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Novel liquid burner nozzle

A burner and liquid technology, applied in the direction of burners, lighting and heating equipment, etc., can solve the problems of high requirements for equipment and external conditions, high preheating temperature, high atomization pressure, etc., and achieve simple structure, simple operation, and easy The effect of clogging

Active Publication Date: 2014-08-06
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Mechanical pressure atomization has disadvantages such as high preheating temperature, high atomization pressure, and easy nozzle blockage, while pneumatic atomization has disadvantages such as high atomization pressure and high requirements for equipment and external conditions.

Method used

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  • Novel liquid burner nozzle
  • Novel liquid burner nozzle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] This invention is used for the atomized oxygen-enriched combustion of heavy oil, and oxygen is selected as the supporting gas. The specific operation method is as follows.

[0017] like figure 1 and 2 As shown, a new type of liquid burner nozzle, including a cavity 5, also includes an air intake system 2 communicated with the cavity 5, the air intake system 2 is connected with assisted gas oxygen, and a pressure valve 8 is added before the connection And the pressure gauge 9, adjust the pressure valve so that the intake pressure of oxygen is about 0.5Mpa; the front end port of the cavity 5 is provided with a front nozzle 4, the cavity 5 is provided with a core tube 7, and the cavity 5 rear end is provided with a Spring 6, one end of the core tube 7 is connected to the front nozzle 4, and the other end is connected to the spring 6; a feeding system 3 is also connected to the cavity 5 near the front end port, and the cavity 5 is opposite to the intake system 2 A control...

Embodiment 2

[0020] This invention is used for atomized oxygen-enriched combustion of tar, and oxygen is selected as the combustion-supporting gas, and its specific operation method is as follows.

[0021] Connect gas-supporting oxygen into the intake system, add a pressure valve 8 and a pressure gauge 9 before connecting, adjust the pressure valve 8 so that the intake pressure of oxygen is about 0.8Mpa; then, adjust the first adjustment in the control system up and down Valve A and the third regulating valve C drive the opening degree of the third regulating valve C to control the amount of gas-supporting oxygen entering the cavity 5; then, the oxygen flows in the cavity 5 at a high speed to suck the heavy oil in the feeding system The cavity is fully mixed with it and atomized; then, the first regulating valve A is adjusted to move back and forth, and the second regulating valve B drives the spring 6 at the rear end of the extrusion cavity 5, and drives the core tube 7 connected to it to ...

Embodiment 3

[0023] This invention is used for the oxygen-enriched combustion of natural gas, and oxygen is selected as the supporting gas, and its specific operation method is as follows.

[0024] Connect the gas-supporting oxygen in the intake system 2, add a pressure valve 8 and a pressure gauge 9 before the connection, adjust the pressure valve so that the intake pressure of oxygen is about 0.01Mpa; then, adjust the first in the control system 1 up and down Adjust the valve A to drive the opening degree of the first regulating valve C to control the amount of gas-supporting oxygen entering the cavity; then, the oxygen flows in the cavity at a high speed, sucking the heavy oil in the feeding system into the cavity and fully mixing with it. Atomization; then, the first regulating valve A moves back and forth, drives the spring 6 at the rear end of the extrusion chamber 5 through the second regulating valve B, and drives the core tube 7 connected to it, and controls the opening width of th...

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Abstract

The invention discloses a novel liquid burner nozzle which comprises a cavity, an air intake system communicated with the cavity, and a pressure valve and a pressure gauge which are connected with the air intake system, wherein a front end spout is arranged at the front end opening of the cavity, a core tube is arranged in the cavity, a spring is arranged in the rear end of the cavity, one end of the core tube is connected with the front end spout, and the other end of the core tube is connected with the spring; a feed system is also connected to the part close to the front end opening of the cavity, and a control system is arranged in the position, opposite to the air intake system, in the cavity and comprises a first regulating valve which is arranged outside the cavity, and a second regulating valve and a third regulating valve which are arranged in the cavity; and the bottom end of the first regulating valve is connected with the third regulating valve, the third regulating valve is arranged at the air intake system, and the second regulating valve is connected with the spring in a propping manner. The novel liquid burner nozzle has a simple structure and a wide application scope, is not easy to be blocked, is simple to operate, and can resist high pressure and high temperature.

Description

technical field [0001] The invention belongs to the technical field of fuel combustion, and in particular relates to a burner nozzle generally applicable to gas fuel and liquid fuel with a certain viscosity. Background technique [0002] The increasing multiple of the liquid combustion time is in a square relationship with the increasing multiple of the diameter of the fuel particles, and the combustion time of the gas fuel is also proportional to the mixing degree of the supporting gas. In order to make the fuel burn completely, the fuel particles should be fully atomized first And it is fully mixed with the combustion-supporting gas, and the smaller the atomized particles are, the more uniform the mixing with the combustion-supporting gas is, and the combustion of the fuel is more complete. At present, for liquid fuels with high viscosity such as heavy oil, oil-water emulsion, etc., the atomization method generally adopts mechanical pressure atomization or pneumatic atomiz...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23D11/38
Inventor 袁浩然邓丽芳黄宏宇小林敬幸郭华芳陈勇林志贤
Owner GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI