Sulfur Recovery Daily Question 2019.1.19
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What are the factors that affect the deoxidation efficiency of deoxidizers? Answer: The factors that affect the deoxidation efficiency of a deaerator include: ① The water must be heated to its boiling point: To ensure that the water in the deaerator is in a boiling state, it is necessary to regulate the amount of steam and water supplied. If insufficient steam is provided, the water temperature drops below the boiling point, resulting in an increase in dissolved oxygen; on the other hand, if too much steam is supplied, the steam pressure rises, which can cause water hammer. ②The amount of water supplied as replenishment should be as stable as possible: it should be added continuously and evenly, without interruptions or significant fluctuations ； Furthermore, during boiler operation, condensate water should be recovered as much as possible, as it has a high return temperature and low oxygen content. ③The opening degree of the exhaust valve should be appropriate: too small results in poor deoxidation, while too large leads to heat loss. Under normal operation, a slight amount of steam should emerge from the exhaust pipe, with the exhaust volume being controlled at 5%-10% of the total steam intake.
Factors that affect the deoxygenation efficiency of a deaerator include: ① The water must be heated to its boiling point: To ensure that the water in the deaerator is in a boiling state, it is necessary to regulate the amount of steam and water supplied. If insufficient steam is provided, the water temperature drops below the boiling point, resulting in an increase in dissolved oxygen; on the other hand, if too much steam is supplied, the steam pressure rises, which can cause water hammer. ②The amount of water supplied as replenishment should be as stable as possible: it should be added continuously and evenly, without interruptions or significant fluctuations ； Furthermore, during boiler operation, condensate water should be recovered as much as possible, as it has a high return temperature and low oxygen content. ③The opening degree of the exhaust valve should be appropriate: too small results in poor deoxidation, while too large leads to heat loss. Under normal operation, a slight amount of steam should emerge from the exhaust pipe, with the exhaust volume being controlled at 5%-10% of the total steam intake.
Factors that affect the deoxygenation efficiency of a deaerator include: ① The water must be heated to its boiling point: To ensure that the water in the deaerator is in a boiling state, it is necessary to regulate the amount of steam and water supplied. If insufficient steam is provided, the water temperature drops below the boiling point, resulting in an increase in dissolved oxygen; on the other hand, if too much steam is supplied, the steam pressure rises, which can cause water hammer. ②The amount of water supplied as replenishment should be as stable as possible: it should be added continuously and evenly, without interruptions or significant fluctuations ； Furthermore, during boiler operation, condensate water should be recovered as much as possible, as it has a high return temperature and low oxygen content. ③The opening degree of the exhaust valve should be appropriate: too small results in poor deoxidation, while too large leads to heat loss. Under normal operation, a slight amount of steam should emerge from the exhaust pipe, with the exhaust volume being controlled at 5%-10% of the total steam intake.
Factors that affect the deoxygenation efficiency of a deaerator include: ① The water must be heated to its boiling point: To ensure that the water in the deaerator is in a boiling state, it is necessary to regulate the amount of steam and water supplied. If insufficient steam is provided, the water temperature drops below the boiling point, resulting in an increase in dissolved oxygen; on the other hand, if too much steam is supplied, the steam pressure rises, which can cause water hammer. ②The amount of water supplied as replenishment should be as stable as possible: it should be added continuously and evenly, without interruptions or significant fluctuations ； Furthermore, during boiler operation, condensate water should be recovered as much as possible, as it has a high return temperature and low oxygen content. ③The opening degree of the exhaust valve should be appropriate: too small results in poor deoxidation, while too large leads to heat loss. Under normal operation, a slight amount of steam should emerge from the exhaust pipe, with the exhaust volume being controlled at 5%-10% of the total steam intake.
①The water must be heated to its boiling point: To ensure that the water in the deaerator is in a boiling state, it is necessary to pay attention to regulating the amount of steam and water during operation. If the amount of steam supplied is insufficient, the water temperature drops below the boiling point, resulting in an increase in dissolved oxygen; on the other hand, if too much steam is supplied, the steam pressure rises, which can cause water hammer. ②The amount of water supplied as replenishment should be as stable as possible: it should be added continuously and evenly, without interruptions or significant fluctuations ； Furthermore, during boiler operation, condensate water should be recovered as much as possible, as it has a high return temperature and low oxygen content. ③The opening degree of the exhaust valve should be appropriate: too small results in poor deoxidation, while too large leads to heat loss. Under normal operation, a slight amount of steam should emerge from the exhaust pipe, with the exhaust volume being controlled at 5%-10% of the total steam intake.
Answer: The factors that affect the deoxidation efficiency of a deaerator include: ① The water must be heated to its boiling point: To ensure that the water in the deaerator is in a boiling state, it is necessary to pay attention to adjusting the amount of steam and water during operation
①The water must be heated to its boiling point: To ensure that the water in the deaerator is in a boiling state, it is necessary to pay attention to regulating the amount of steam and water during operation; if the inflow...
(1) The inlet water temperature is too low. Such as when the low-pressure heater is out of service, or when the make-up water volume to the deaerator is too high, etc ； (2) Excessive oxygen content in the inlet water. For example, a low vacuum in the condenser, air leaking into the vacuum system, which increases the oxygen content in the condensate water, and so on. (3) The steam supply to the deaerator was low, and the amount of steam entering the deaerator was not adjusted in a timely manner.
Factors that affect the deoxygenation efficiency of a deaerator include: ① The water must be heated to its boiling point: To ensure that the water in the deaerator is in a boiling state, it is necessary to regulate the amount of steam and water supplied. If insufficient steam is provided, the water temperature drops below the boiling point, resulting in an increase in dissolved oxygen; on the other hand, if too much steam is supplied, the steam pressure rises, which can cause water hammer. ②The amount of water supplied as replenishment should be as stable as possible: it should be added continuously and evenly, without interruptions or significant fluctuations ； Furthermore, during boiler operation, condensate water should be recovered as much as possible, as it has a high return temperature and low oxygen content. ③The opening degree of the exhaust valve should be appropriate: too small results in poor deoxidation, while too large leads to heat loss. Under normal operation, a slight amount of steam should emerge from the exhaust pipe, with the exhaust volume being controlled at 5%-10% of the total steam intake.
Factors that affect the deoxygenation efficiency of a deaerator include: ① The water must be heated to its boiling point: To ensure that the water in the deaerator is in a boiling state, it is necessary to regulate the amount of steam and water supplied. If insufficient steam is provided, the water temperature drops below the boiling point, resulting in an increase in dissolved oxygen; on the other hand, if too much steam is supplied, the steam pressure rises, which can cause water hammer. ②The amount of water supplied as replenishment should be as stable as possible: it should be added continuously and evenly, without interruptions or significant fluctuations ； Furthermore, during boiler operation, condensate water should be recovered as much as possible, as it has a high return temperature and low oxygen content. ③The opening degree of the exhaust valve should be appropriate: too small results in poor deoxidation, while too large leads to heat loss. Under normal operation, a slight amount of steam should emerge from the exhaust pipe, with the exhaust volume being controlled at 5%-10% of the total steam intake.
The water must be heated to its boiling point: To ensure that the water in the deaerator is in a boiling state, it is necessary to pay attention to adjusting the amount of steam and water during operation