RU113360U1 - TEST BOILER TEST STAND - Google Patents

Abstract

A test bench for a tank boiler, including a pumping station, a control and distribution device, a storage tank for liquid, which are interconnected by pipelines and communication lines, and a control and measuring cover, characterized in that it additionally contains acoustic emission sensors and a measuring and diagnostic complex associated with the control and distribution device.

Description

The utility model relates to test equipment, namely, test benches for testing a boiler of a tank, and is intended for evaluating the fatigue strength of boilers of tank cars at multi-cycle loads.

A known set of equipment for testing a boiler of a tank, including a pumping station, a reservoir for liquids, which are interconnected by pipelines and communication lines and acoustic emission sensors (Komarov KL and other acoustic emission monitoring method of oil and gas tanks, "Defectoscopy ”, Ural Branch of the Russian Academy of Sciences, 2001, No. 3, p. 88-95).

The disadvantages of the known solutions are the high complexity of testing and significant time costs.

A known installation for testing the boiler of the tank, which consists of a special manhole cover with a manometer and pipelines, a hydraulic pump and a tank with liquid. Such an installation is used in standard static hydraulic tests of tank boilers, while the condition of the latter is carried out visually (Sokolov M.M. Diagnostics of wagons, M. "Transport", 1990, p. 161-163).

A disadvantage of the known solution is the low accuracy of the results.

The claimed utility model is aimed at improving the accuracy and reliability of test results.

The specified technical result is achieved by the fact that in the test bench of the boiler of the tank containing the pumping station, control and distribution device, a storage tank for liquids, which are interconnected by pipelines and communication lines and a control and measuring cover, it additionally contains acoustic emission sensors, measuring and diagnostic complex associated with the control and distribution device.

The essence of the proposed utility model is illustrated by the drawing, where figure 1 shows a diagram of a bench for testing the boiler of the tank.

In figure 1 are indicated:

1 - test boiler tank;

2 - safety inlet valve;

3 - acoustic emission sensors;

4 - test cover;

5 - manhole;

6 - drain device;

7 - communication lines;

8 - pipeline for supplying water;

9 - measuring and diagnostic complex;

10 - control and distribution device;

11 - pumping station;

12 - storage tank.

The stand contains a pumping station 11, a control and distribution device 10, a storage tank 12 for liquid, interconnected by pipelines 8 for supplying water, as well as a control and measuring cover 4, acoustic emission sensors 3, and a measuring and diagnostic complex 9 related to the control -distributing device 10 via communication lines 7. The pipeline for supplying water 8 is made with the possibility of connection with a drain device 6 of the tank.

The bench for testing the boiler tank for multi-cycle loads operates as follows.

The tank to be tested is installed on a special path located near the stand, and the movable parts of the stand are connected to it: the pipeline 8 for water supply is connected to the drain device 6; control and measuring cover 4 is mounted on the manhole 5; acoustic emission sensors 3 are mounted in areas to be monitored. Water from the storage tank 12 through the pumping station 11 through the control and distribution device 10 through the pipe 8, through the drain device 6 under considerable pressure is supplied to the boiler 1 of the tank.

The full filling of the boiler 1 of the tank is fixed by the control cover 4 and using the measuring and diagnostic complex 9 a command is sent to the control and distribution device 10 to stop filling the boiler 1 with water.

Next, the test program for boiler 1 and safety inlet valve 2 for multi-cycle loads begins to be implemented. In accordance with the test procedure, the measuring and diagnostic complex 9 according to a special algorithm through the control and distribution device 10, using the pump station 11, then increases the pressure in the boiler 1 to control values, then reduces the pressure to a normalized vacuum, pumping water from the boiler 1, through the device 10, into the storage tank 12. During multi-cycle tests of the boiler 1, acoustic emission sensors 3 record acoustic signals about the technical condition of the zones being monitored and send them to the measuring and diagnostic ostichesky complex 9 via communication lines 7. Complex 9, the information processing with a special program, outputs a conclusion about the technical condition of the test pieces of the boiler 1 of the tank.

During life tests, multi-cycle loading is performed until a limiting state occurs or a crack forms. By the number of multi-cycle loading, the boiler resource is set or the possible useful life.

Claims (1)

Test bench for the boiler of the tank, including a pumping station, control and distribution device, a storage tank for liquids, which are interconnected by pipelines and communication lines, and a control and measuring cover, characterized in that it additionally contains acoustic emission sensors and measuring and diagnostic complex associated with the control and distribution device.