Device and method for testing performance of high-temperature pipeline heat insulation clad material

Abstract

The invention discloses a device and a method for testing the performance of a high-temperature pipeline heat insulation clad material. The device comprises a combustion furnace, a heating pipe, a hot airflow discharge pipe, a thermocouple thermometer and an infrared thermometer, wherein the tested heat insulation material is sprayed or coated on a heating straight pipe; the combustion furnace serves as a heating source, the flame size can be adjusted, the hot airflow discharge is controlled, and the inner temperature is adjusted to a required testing temperature; the temperature of the inner pipe and the heat insulation outer surface is measured, comparative reference is formed, and the heat insulation performance is obtained; and meanwhile, the evaluation of mechanical strength of a heat insulation material on a similar high-temperature exhaust pipe part is simulated. The device has the advantages that 1. the measurable temperature is high, and the temperature can be controlled to be between 20 and 1200 DEG C; 2. the advantages of the heat insulation effect and the mechanical property can be intuitively given; and 3. a set of accurate and feasible device for testing and evaluating heat insulation property of the heat insulation material suitable for an exhaust pipe part of a large ship can be formed.

Description

technical field [0001] The invention relates to a heat insulation performance test device and a test method, in particular to a test device and a test method for the performance effect of heat insulation coating materials for high-temperature exhaust pipes of large ships. Background technique [0002] High-temperature heat-resistant insulation materials are extremely important in the insulation of high-temperature pipelines, especially the exhaust pipes of large-scale ship engines with a temperature exceeding 500°C. Their performance is directly related to the safety of the pipeline and its surrounding personnel, and the maintenance cycle And costs, environmental protection and many other issues. Especially in the high-temperature exhaust pipe parts with limited space and complicated appearance, the use of plastic heat insulation materials has great advantages. The required insulation material is not only good or bad in terms of cooling and heat insulation performance, but ...

AI Technical Summary

Problems solved by technology

In the case of field tests, the investment is huge, and it is difficult to clarify the technical boundaries, resulting in unnecessary waste of manpower and materials

[0003] Existing performance testing methods for pipeline insulation materials are mainly based on laboratory heat transfer oil pipes. The maximum temperature of heat transfer oil is 400°C. It is difficult to simulate high temperature pipelines above 500°C, and it is impossible to accurately evaluate the performance of heat insulation materials.

If the measurement temperature exceeds 500°C, large-scale pipeline equipment must be used, which is not convenient for test construction, long test period, reproducibility of simulated parts, poor reliability, and one-sided test results

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