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Umbrella-shaped liquid atomizer and application thereof

A liquid atomization and umbrella-shaped technology, which is applied in the direction of production fluid, injection device, wellbore/well components, etc., can solve the problem that the fracturing flowback fluid cannot be burned, so as to save combustion processing time, reduce pollution and personnel safety damage, significant effect

Inactive Publication Date: 2017-01-25
CHINA NAT PETROLEUM CORP CHUANQING DRILLING ENG CO LTD CHANGQING DOWNHOLE TECH CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the fracturing flowback fluid in the current sewage tank cannot be burned, improve the circulating combustion efficiency of the fracturing flowback fluid, reduce environmental pollution and damage to personnel safety, thereby saving combustion treatment time and waiting costs

Method used

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  • Umbrella-shaped liquid atomizer and application thereof
  • Umbrella-shaped liquid atomizer and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] This embodiment provides a figure 1 , 2 The umbrella-shaped liquid atomizer shown includes an inlet straight pipe body 1 and a plurality of outlet elbow bodies 2. One end of the inlet straight pipe body 1 is open and the other end is sealed. The plurality of outlet elbow bodies 2 are The sealing end of the inlet straight pipe body 1 is uniformly arranged circumferentially and forms an umbrella shape. One end of each outlet elbow body 2 communicates with the inlet straight pipe body 1 , and the other end is connected with an atomizing nozzle 3 .

[0019] The liquid enters from the inlet straight pipe body 1, and is sprayed and atomized by the atomizing nozzle 3 through the outlet elbow body 2. Since the liquid is divided into multiple paths from the inlet straight pipe body 1, and the atomizing nozzle 3 has a small aperture, it forms a semicircle Atomized and sprayed.

Embodiment 2

[0021] On the basis of Embodiment 1, this embodiment provides an umbrella-shaped liquid atomizer, and the diameter of the atomizing nozzle 3 is 0.3mm~1.8mm. There are 12 outlet elbow bodies 2 .

[0022] The inlet straight pipe body 1 and the outlet elbow body 2 are welded, and the outlet elbow body 2 and the atomizing nozzle 3 are threaded. In order to facilitate disassembly, cleaning, replacement and maintenance.

[0023] Both the inlet straight pipe body 1 and the outlet elbow body 2 are 304 stainless steel pipes. Temperature resistance 800 ℃, corrosion resistance, good processing performance, high toughness.

[0024] The atomizing nozzle 3 is made of tungsten carbide YG8 material. Cemented carbide tungsten carbide YG8 material, heat treatment hardness up to HRC92~95, has high erosion resistance.

Embodiment 3

[0026] On the basis of the foregoing embodiments, this embodiment provides the use of an umbrella-shaped liquid atomizer. The umbrella-shaped liquid atomizer is used in the combustion treatment process of fracturing flowback fluid to treat fracturing flowback fluid. Nebulize.

[0027] The fracturing flowback fluid is the fracturing flowback fluid in the sewage tank. After the fracturing flowback fluid enters the umbrella-shaped liquid atomizer through the pipeline and the pump, it is directly sprayed onto the gas combustion flame of the acid discharge cylinder through the atomizing nozzle 3 combustion.

[0028] Umbrella-shaped liquid atomizer is used to improve the combustion efficiency of fracturing flowback fluid, so that the fracturing flowback fluid in the sewage tank passes through the liquid atomizer to form a mist spray, thereby increasing the flow rate of fracturing flowback liquid in the acid discharge cylinder Combustion at all places covers the contact area, and bu...

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Abstract

The invention provides an umbrella-shaped liquid atomizer. The umbrella-shaped liquid atomizer comprises an inlet straight pipe body and a plurality of outlet elbow pipe bodies, wherein one end of the inlet straight pipe body is opened and the other end of the inlet straight pipe body is sealed; the plurality of outlet elbow pipe bodies are uniformly arranged along the peripheral direction of the sealed end of the inlet straight pipe body to form an umbrella shape; one end of each outlet elbow pipe body is communicated with the inlet straight pipe body; and the other end of each outlet elbow pipe body is connected with an atomization nozzle. According to the umbrella-shaped liquid atomizer provided by the invention, fracturing flowback liquid in a blowoff tank forms a semicircular atomized spraying shape through the liquid atomizer, and atomization combustion is carried out at a gas combustion part of an acid discharging barrel; and the combustion efficiency is high and the combustion is clean and complete. The umbrella-shaped liquid atomizer is simple in structure and convenient to use; a problem that the fracturing flowback liquid in the current blowoff tank cannot be combusted is solved, and the circulating combustion efficiency of the fracturing flowback liquid is improved; and the pollution to the environment and injuries to personal safety are reduced, so that the combustion treatment time and the waiting cost are saved, and the umbrella-shaped liquid atomizer has high practicability and remarkable effect.

Description

technical field [0001] The invention belongs to the technical field of spraying and discharging fluid treatment after fracturing, and in particular relates to an umbrella-shaped liquid atomizer and its application. Background technique [0002] At present, after perforating and fracturing operations in low-permeability gas reservoirs in Changqing Oilfield, it is necessary to perform blowout and liquid discharge operations before testing for production. In the early stage of spraying and discharging fluid, almost all the fracturing fluid returned from the tubing was filtered by the settling tank and then directly entered the sewage tank. Since most of the fracturing fluid had oily spots, the liquid in the sewage tank Floating oil stains on the surface are likely to cause surface pollution or environmental pollution, and pose a serious threat to the safety of construction personnel. The current treatment measures are to ignite the gas at the acid discharge cylinder after the g...

Claims

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Application Information

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IPC IPC(8): B05B1/14B05B13/02E21B43/26
CPCB05B1/14B05B13/02E21B43/26
Inventor 仝少凯王祖文白明伟杨小平岳艳芳樊炜温亚魁任荣利张冕徐迎新齐加德
Owner CHINA NAT PETROLEUM CORP CHUANQING DRILLING ENG CO LTD CHANGQING DOWNHOLE TECH CO
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