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Heat pump type crude oil dehydration and heating system and method

A crude oil dehydration and heating system technology, applied in the field of heat pumps, can solve the problems of crude oil energy loss, low utilization rate of waste heat in oily sewage, equipment corrosion, etc., and achieve the effect of improving economic benefits and alleviating the contradiction between energy and demand

Inactive Publication Date: 2017-04-26
XI AN JIAOTONG UNIV
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Problems solved by technology

[0006] The purpose of the present invention is to provide a heat pump type crude oil dehydration heating system and method, to solve the crude oil energy loss caused by the use of heating furnaces in the existing crude oil dehydration heating process, the low utilization rate of waste heat in oily sewage and the replacement of crude oil and sewage Corrosion of equipment during thermal processes

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  • Heat pump type crude oil dehydration and heating system and method
  • Heat pump type crude oil dehydration and heating system and method
  • Heat pump type crude oil dehydration and heating system and method

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Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0030] see figure 1 , a heat pump type crude oil dehydration heating system according to the present invention, comprising a twin-screw oil-gas mixed transport pump 1, a gas-liquid separator 2, an oil-water separator 5, a sewage processor 7, a compressor 8, a condenser 9, an evaporator 10 and a replacement Heater; the heat exchanger includes three parts: sewage and oil-water heat exchanger 3, oil-water and demineralized water heat exchanger 4, sewage and demineralized water heat exchanger 6;

[0031] A heat pump type crude oil dehydration heating system of the present invention comprises three parts: a heat pump system, a sewage heat exchange system and an oil-water heat exchange system; figure 1As shown, in the transportation process of the oil field, the twin-screw oil-gas mixed transportation pump 1 is used to transport the oil and gas from the long-dista...

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Abstract

The invention discloses a heat pump type crude oil dehydration and heating system and a method. The system comprises three parts of a heat pump system, a sewage heat exchange system and an oil-water heat exchange system. Oil-contained sewage generated in the crude oil dehydration and heating process serves as a low-grade heat source, and is converted through a heat pump to realize the crude oil heating purpose; afterheat resources are gradiently used for secondary heating of an oil-water mixture to dehydrate and heat the oil-water mixture; a heat pump technology is applied to the sewage afterheat recycling for secondary heat exchange of the sewage to increase the energy utilization rate; a gas engine directly uses natural gas separated out from oil-gas water to improve the economic benefit; and softening water is used as a heat exchange intermediate medium for preventing the equipment pollution and corrosion to improve the system economy.

Description

technical field [0001] The invention belongs to the technical field of heat pumps, in particular to a heat pump type crude oil dehydration heating method. Background technique [0002] Heat pump technology is a technology that flows heat from a low-level heat source to a high-level heat source under the drag of high-level energy. It can convert low-grade heat energy that cannot be directly used (such as heat energy stored in air, soil, water, solar energy, industrial waste heat, etc.) power, etc.). [0003] In the early 1970s, people gradually realized that the reserves of fossil fuels were limited. Therefore, with the rapid development of industry and agriculture and the increasing demand for energy, how to use energy efficiently and save energy has become the focus of research. Oilfields produce a large amount of oily sewage in the production process, and the temperature of these oily sewage is often high. For example, the temperature of oily sewage in Zhongyuan Oilfiel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B30/06F25B43/00F25B41/06F24H4/02F25B41/31
CPCF24H4/02F25B30/06F25B43/00F25B41/31
Inventor 曹锋王驿凯束鹏程
Owner XI AN JIAOTONG UNIV
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