Evaporator with utilizing pipe bundle drier exhaust
A technology of tube bundle drying and evaporator, which is applied in the field of mechanical devices, can solve problems such as energy waste and environmental damage, and achieve the effects of ingenious conception, outstanding energy saving and consumption reduction, and remarkable economic and environmental benefits
Inactive Publication Date: 2012-02-15
邓亚东
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Problems solved by technology
Therefore, most starch companies currently discharge this part of waste gas directly into the atmosphere, causing energy waste and environmental damage.
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[0014] The main feature of the present invention is that a tail gas recovery tank (2) is installed behind the tail gas outlet (1) of the tube bundle dryer, and a spray head (3) is arranged in the tank so that the tail gas passes through the water mist, The non-condensable gas is discharged, and the heat and water are recovered for the evaporator (7). Only three examples are listed below.
[0015] The first embodiment: as figure 1 As shown, add an exhaust gas recovery tank (2) behind the tube bundle dryer, the exhaust gas outlet (1) of the tube bundle dryer is connected to the lower part of the exhaust gas recovery tank (2), and the upper part of the exhaust gas recovery tank (2) A water inlet pipe (5) is connected, and the water inlet pipe (5) enters the tank and is equipped with a plurality of shower heads (3). An exhaust pipe (4) is arranged at the upper end of the exhaust gas recovery tank (2), and a heat transfer pipe (6) is arranged at the lower part. When working, the...
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The invention relates to a mechanical device, that is, an evaporator with utilizing pipe bundle drier exhaust, characterized in that: an exhaust outlet (1) of the pipe bundle drier is connected with an exhaust recovery pot (2), the upper portion of the exhaust recovery pot (2) is inserted into a water inlet pipe (5), a sprinkler head (3) is arranged in the water inlet pipe (5) and connected with the water inlet pipe (5), the upper end of the exhaust recovery pot (2) is provided with an exhaust pipe (4), the lower portion of the exhaust recovery pot (2) is connected with a heat pipe (6), the other end of the heat pipe (6) is connected with a thermal medium inlet (8) of the evaporator (7). According to the invention, heat and water of the exhaust of the pipe bundle drier is remained and non-condensable gas is discharged through spraying spray, the heat transfer performance is improved, using the pipe bundle drier exhaust in the evaporator can replace a large amount of live steam, so that the condensation cost of the fluid materials is signally reduced. The invention has the advantages of outstanding energy saving and consumption reduction effect, good economic benefit and environmental protection benefit, ingenious conception, simple structure, reliable performance and the like, and has a considerable application prospect.
Description
technical field [0001] The invention relates to a mechanical device, that is, an evaporator utilizing tail steam of a tube bundle dryer. Background technique [0002] The evaporator is a tank-shaped device that uses raw steam to concentrate fluid materials. It is equipped with a feed inlet and a steam inlet. There are plate or tube exchangers inside. The fluid materials and raw steam are concentrated through wall heat exchange. In order to improve the utilization rate of heat energy, it is necessary to connect multiple evaporator units in series for continuous operation, that is, to form a multi-effect evaporator. In the process of starch production and deep processing of starch such as starch sugar and monosodium glutamate, the concentration process of corn steep liquor or liquid sugar requires the use of multi-effect evaporators. Since raw steam is used as the heat source, the operating cost of the multiple effect evaporator is very high. Therefore, saving steam and redu...
Claims
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IPC IPC(8): B01D1/14
Inventor 邓亚东
Owner 邓亚东