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Desulfurization and purification device for secondary gas in fireflooding oil extraction

A purification device and fire drive technology, applied in gas fuel, gas treatment, petroleum industry, etc., can solve the problems of air pollution, environmental pollution, employee bodily injury, etc., and achieve the effect of improving reuse

Active Publication Date: 2021-06-25
武汉思越化学技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The concentrated discharge of gas will cause surrounding environmental pollution and energy waste, and cause certain harm to the health of employees. There are serious safety hazards, and it is necessary to control the fire and secondary gas.
[0003] The current secondary gas contains a large amount of sulfur, which brings great pollution to the air when it is discharged. The sulfur element in the secondary gas cannot be completely removed when the discharged secondary gas is processed.

Method used

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  • Desulfurization and purification device for secondary gas in fireflooding oil extraction
  • Desulfurization and purification device for secondary gas in fireflooding oil extraction
  • Desulfurization and purification device for secondary gas in fireflooding oil extraction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as figure 1 Shown is a secondary gas desulfurization and purification device in fire flooding oil production, including a tower body 1, the tower body is made of corrosion-resistant materials, and has good sealing performance, and is arranged in the tower body 1 from bottom to top. 1. From bottom to top, it is divided into the first partition body 2, the second partition body 18, the third partition body 4, and the fourth partition body 5 of the bath chamber, buffer chamber, oxidation chamber, accumulation chamber, spray chamber and drying chamber. and the fifth spacer 6; the bottom of the tower body 1 is provided with a secondary air inlet 11 communicated with the bath chamber, and the top of the tower body 1 is provided with an air outlet 13 communicated with the drying chamber; the bath chamber is The secondary gas passed through is used for bathing, and the gas easily soluble in water in the secondary gas is absorbed, and the buffer chamber buffers the absorbed...

Embodiment 2

[0040] On the basis of Example 1, such as figure 2 The oxidation component 3 includes a plurality of concentrically arranged oxidation cylinders 301, and the oxidation filler 302 is filled between the plurality of concentrically arranged oxidation cylinders 301, and the cavities formed between the plurality of oxidation cylinders 301 pass through The thermal communication component 303 provided on the oxidation cylinder 301 is in communication, the bottom of the innermost oxidation cylinder 301 among the plurality of oxidation cylinders 301 is in communication with the buffer assembly 17, and the plurality of oxidation cylinders 301 form a plurality of annular cavities through which the A plurality of ventilation holes 19 provided on the third spacer 4 communicate with the gathering chamber; when the secondary gas entering the innermost oxidation cylinder 301 undergoes an oxidation reaction with the oxidation filler 302, when the heat generated is too large, The thermal commu...

Embodiment 3

[0047] On the basis of Example 1, in order to ensure that the fourth spacer 5 collects the gas after the oxidation reaction, and at the same time ensure that the spray liquid can be prevented from falling into the accumulation chamber when spraying, specifically as Figure 4 The fourth partition 5 includes a partition body 501. The end face of the partition body 501 located in the gathering chamber is an arc groove surface 502, and the end face located in the spray chamber is a convex surface 503 extending downward at both ends. The middle part of the partition body 501 is provided with a gas passage 504 connecting the gathering chamber and the spray chamber; the spray chamber is provided with a shielding top cover 505, and the shielding top cover 505 is fixedly connected to the top of the partition body 501 through a bracket 506, And the shielding top cover 505 is located directly above the gas channel 504 .

[0048] The shielding edges extending downward at both ends of the ...

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Abstract

The invention relates to a desulfurization and purification device for secondary gas in fireflooding oil extraction. The desulfurization and purification device comprises a tower body, a first partition body, a second partition body, a third partition body, a fourth partition body and a fifth partition body, wherein the first partition body, the second partition body, the third partition body, the fourth partition body and the fifth partition body are arranged in the tower body from bottom to top and divide the tower body into a bathing cavity, a buffering cavity, an oxidizing cavity, a gathering cavity, a spraying cavity and a drying cavity from bottom to top; When the secondary gas is treated, the secondary gas entering the tower body passes through the water bath to remove water-soluble sulfur elements, is buffered and then enters the oxidation cavity to be subjected to oxidation treatment, and the reacted gas is further absorbed by sprayed liquid after being oxidized and then is discharged after being dried. The sulfur element in secondary gas can be effectively and sufficiently absorbed and removed, bathing and spraying liquid is recycled, the sulfur element can be sufficiently absorbed, other generated elements can neutralize the bathing sulfur element during oxidation, the sulfur element can be completely removed, and the reutilization of the bathing wastewater is improved.

Description

technical field [0001] The invention relates to the technical field of fire drive oil recovery devices, in particular to a desulfurization and purification device for secondary gas in fire drive oil recovery. Background technique [0002] At present, with the continuous expansion of the scale of fire flooding oil recovery technology, the output of fire flooding secondary gas continues to increase, and the proportion of combustible gas contained in the produced fire flooding secondary gas is relatively low, ranging from 3% to 15% (v). It is directly burned as a fuel, and it is disposed of in a concentrated discharge manner. The concentrated discharge of gas will cause surrounding environmental pollution and energy waste, and cause certain harm to the health of employees. There are serious safety hazards, and it is necessary to control the fire and secondary gas. [0003] The current secondary gas contains a large amount of sulfur element, which brings great pollution to the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L3/10B01D53/18B01D53/48B01D53/82B01D53/26C10L3/00
CPCB01D53/1406B01D53/1456B01D53/18B01D53/185B01D53/26B01D53/48B01D53/82B01D2252/103B01D2257/30C10L3/103
Inventor 王芳于海峰常美佳冯勇付增华
Owner 武汉思越化学技术有限公司
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