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Tower outside heat exchange device for menthol producing technique

A technology of production process and heat exchange equipment, which is applied in the chemical industry, sustainable manufacturing/processing, carbon dioxide reduction method preparation, etc., can solve the problems of huge power consumption of equipment, reduce one-time investment, reduce production cost, and reduce energy consumption. consumption effect

Active Publication Date: 2008-05-28
LONGHUA TECHNOLOGY GROUP (LUOYANG) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, in order to solve the water problem, the water cooler is changed to air cooling in these systems, but the equipment is huge and consumes a lot of power, and it cannot meet the process requirements when the ambient temperature is high in summer, so only a water cooler can be used to meet the process requirements

Method used

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  • Tower outside heat exchange device for menthol producing technique
  • Tower outside heat exchange device for menthol producing technique
  • Tower outside heat exchange device for menthol producing technique

Examples

Experimental program
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Embodiment Construction

[0028] Its structure is described in conjunction with the embodiment that accompanying drawing provides:

[0029] As shown in Figure 2, image 3As shown, the evaporative air-cooled heat exchanger in this embodiment mainly includes the finned tube group 2 as the precooling section, the heat exchange component 5 of the evaporative heat exchange section, the axial flow fan 1, the water spray device 4 and the inlet Air grid 6; there are also water pumps 9, water tanks 10, etc.; the axial flow fan 1 is located at the uppermost part of the equipment, and the finned tube group 2 cooled by air is arranged horizontally below the axial flow fan, and the finned tube group has multiple rows and multiple fins Both ends of the finned tubes are connected to the tube box, and the tube boxes at both ends are respectively connected to the process fluid inlet and the heat exchange part 5 of the evaporation heat exchange section, so that the high-temperature process fluid first enters the finned t...

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PUM

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Abstract

The invention pertains to the cooling and condensation technology of methanol production. A heat exchanging equipment outside a tower of the provided methanol production process adopts an evaporation air-cooled cooler to respectively carry out heat exchanging treatment for virgin gas at different levels in a compression section and mixed gas out of a synthesis tower; gas methanol from a pre-rectification tower and gas methanol from an atmospheric tower are condensed as liquid methanol by adopting an evaporative water cooler; an arranged multicell combination heat exchanger has a plurality of independent heat exchanging cells; multiplex process fluids of the methanol production are respectively treated by condensation and cooling. The heat exchanging equipment provided by the invention can improve the condensation and cooling effect of heat exchanging outside the tower in the methanol production; heat transfer efficiency, testified by practice, can be improved by more than 10 percent, thereby reaching the function of saving energy and reducing consumption.

Description

technical field [0001] The invention belongs to the methanol production cooling and condensation technology, and mainly relates to an external heat exchange equipment in the methanol production process. Background technique [0002] In the methanol production process, water gas or other raw material gas is purified and then compressed. The raw material gas is compressed in multiple stages to gradually increase the pressure of the outlet gas to meet the process requirements. After each stage of compression, the process gas must be cooled to make it The temperature is lowered to the process requirement, and then the next stage of compression is carried out. In the compression process, the heat exchangers for intermediate cooling at all levels are all water-sprayed cooling pipes. In the synthesis process, the crude methanol is condensed, that is, the raw material gas reaches the process state and then enters the synthesis tower for catalytic reaction, and the mixed gas exiting...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C31/04C07C29/15
CPCY02P20/10
Inventor 李占明侯子午冯秀荣刘岩管长明申德用王金庆李卫
Owner LONGHUA TECHNOLOGY GROUP (LUOYANG) CO LTD
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