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Crude oil dehydration apparatus

A crude oil dehydration and crude oil technology, applied in the direction of hydrocarbon oil dehydration, etc., can solve the problem of easy loss of light components

Active Publication Date: 2017-03-08
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a crude oil dehydrator to solve the problem in the prior art that light components are easily lost during the dehydration of crude oil with a viscosity greater than 5000mpa·s

Method used

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  • Crude oil dehydration apparatus
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Embodiment Construction

[0023] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0024] For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or configurations. under other devices ...

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Abstract

The invention provides a crude oil dehydration apparatus, comprising: a distillation kettle comprising a kettle body with an inner cavity, and a seal cover positioned at the top of the kettle body, with the bottom of the kettle body provided with a distillation kettle discharge port; a heater arranged in the kettle body and used to heat crude oil in the inner cavity of the kettle body; a cooler arranged on the side of the seal cover facing the kettle body; and an oil-water separator arranged in the kettle body below the cooler. The oil-water separator is provided with a condensate inlet and a separator outlet, the condensate inlet is used for receiving condensate formed by cooling of the cooler, and the separator outlet is close to the bottom of the inner cavity. The crude oil dehydration apparatus has the advantages of high dehydration speed and high dehydration rate.

Description

technical field [0001] The invention relates to the field of crude oil dehydration, in particular to a crude oil dehydration instrument. Background technique [0002] Existing techniques for removing moisture from crude oil include electric dehydration, distillation, chemical demulsification, centrifugation, ultrasonic and microwave radiation. [0003] The original dehydration method using the ordinary distillation process is mainly suitable for the dehydration of thin oil, but there are also problems such as the loss of light components in the crude oil and the change of the properties of the oil during the dehydration process. It is difficult to control the water content in the treated crude oil below 0.5wt% by centrifugal process for crude oil dehydration. Generally, this type of instrument is suitable for oilfield sites with low water content requirements, but not for laboratory dehydration. Chemical demulsification is generally used in oilfield sites, and it is not sui...

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Application Information

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IPC IPC(8): C10G7/04
Inventor 王辉邹民王世涛
Owner PETROCHINA CO LTD
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