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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
  • Application Information

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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 based on pulse injection, aiming at the defects of unstable flame, inability to adjust the flame size and low combustion efficiency of the existing gas burner

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  • Pulse type micro-jet gas nozzle control device

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Embodiment Construction

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

[0029] Figure 1 to Figure 10 The reference numerals in the figure are: gas nozzle 1; motor 2; rotating disc 3; fixed disc 4; fixed radial through hole 5; rotating radial through hole 6; gas injection through hole 7; 9; outer surface 10; threaded hole 11; boss 12; conical surface 13; top 14; conical surface 15; groove 16; outer surface 17; inner surface 18; inner surface 19; installation groove 20; installation hole 21; Medial side 22.

[0030] The present invention provides a pulse type micro-jet flow gas nozzle control device, which uses a method based on pulse injection to improve the mixing effect of gas and supporting gas, and adjusts the incident frequency, mass flow rate and the number of radial through holes of the supporting gas. Control the size of the flame to achieve full combustion of the gas to achieve the highest combustion eff...

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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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