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Temperature-adjustable off-peak electricity heat storage crude oil heating device

A heating device and heat storage technology, applied in heat storage heaters, fluid heaters, lighting and heating equipment, etc., can solve problems such as rising crude oil production costs, achieve strong applicability and applicability, constant heat release temperature, The effect of reducing production costs

Pending Publication Date: 2017-09-19
山东上特智控科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Under the pressure of environmental protection, small coal-fired oil-fired boilers are gradually banned nationwide, and oil wells without natural gas can only be replaced with electric boilers, resulting in higher crude oil production costs

Method used

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  • Temperature-adjustable off-peak electricity heat storage crude oil heating device
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  • Temperature-adjustable off-peak electricity heat storage crude oil heating device

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with the accompanying drawings.

[0027] The temperature-adjustable valley electric heat storage crude oil heating device includes a heat storage body 1, an electric boiler 2, a PLC controller 3, and a sucker rod 4. The heat storage body 1 is a phase change heat storage body, and the heat storage body 1 The outside is a box body 106, and the inside of the box body 106 is an insulation layer 101. The heat storage body 1 is equipped with a heat exchange coil 102, and the lower part of the heat exchange coil 102 passes through the box body 106, and the insulation layer 101 is provided with a heat exchange coil inlet. 104, the upper part of the heat exchange coil 102 passes through the box body 106, the insulation layer 101 is provided with a heat exchange coil outlet 105, and the heat storage material 103 is filled between the insulation layer 101 and the heat exchange coil 102;

[0028] The electric boil...

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Abstract

The invention provides a temperature-adjustable off-peak electricity heat storage crude oil heating device. The temperature-adjustable off-peak electricity heat storage crude oil heating device comprises a heat storage body, an electric boiler, a PLC and a sucker rod. The heat storage body is connected with the electric boiler through a pipeline. The electric boiler is connected with the sucker rod through a pipeline. The PLC is electrically connected with an electric three-way valve, a crude oil heating circulating pump, a water supply thermometer, an electric heating pipe, a boiler thermometer, a heat storage pump and a heat storage module recovery thermometer. The temperature-adjustable off-peak electricity heat storage crude oil heating device has the beneficial effects that the off-peak electricity is used for 8 hours, the 16-hour required production heat beyond the off-peak electricity is stored, and the production cost can be lowered greatly; a water mixing adjustment technology is adopted, different heating temperatures can be set for the fluidity of crude oil of different blocks, and the high applicability and serviceability are achieved; and the heat storage density of the phase change heat storage is high, the heat storage / release temperature is constant, and the temperature-adjustable off-peak electricity heat storage crude oil heating device is conveniently applied to the condition with the high temperature control requirement.

Description

technical field [0001] The invention relates to the field of crude oil heating devices, in particular to a temperature-adjustable valley electricity heat storage crude oil heating device. Background technique [0002] Many oilfield blocks in my country (such as Shengli, Liaohe, Xinjiang, etc.) produce heavy oil, which has a high freezing point. The fluidity of the pumping unit gradually deteriorates, resulting in an increase in the output of the pumping unit, and even the situation of pumping failure. Therefore, the wellhead in the heavy oil block is equipped with a sucker rod heating system to heat the crude oil in the oil pipe to improve its fluidity. Many oil wells use "single well water circulation heating system"; the principle is: small coal (or oil ) The hot water heated by the boiler (usually between 70°C and 90°C) is sent to the wellhead to heat the sucker rod. The general heating length is 400-600 meters downhole, and the return water temperature is usually 50°C-70...

Claims

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Application Information

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IPC IPC(8): F24H7/02F24H9/20
CPCF24H7/0233F24H9/2014
Inventor 张瑞科
Owner 山东上特智控科技有限公司
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