Pulse type micro-jet gas nozzle control device

A technology of gas nozzles and control devices, which is applied to burners, combustion types, combustion methods, etc., can solve the problems of low combustion efficiency, inability to adjust the flame size, and flame instability, and achieve the effect of high combustion efficiency

Inactive Publication Date: 2015-05-13
HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to invent a controllable and efficient pulse-type micro-jet gas nozzle control device b

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  • Pulse type micro-jet gas nozzle control device
  • Pulse type micro-jet gas nozzle control device
  • Pulse type micro-jet gas nozzle control device

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[0028] The present invention will be further described below in conjunction with the description of the drawings and the specific embodiments.

[0029] Figure 1 to Figure 10 The attached icons are: gas nozzle 1; motor 2; rotating disc 3; fixed disc 4; fixed radial through hole 5; rotating radial through hole 6; gas incident through hole 7; central mixing chamber 8; motor cover 9; outer side 10; threaded hole 11; boss 12; tapered surface 13; top 14; tapered surface 15; groove 16; outer side 17; inner side 18; inner side 19; mounting groove 20; mounting hole 21; Inside 22.

[0030] The invention provides a pulsed micro-jet gas nozzle control device, which adopts a method based on pulse incidence to improve the mixing effect of fuel gas and combustion-supporting gas, and adjusts the incident frequency, mass flow of combustion-supporting gas and the number of activated radial through holes. Control the size of the flame to achieve full combustion of gas and achieve the highest combus...

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Abstract

The invention provides a pulse type micro-jet gas nozzle control device. The pulse type micro-jet gas nozzle control device comprises a gas nozzle and a combustion-supporting gas pulse jetting mechanism. A gas jetting through hole is formed in the gas nozzle, and the combustion-supporting gas pulse jetting mechanism is provided with a combustion-supporting gas jetting hole and a central mixing chamber. The gas jetting through hole and the combustion-supporting gas jetting hole are communicated with the central mixing chamber, the axis of the gas jetting through hole does not coincide with the axis of the combustion-supporting gas jetting hole, and the combustion-supporting gas pulse jetting mechanism comprises an opening and closing control device for controlling opening and closing of the combustion-supporting gas jetting hole. The pulse type micro-jet gas nozzle control device has the advantages that the jetting directions of gas and combustion-supporting gas do not coincide, in this way, the gas and the combustion-supporting gas are easily and rapidly mixed in the central mixing chamber, the flow of the gas can be controlled through the gas jetting through hole, the flow of the combustion-supporting gas is controlled through the combustion-supporting gas jetting hole, pulse jetting of the combustion-supporting gas is achieved through the opening and closing control device so that the intensity and stability of flames can be controlled, and the maximum combustion efficiency of the gas is achieved.

Description

technical field [0001] The invention relates to a gas high-efficiency combustion device, in particular to a pulse type micro-jet flow gas nozzle control device in the gas high-efficiency combustion device. Background technique [0002] my country is a big consumer of natural gas, especially in the past ten years, the consumption of natural gas has grown at an average annual rate of more than 10%, reaching 161.6 billion cubic meters in 2013, and my country has become the largest importer of natural gas in the world. At the same time, the International Energy Agency pointed out in its 2014 mid-term natural gas market forecast report that China's natural gas demand will nearly triple in the next five years. Various data show that my country is accelerating the pace of energy industry structural adjustment, increasing the proportion of natural gas in the primary energy consumption structure, and is gradually moving towards a gas-based energy structure. Therefore, the development...

Claims

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Application Information

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IPC IPC(8): F23D14/02F23D14/46
CPCF23D14/02F23D14/46F23D2203/00
Inventor 周裕詹捷张培杨贺曹华丽
Owner HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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