Distillation tower
A distillation tower and methanol technology, applied in the field of distillation towers, can solve the problems of being unsuitable for use by ordinary units, easy to burn or even explode, and unable to guarantee methanol, etc., and achieve the effects of reasonable structure, reasonable structure design, and reduction of environmental pollution.
Inactive Publication Date: 2011-10-12
山东蓬莱小鸭洗涤设备有限公司
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Problems solved by technology
Because the device has an open structure, the concentration of methanol in the air exceeds 65.5g / m3, and the human body will be in a very dangerous situation, and the boiling point of methanol is 64.5 degrees Celsius, which is extremely flammable or even explosive; moreover, the device has no detection device for purity, so it cannot Ensure that the distilled methanol can meet the requirements. The device occupies a large area and requires a vertical height of more than 15 meters, which is not suitable for ordinary units.
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Embodiment 1
[0013] A distillation tower of this embodiment, the distillation tower is a vacuum closed structure, including a methanol inlet device 3 and a methanol delivery device 2 for transporting methanol solvent into the distillation tower, and the methanol delivery device 2 is connected to the distillation device through a pipeline 5. The distillation device 5 is provided with a distillation temperature detection device 6 for detecting its internal temperature, a distillation liquid level detection device 8 for detecting its internal liquid level height, and a heating device 7 for heating the methanol solvent in it. The distillation device The output end of 5 is connected with a distillation and filtration device 9 for filtering impurities such as pigments, and a reflux temperature detection device 10 for detecting the temperature of methanol is installed on the distillation and filtration device 9, and the output end of the distillation and filtration device 9 is connected to the inpu...
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The invention relates to a distillation tower, in particular being applicable to recycling methyl alcohol solvent and belonging to the technical field of distillation tower structures. The distillation tower comprises a methyl alcohol inlet device and a methyl alcohol conveyor, wherein the methyl alcohol conveyor is communicated with a distillation device by virtue of a pipeline, the output end of the distillation device is communicated with a distillation filtering device, the distillation filtering device is provided with a reflux temperature detector, the output end of the distillation filtering device is communicated with the input end of a cooling device, a pipeline led out from the output end of the cooling device is divided into two branches, a sampling detector is arranged at branch of the two branches, one branch of the two branches is returned to the distillation filtering device to form a closed loop between the distillation filtering device and the cooling device, the loop is provided with a reflux device, the other branch is communicated to a liquid storage device, and the output end of the liquid storage device is communicated with the methyl alcohol conveyor and the methyl alcohol output device by virtue of the pipeline. The distillation tower provided by the invention has reasonable structural design, occupies small area, can effectively ensure personal safety and environmental safety and can effectively recycle methyl alcohol.
Description
technical field [0001] The invention relates to a distillation tower, which is especially suitable for recycling methanol solvent and belongs to the technical field of distillation tower structure. Background technique [0002] At present, known methanol distillation devices are divided into open heating tanks. Methanol is heated by electricity or steam to become a gaseous state, and enters a methanol storage device after being condensed by a gas introduction device. Because the device has an open structure, the concentration of methanol in the air exceeds 65.5g / m3, and the human body will be in a very dangerous situation, and the boiling point of methanol is 64.5 degrees Celsius, which is extremely flammable or even explosive; moreover, the device has no detection device for purity, so it cannot To ensure that the distilled methanol can meet the requirements, the device occupies a large area and requires a vertical height of more than 15 meters, which is not suitable for or...
Claims
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IPC IPC(8): B01D3/10B01D3/42C07C31/04C07C29/80
Inventor 王莉姜晓东王栋张郁利
Owner 山东蓬莱小鸭洗涤设备有限公司