Automatic mineral oil water separation device and process method for solvent tail gas absorption system

A tail gas absorption and water separation device technology, applied in separation methods, chemical instruments and methods, liquid separation, etc., can solve the problems of many human factors and poor reliability of artificial discharge, so as to reduce environmental pollution, optimize work efficiency and quality, The effect of enhancing the absorption effect

Pending Publication Date: 2021-09-28
JIUSAN OILS & GRAINS IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of research and development of the present invention is to solve the problem that the wastewater discharge in the paraffin oil of the existing tail gas system is artificial drainage: the reliability of artificial discharge is poor, and there are many human factors. A brief overview of the present invention is given below in order to provide information on the present invention. basic understanding of some aspects of

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  • Automatic mineral oil water separation device and process method for solvent tail gas absorption system
  • Automatic mineral oil water separation device and process method for solvent tail gas absorption system
  • Automatic mineral oil water separation device and process method for solvent tail gas absorption system

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specific Embodiment approach 1

[0032] Specific implementation mode one: combine Figure 1-Figure 3 Describe this embodiment, a kind of solvent tail gas absorption system mineral oil automatic water separation device of this embodiment, comprise desorption tower 1, lean oil pump 2, heat exchanger 3, lean oil cooler 4, absorption tower 5, rich oil pump 6, Rich oil heater 7 and tail gas blower 8, the bottom of desorption tower 1 is connected to inlet d of heat exchanger 3 through lean oil pump 2, outlet b of heat exchanger 3 is connected to absorption tower 5 through lean oil cooler 4, and absorption tower 5 The bottom is connected to the c inlet of the heat exchanger 3 through the oil-rich pump 6, the outlet a of the heat exchanger 3 is connected to the top of the analysis tower 1 through the oil-rich heater 7, and the top of the absorption tower 5 is equipped with an exhaust fan 8, which is characterized in that: Including an automatic drainage box 9, an automatic drainage box 9 is arranged on the pipeline c...

specific Embodiment approach 2

[0036] Specific implementation mode two: combination Figure 1-Figure 3 To illustrate this embodiment, based on specific embodiment one, a mineral oil automatic water separation process method of a solvent tail gas absorption system in this embodiment:

[0037] Step 1, the uncondensed free gas in the oil leaching process system enters the lower part of the absorption tower 5;

[0038] Step 2, the absorption tower 5 is a packed tower, the absorption tower 5 is operated under negative pressure, the paraffin oil is introduced from the upper part of the absorption tower 5, the paraffin oil and the free gas are countercurrently absorbed, and the principle of using the paraffin oil to dissolve with the solvent and not dissolve the air, Absorb solvent oil in free gas;

[0039] Step 3, the rich oil formed after the absorption of paraffin oil in step 2 is transported from the inlet c to the heat exchanger 3 through the rich oil pump 6, and after exchanging heat inside the heat exchang...

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Abstract

The invention discloses an automatic mineral oil water separation device and process method for a solvent tail gas absorption system and belongs to the technical field of tail gas treatment. The device comprises a desorption tower, a lean oil pump, a heat exchanger, a lean oil cooler, an absorption tower, a rich oil pump, a rich oil heater and a tail gas fan, the bottom of the desorption tower is connected with an inlet d of the heat exchanger through the lean oil pump, an outlet b of the heat exchanger is connected with the absorption tower through the lean oil cooler, and the bottom of the absorption tower is connected with an inlet c of the heat exchanger through the rich oil pump; and an outlet a of the heat exchanger is connected with the top of the desorption tower through the rich oil heater, the tail gas fan is mounted at the top of the absorption tower, and an automatic drainage tank is included and arranged on a pipeline communicated between the lean oil cooler and the absorption tower. The device aims to solve the problems of poor reliability of manual discharge and more human factors of manual discharge of waste water in paraffin oil of the existing tail gas system, realizes automatic discharge of paraffin oil before oil feeding of the absorption tower, and reduces solvent consumption and environmental pollution.

Description

technical field [0001] The invention relates to a device for automatically separating water from solvent tail gas mineral oil, belonging to the technical field of tail gas treatment. Background technique [0002] Vegetable oil production industry leaching oil production is a commonly used oil production process. Solvent consumption occupies a certain proportion in exhaust emissions. For every ton of material produced and processed in the leaching workshop, 2-2.5 kg of air will enter the system, which is called Free gas, currently the paraffin oil absorption and analysis method is widely used in the industry to recover the solvent in the tail gas, reduce production costs and reduce environmental pollution to ensure production safety. Water in paraffin oil will cause emulsification of paraffin oil, which will reduce the solvent absorption efficiency. [0003] At present, the paraffin oil absorption method adopts the negative pressure absorption process. During the analysis pr...

Claims

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Application Information

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IPC IPC(8): B01D53/18B01D53/14B01D17/025B01D17/038
CPCB01D53/18B01D53/1425B01D53/1493B01D53/1487B01D17/0217B01D17/0208B01D2252/205
Inventor 王彬史永革刘作威王丹
Owner JIUSAN OILS & GRAINS IND GRP CO LTD
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