................................................................Reward rules: 3 wealth for participation, 2 wealth for getting one question right; up to 10 wealth in total. No scoring will be given after two days, except during holidays. ...........................................................................1. What are the principles for arranging baffle plates in heat exchangers? ........................................................................... Answer: 1. The arrangement of the baffle plates must meet the requirements of the process design conditions. In particular, the shape of the baffle plates, the spacing between them, and the position of the baffle plates near the inlet and outlet of the shell-side fluid must all meet the requirements of the process design as much as possible. 2. Unless there are specific requirements in the process design, the baffles located near the material inlets and outlets of the shell side should be placed as close as possible to these inlets and outlets, while the remaining baffles should be arranged at equal intervals. 3. When the shell side contains a single-phase, clean fluid, the baffle should have horizontal notches. When the shell side is in a gas-liquid coexistence state or contains solid materials in the liquid, the baffle should have vertical notches. For horizontal heat exchangers, exhaust and drain notches with an angle of 90 degrees and a depth of 15 mm should be provided at the highest and lowest points of the baffle. ..................................
1. The arrangement of the baffle plates must meet the requirements of the process design conditions. In particular, the shape of the baffle plates, the spacing between them, and the position of the baffle plates near the inlet and outlet of the shell-side fluid must all meet the requirements of the process design as much as possible. 2. Unless there are specific requirements in the process design, the baffles located near the material inlets and outlets of the shell side should be placed as close as possible to these inlets and outlets, while the remaining baffles should be arranged at equal intervals. 3. When the shell side contains a single-phase, clean fluid, the baffle should have horizontal notches. When the shell side is in a gas-liquid coexistence state or contains solid materials in the liquid, the baffle should have vertical notches. For horizontal heat exchangers, exhaust and drain notches with an angle of 90 degrees and a depth of 15 mm should be provided at the highest and lowest points of the baffle.
1. The arrangement of the baffle plates must meet the requirements of the process design conditions. In particular, the shape of the baffle plates, the spacing between them, and the position of the baffle plates near the inlet and outlet of the shell-side fluid must all meet the requirements of the process design as much as possible. 2. Unless there are specific requirements in the process design, the baffles located near the material inlets and outlets of the shell side should be placed as close as possible to these inlets and outlets, while the remaining baffles should be arranged at equal intervals. 3. When the shell side contains a single-phase, clean fluid, the baffle should have horizontal notches. When the shell side is in a gas-liquid coexistence state or contains solid materials in the liquid, the baffle should have vertical notches. For horizontal heat exchangers, exhaust and drain notches with an angle of 90 degrees and a depth of 15 mm should be provided at the highest and lowest points of the baffle.
1. The arrangement of the baffle plates must meet the requirements of the process design conditions. In particular, the shape of the baffle plates, the spacing between them, and the position of the baffle plates near the inlet and outlet of the shell-side fluid must all meet the requirements of the process design as much as possible. 2. Unless there are specific requirements in the process design, the baffles located near the material inlets and outlets of the shell side should be placed as close as possible to these inlets and outlets, while the remaining baffles should be arranged at equal intervals. 3. When the shell side contains a single-phase, clean fluid, the baffle should have horizontal notches. When the shell side is in a gas-liquid coexistence state or contains solid materials in the liquid, the baffle should have vertical notches. For horizontal heat exchangers, exhaust and drain notches with an angle of 90 degrees and a depth of 15 mm should be provided at the highest and lowest points of the baffle.
1. The arrangement of the baffle plates must meet the requirements of the process design conditions. In particular, the shape of the baffle plates, the spacing between them, and the position of the baffle plates near the inlet and outlet of the shell-side fluid must all meet the requirements of the process design as much as possible. 2. Unless there are specific requirements in the process design, the baffles located near the material inlets and outlets of the shell side should be placed as close as possible to these inlets and outlets, while the remaining baffles should be arranged at equal intervals. 3. When the shell side contains a single-phase, clean fluid, the baffle should have horizontal notches. When the shell side is in a gas-liquid coexistence state or contains solid materials in the liquid, the baffle should have vertical notches. For horizontal heat exchangers, exhaust and drain notches with an angle of 90 degrees and a depth of 15 mm should be provided at the highest and lowest points of the baffle.
Answer: 1. The arrangement of the baffle plates must meet the requirements of the process design conditions. In particular, the shape of the baffle plates, the spacing between them, and the position of the baffle plates near the inlet and outlet of the shell-side fluid must all meet the requirements of the process design as much as possible. 2. Unless there are specific requirements in the process design, the baffles located near the material inlets and outlets of the shell side should be placed as close as possible to these inlets and outlets, while the remaining baffles should be arranged at equal intervals. 3. When the shell side contains a single-phase, clean fluid, the baffle should have horizontal notches. When the shell side is in a gas-liquid coexistence state or contains solid materials in the liquid, the baffle should have vertical notches. For horizontal heat exchangers, exhaust and drain notches with an angle of 90 degrees and a depth of 15 mm should be provided at the highest and lowest points of the baffle.
1. The arrangement of the baffle plates must meet the requirements of the process design conditions. In particular, the shape of the baffle plates, the spacing between them, and the position of the baffle plates near the inlet and outlet of the shell-side fluid must all meet the requirements of the process design as much as possible. 2. Unless there are specific requirements in the process design, the baffles located near the material inlets and outlets of the shell side should be placed as close as possible to these inlets and outlets, while the remaining baffles should be arranged at equal intervals. 3. When the shell side contains a single-phase, clean fluid, the baffle should have horizontal notches. When the shell side is in a gas-liquid coexistence state or contains solid materials in the liquid, the baffle should have vertical notches. For horizontal heat exchangers, exhaust and drain notches with an angle of 90 degrees and a depth of 15 mm should be provided at the highest and lowest points of the baffle.
1. The arrangement of the baffle plates must meet the requirements of the process design conditions. In particular, the shape of the baffle plates, the spacing between them, and the position of the baffle plates near the inlet and outlet of the shell-side fluid must all meet the requirements of the process design as much as possible. 2. Unless there are specific requirements in the process design, the baffles located near the material inlets and outlets of the shell side should be placed as close as possible to these inlets and outlets, while the remaining baffles should be arranged at equal intervals. 3. When the shell side contains a single-phase, clean fluid, the baffle should have horizontal notches. When the shell side is in a gas-liquid coexistence state or contains solid materials in the liquid, the baffle should have vertical notches. For horizontal heat exchangers, exhaust and drain notches with an angle of 90 degrees and a depth of 15 mm should be provided at the highest and lowest points of the baffle.
When the shell side of a horizontal heat exchanger contains a single-phase clean fluid, the gaps in the baffle plates should be arranged horizontally, up and down； When the gas contains a small amount of liquid, a liquid inlet should be provided at the lowest point of the baffle with the notch facing upward ； When the liquid contains a small amount of gas, an air vent should be provided at the highest point of the baffle with the notch facing downward. When the fluid in the shell side of horizontal heat exchangers, condensers, and reboilers is a mixture of gas and liquid or contains solid particles, the gaps in the baffle plates should be arranged vertically, from left to right ； When gas and liquid phases coexist, liquid inlets and gas inlets should be provided at the lowest and highest points of the baffle ； When the liquid contains solid particles, a liquid inlet should be provided at the lowest point of the baffle.
At equal intervals; if liquid is present, notches should be made below the baffle plates
Answer: 1. The arrangement of the baffle plates must meet the requirements of the process design conditions. In particular, the shape of the baffle plates, the spacing between them, and the position of the baffle plates near the inlet and outlet of the shell-side fluid must all meet the requirements of the process design as much as possible. 2. Unless there are specific requirements in the process design, the baffles located near the material inlets and outlets of the shell side should be placed as close as possible to these inlets and outlets, while the remaining baffles should be arranged at equal intervals. 3. When the shell side contains a single-phase, clean fluid, the baffle should have horizontal notches. When the shell side is in a gas-liquid coexistence state or contains solid materials in the liquid, the baffle should have vertical notches. For horizontal heat exchangers, exhaust and drain notches with an angle of 90 degrees and a depth of 15 mm should be provided at the highest and lowest points of the baffle.