CN-224216301-U - Gas flow test device for combustion chamber part of gas turbine

CN224216301UCN 224216301 UCN224216301 UCN 224216301UCN-224216301-U

Abstract

The utility model aims to provide a gas flow test device for a combustion chamber part of a gas turbine, and belongs to the field of gas turbines. The pneumatic testing device comprises an air electromagnetic valve, a main measuring air passage, a first testing air passage and a second testing air passage, wherein a V-shaped filter and an A-shaped filter are arranged in front of the air electromagnetic valve, the rear of the air electromagnetic valve is connected with the main measuring air passage, a pneumatic adjusting valve and a thermal resistor are sequentially arranged behind the main measuring air passage, the first testing air passage and the second testing air passage are connected in parallel and are connected with the thermal resistor through a reducing tee, a first flange connection stainless steel ball valve, a first reducing joint, an E+H mass flowmeter, a second reducing joint and a second flange connection stainless steel ball valve are sequentially arranged on the main measuring air passage, a first two-piece type internal thread stainless steel ball valve and a first pressure transmitter are arranged on the first testing air passage, and a second two-piece type internal thread stainless steel ball valve and a second pressure transmitter are arranged on the second testing air passage. The utility model gives a conclusion of whether the combustion chamber is qualified or not through the air flow of the combustion chamber part.

Inventors

LIU TIANYU
GAO CHONG
WANG DONGYAN
WANG YUE
QIN SHIPENG
WANG YANZHAO
ZHOU GANG
WANG JIXIN

Assignees

中船重工龙江广瀚燃气轮机有限公司

Dates

Publication Date: 20260508
Application Date: 20250429

Claims (2)

1. A gas flow test device for a combustion chamber part of a gas turbine is characterized by comprising an air electromagnetic valve, a main measurement gas circuit, a first test gas circuit and a second test gas circuit, wherein a front V-shaped filter and a precise oil removing A-shaped filter are arranged in front of the air electromagnetic valve, the rear of the air electromagnetic valve is connected with the main measurement gas circuit, a pneumatic adjusting valve and a thermal resistor are sequentially arranged behind the main measurement gas circuit, the first test gas circuit and the second test gas circuit are connected in parallel and are connected with the thermal resistor through a reducing tee joint, a first flange connection stainless steel ball valve, a first reducing joint, an E+H mass flowmeter, a second reducing joint and a second flange connection stainless steel ball valve are sequentially arranged on the main measurement gas circuit, a first two-block type internal thread stainless steel ball valve and a first pressure transmitter are arranged on the first test gas circuit, and a second two-block type internal thread stainless steel ball valve and a second pressure transmitter are arranged on the second test gas circuit.
2. The gas flow test device for the combustion chamber component of the gas turbine, as set forth in claim 1, further comprising a large flow measuring gas path, wherein the large flow measuring gas path is connected in parallel with the main measuring gas path, and the large flow measuring gas path is sequentially provided with a third flange-connected stainless steel ball valve, a third reducing joint, a large flow E+H mass flowmeter, a fourth reducing joint and a fourth flange-connected stainless steel ball valve.

Description

Gas flow test device for combustion chamber part of gas turbine Technical Field The utility model relates to a gas turbine test device, in particular to a combustion chamber test device. Background The fuel engine is operated to obtain the required fuel and oxygen through the air supply system, so that the combustion reaction is completed to generate energy. And the fuel and oxygen supply amounts are related to the gas flow rates. Therefore, gas flow control of a gas turbine is a very important link in the operation of the gas turbine. The magnitude of the gas flow has a direct effect on the operation of the combustion engine, and too low or too high a gas flow can affect the performance and safety of the combustion engine. If the gas flow is too low, the combustion is insufficient, the combustion efficiency is low, harmful gas may be generated, and unstable combustion is easily caused to form a flame flash back phenomenon. If the gas flow is too high, the combustion temperature is too high, harmful substances such as nitrogen oxides and the like are easy to generate, and meanwhile, the waste of fuel oil and the reduction of the service life of the combustion engine are also caused. Disclosure of Invention The utility model aims to provide a gas flow test device for a combustion chamber part of a gas turbine, which can reflect the air circulation capacity in the combustion chamber part of the gas turbine. The purpose of the utility model is realized in the following way: The utility model relates to a gas flow test device for a combustion chamber part of a gas turbine, which is characterized by comprising an air electromagnetic valve, a main measurement gas circuit, a first test gas circuit and a second test gas circuit, wherein a front V-shaped filter and a precise oil removing A-shaped filter are arranged in front of the air electromagnetic valve, the rear of the air electromagnetic valve is connected with the main measurement gas circuit, a pneumatic adjusting valve and a thermal resistor are sequentially arranged behind the main measurement gas circuit, the first test gas circuit and the second test gas circuit are connected in parallel and are connected with the thermal resistor through a reducing tee joint, a first flange connection stainless steel ball valve, a first reducing joint, an E+H mass flowmeter, a second reducing joint and a second flange connection stainless steel ball valve are sequentially arranged on the main measurement gas circuit, a first two-block internal thread stainless steel ball valve and a first pressure transmitter are arranged on the first test gas circuit, and a second two-block internal thread stainless steel ball valve and a second pressure transmitter are arranged on the second test gas circuit. The utility model may further include: 1. The high-flow measuring device further comprises a high-flow measuring gas circuit which is connected with the main measuring gas circuit in parallel, and a third flange connection stainless steel ball valve, a third reducing joint, a high-flow E+H mass flowmeter, a fourth reducing joint and a fourth flange connection stainless steel ball valve are sequentially arranged on the high-flow measuring gas circuit. The utility model has the advantages that the utility model receives the compressed air provided by an external air source, adjusts the compressed air through the regulating valve and outputs clean air with constant pressure. The mass flowmeter measures the air flow through the combustor components, giving a conclusion of eligibility or disqualification. Drawings Fig. 1 is a schematic structural view of the present utility model. Detailed Description The utility model is described in more detail below, by way of example, with reference to the accompanying drawings: In combination with fig. 1, the external air source passes through a front V-shaped filter 1 and a precise oil removing A-shaped filter 2, then water vapor and various impurities are removed, the air enters the equipment, the air is flowed in and blocked through an air electromagnetic valve 3, the air is pressurized for the first time through a flange connection stainless steel ball valve 4, a reducing joint 5 and an E+H mass flowmeter 6, the preset pressurizing effect is achieved, a reducing joint 7 and a flange connection stainless steel ball valve 8 achieve the steady flow effect of the air flow after the first pressurizing, the air source gas is shifted and stably flows, the first air flow is regulated and controlled through a Baod pneumatic regulating valve 9, the compressed air source gas is preheated through a part 10, the air source pressure is regulated through an armoured thermal resistor 11, the pressure rising effect is achieved through the reduction of the concurrent flow, the air source is subjected to a first split flow and a second split flow test through the armoured thermal resistor 11, the two-block type internal thread stainless steel ball valve 12 and