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Reverse cleaning system of fuel gas nozzle and cleaning method of fuel gas nozzle

A gas nozzle and reverse cleaning technology, which is applied in the direction of combustion method, combustion chamber, combustion equipment, etc., can solve the problem of small nozzle flow rate, and achieve the effect of low cost and simple system structure

Pending Publication Date: 2019-01-29
中国船舶重工集团公司第七0三研究所
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Problems solved by technology

[0003] The purpose of the present invention is to solve the above-mentioned problems in the prior art, and further provide a gas nozzle reverse cleaning system and a gas nozzle reverse cleaning method, which can well solve the flow deviation of the industrial gas turbine combustion chamber nozzle after regular operation. Small problems, the system structure is simple, low cost, and can effectively clean the inner surface of the multi-hole structure of the gas nozzle and the internal flow channel of the gas nozzle

Method used

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  • Reverse cleaning system of fuel gas nozzle and cleaning method of fuel gas nozzle

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Embodiment Construction

[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation is provided, but the protection scope of the present invention is not limited to the following embodiments.

[0014] Such as figure 1 As shown, a gas nozzle reverse cleaning system involved in this embodiment includes a cleaning component 1, a liquid storage component 2, a circulation component 3, a filter component 4, a pipeline component 5, and an overpressure protection component 6. The liquid outlet on the lower side of the normal pressure container in the liquid storage assembly 2 is connected to the liquid inlet of the circulation pump in the circulation assembly 3 through a pipeline, and the liquid outlet of the circulation pump is connected to the normal through the shut-off valve A through the pipeline. The liquid inlet o...

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Abstract

The invention relates to a reverse cleaning system of a fuel gas nozzle and a reverse cleaning method of the fuel gas nozzle, and aims to mainly solve the problems, such as small flow caused by the phenomena such as channel scales, oxidation or blockage of the outlet multiple-small-hole structure of the fuel gas nozzle when the fuel gas nozzle has been used for a long time. A liquid outlet locatedat the side edge of the lower portion of a normal pressure container in a liquid storage assembly is connected to a liquid inlet of a circulating pump in a circulation assembly through a pipeline, one path of a liquid outlet of the circulating pump is connected to a liquid inlet located in the upper portion of the normal pressure container through a pipeline via a stop valve A, the other path ofthe liquid outlet of the circulating pump is connected with a liquid inlet located in the upper portion of a sealable pressure-bearing container in a cleaning assembly through a filter assembly, the fuel gas nozzle is arranged in the pressure-bearing container, a natural gas outlet on a natural gas nozzle penetrates through the pressure-bearing container through a pipeline to be connected to the liquid inlet located in the upper portion of the normal pressure container through a stop valve B. The system and the method is mainly applied to overhauling and adjusting of industrial fuel gas turbine combustion chamber nozzles, and can also be applied to overhauling and adjusting of parts with similar structures in other industries.

Description

technical field [0001] The invention relates to a gas nozzle reverse cleaning system and a gas nozzle reverse cleaning method, which belong to the field of thermal energy and power engineering and the field of cleaning devices. Background technique [0002] Regular repair and maintenance of industrial gas turbines, including condition inspection, performance testing, replacement, adjustment and maintenance of wearing parts such as compressors, combustion chambers, turbines and auxiliary systems at all levels, etc. The reverse cleaning system of gas nozzles is an industrial gas turbine combustion chamber One of the important tools for nozzle inspection and adjustment. The long-term use of gas nozzles has problems such as small flow rate caused by fouling, oxidation or blockage of the outlet multi-hole structure channel, which seriously affects the reliability of the combustion chamber operation and brings safety hazards to the operation of the gas turbine. At present, ultras...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23R3/38
CPCF23R3/38
Inventor 师蓓蓓曹天泽刘超逸李名家傅琳
Owner 中国船舶重工集团公司第七0三研究所
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