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Wax oil filtration and separation control device and working method

A technology for filtration separation and wax oil, applied in the direction of filtration separation, separation method, purification by filtration, etc., can solve the problems of low device control flexibility, inability to realize wax oil pressure, temperature monitoring and filter element blockage, etc., to achieve The effect of saving manual operation cost, stable operation and flexible operation

Inactive Publication Date: 2014-07-09
DALIAN KANGSAIPU TECH DEV
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

At present, the wax oil purification operation mainly adopts the manual control mode, which cannot realize the pressure and temperature monitoring of the wax oil and judge the clogging degree of the filter element, and the control flexibility of the device is not high.

Method used

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  • Wax oil filtration and separation control device and working method
  • Wax oil filtration and separation control device and working method

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Embodiment Construction

[0016] Such as figure 1 As shown, the specific embodiment of the present invention mainly includes the following steps: the filter transmits a temperature signal through a temperature transmitter, the temperature is raised to 80-90°C via a heating device, the filter inlet valve and the clear liquid outlet valve are opened, and wait The processed wax oil enters the filter, the impurities are separated and intercepted by the filter element, and the clean wax oil is discharged into the next-level processing unit through the filter outlet. When the pressure transmitter feedbacks the inlet and outlet pressure difference to the set value (0.3 MPa) or reaches Set the upper limit of the filtering time (12 h), the filtering is terminated, and compressed nitrogen is introduced. When the feedback gas pressure of the pressure transmitter reaches the set value (0.1MPa) or reaches the set intake time (5min), the intake is stopped at this time , Open the slag discharge valve, and the filter ca...

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Abstract

The invention discloses a wax oil filtration and separation control device and working method. The device comprises a liquid inlet valve, a filter, a liquid outlet valve, a gas inlet valve, a deslagging valve, a pressure transmitter, a differential pressure transmitter and a temperature transmitter. The method comprises preparing, filtering, pressure building-up and deslagging. On a principle of not changing the wax oil composition and aiming at defects and weaknesses existing in a conventional wax oil filtration and separation control device, improvement and reinforcement are carried out; through optimization of a control method of the conventional device, the whole device adopts a full-automatic control method, thereby greatly reducing the manual operation cost; and the device can feedback pressures, differential pressures, temperatures and time parameters at any time, monitors equipment operation conditions at any time, thereby having more flexible operation and more stable running.

Description

Technical field [0001] The invention relates to a control device and a working method for filtering and separating wax oil, a fractionation product, in a shale oil processing process. Background technique [0002] Shale oil is a kind of artificial oil. Shale oil can not only extract fuel oil, but also can be widely used in industries, agriculture, medicine, dyeing and weaving, construction and other fields. Shale oil can be distilled under vacuum to obtain wax oil. Because wax oil contains asphaltenes and gums, it needs to be purified and separated by filters. At present, the wax oil purification operation mainly adopts manual control mode, which cannot realize wax oil pressure and temperature monitoring and judge the clogging degree of the filter element, and the control flexibility of the device is not high. Summary of the invention [0003] The purpose of the present invention is to provide a wax oil filtration separation control device and working method with high degree of a...

Claims

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Application Information

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IPC IPC(8): C10G31/09B01D37/04B01D35/14
Inventor 方秀兵
Owner DALIAN KANGSAIPU TECH DEV
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