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Alcohol dehydration steam heating system

A heating system and alcohol dehydration technology, applied in the field of heating systems, can solve the problems of reduced heat transfer efficiency, high exhaust gas temperature, and reduced service life of equipment

Active Publication Date: 2017-02-22
JIANGSU JINNIU ENVIRONMENTAL ENG EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] (1) The outlet temperature of the steam heater must reach 625°C, and the fluid in the tube is gas, which will cause the wall temperature of the heat exchange tube to be too high and reduce the service life of the equipment;
[0008] (2) The steam intake temperature is 300°C, which makes the exhaust gas temperature too high and reduces the heat transfer efficiency. How to reduce the exhaust gas temperature and reduce operating costs

Method used

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Examples

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Embodiment 1

[0037]Embodiment 1: A kind of alcohol dehydration steam heating system, comprising ethylene oxide heating furnace 1, waste ethanol tank 10, waste steam buffer tank 11, process water heater 12, exhaust fan 13, air preheater 14 and chimney 15. The ethylene oxide heating furnace 1 is sequentially divided into a combustion chamber 1.1 in the front section, a radiation heating chamber 1.2 in the middle section, and a convection heating chamber 1.3 in the rear section. The combustion chamber 1.1 is a horizontal circular straight cylinder, and the material of the combustion chamber 1.1 is made of external Q235B The metal shell and internal corundum material are poured, and the material of radiation heating chamber 1.2 and convection heating chamber 1.3 is composed of external Q235B metal shell and internal ceramic fiber cotton block. Two protruding rings 1.1.1 are arranged near the rear end of the combustion chamber 1.1, and the protruding rings 1.1.1 are made of refractory material, ...

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PUM

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Abstract

The invention relates to an alcohol dehydration steam heating system. The alcohol dehydration steam heating system comprises an oxirane heating furnace, a waste alcohol tank, a waste steam buffer tank, a process water heater, a smoke exhaust fan, an air preheater and a chimney, wherein a process steam pipeline is connected with a heat exchanger on the topmost end of a flue, a radiation heater is connected with a process steam output pipeline, waste alcohol is connected with the waste alcohol tank through a waste alcohol conveying pipeline, the waste alcohol tank is connected with a waste liquid gun through the waste alcohol conveying pipeline, the waste liquid gun is arranged in a waste liquid gun inlet, natural gas is connected with a burner through a natural gas pipeline, the burner is arranged in a burner inlet, the smoke exhaust fan is arranged on the topmost end of the flue, the smoke exhaust fan is connected with the air preheater through a smoke exhaust pipeline, the air preheater is connected with the chimney through the smoke exhaust pipeline, a circulation air compensation pipeline which is connected with a circulation air compensation device is additionally arranged on the smoke exhaust pipeline between the smoke exhaust fan and the air preheater, and a recycling pipeline which is connected with a waste steam mixed distributor is additionally arranged on the air preheater.

Description

technical field [0001] The invention relates to a heating system for providing a heat source for an ethanol dehydration reactor in an ethylene oxide project. Background technique [0002] The heating system should ensure that the heat provided can meet the requirements of the device production, and at the same time, the waste gas and waste liquid should be turned into harmless substances after incineration and discharged directly into the atmosphere; the system design and manufacturing principles should meet the following requirements: [0003] (1) Conscientiously implement relevant government laws and regulations, and strictly implement various national laws and regulations on environmental protection, safety production and industrial hygiene. After waste treatment, it must meet the corresponding national discharge standards. [0004] (2) The technology and equipment require advanced, reliable, economical and reasonable; reduce operating costs, pay attention to material rec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G7/04F23G7/06F22G1/16F22G7/12F23J15/06F23J13/00
CPCF22G1/16F22G7/12F23G7/04F23G7/06F23J13/00F23J15/06Y02E20/30
Inventor 孙明华王建平王兆民
Owner JIANGSU JINNIU ENVIRONMENTAL ENG EQUIP
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