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Device and method for recycling light components by utilizing flash tank

A technology of flash tank and light components, which is applied in separation methods, flash evaporation, chemical instruments and methods, etc., and can solve problems such as product loss and increased processing costs

Active Publication Date: 2014-02-12
天津渤化工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the heavy fraction contains a certain amount of 5% ～ 50% of the light component, if it enters the sewage treatment plant directly, the product will be lost and the treatment cost will be increased

Method used

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  • Device and method for recycling light components by utilizing flash tank
  • Device and method for recycling light components by utilizing flash tank

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] as per figure 2 For the above content, connect the flash tank, water transfer pump, reboiler, condenser, pipelines and valves. During normal production, the flash tank 4 is full of liquid, the delivery pump 3 is turned on, and the steam in the reboiler 5 is introduced to force the liquid in the flash tank 4 to circulate. The steam generated in the flash tank 4 is condensed by the condenser 6, and the light group points for recycling. The flash tank 4 is equipped with a temperature recording control measuring element TRC. For example, when the temperature of the liquid in the flash tank 4 is high, the DCS will judge and output a signal to control the V3 temperature regulating valve to automatically close down until the temperature of the liquid in the flash tank 4 When the required temperature is reached, the V3 temperature regulating valve stops acting. For example, when the liquid temperature in the flash tank is low, the V3 temperature regulating valve is automatica...

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PUM

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Abstract

The invention discloses a device and method for recycling light components by utilizing a flash tank. The device comprises the flash tank, a reboiler, a condenser, a regulating valve, a measuring meter and a corresponding connecting pipeline, wherein a discharge port A1 in the bottom of a rectifying tower is connected with an inlet A2 of the flash tank, an outlet A3 of the flash tank is connected with a A4 port of a delivery pump; an outlet A5 of the delivery pump is connected with an inlet A6 of the flash tank through the reboiler, and the light components are output through an outlet A7 of the flash tank and the condenser; the delivery pump, the flash tank and the reboiler are arranged in a same horizontal surface, and the position of the condenser is higher than that of the flash tank; the flash tank is provided with a temperature recording control measuring element TRC (Temperature Recording Controller). The method provided by the invention is adopted to fully separate the light components (5%-50%) in heavy components, the recovery rate of the light components is improved, more importantly, the waste discharge value is reduced, and the economic benefits of the device are guaranteed.

Description

technical field [0001] The invention relates to a device and a method for recovering light components using a flash tank. Background technique [0002] With the development of the market economy, saving costs, reducing raw material consumption, and reducing pollutant emissions have generally been valued in the fields of energy conservation and environmental protection. [0003] Energy conservation (referred to as energy conservation) in the "Energy Conservation Law of the People's Republic of China" refers to the strengthening of energy management and the adoption of measures that are technically feasible, economically reasonable, and environmentally and socially acceptable, from energy production to consumption. Reduce consumption, reduce losses and pollutant emissions, stop waste, and use energy effectively and rationally. [0004] At present, domestic mixed liquid separation adopts such as figure 1 As shown, the main facilities include towers, reboilers, transfer pumps,...

Claims

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Application Information

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IPC IPC(8): B01D5/00B01D3/06
Inventor 田丽焕陈永军酆秋月贾维洪
Owner 天津渤化工程有限公司