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Test method for secondary shielding performance of insulation layer

A test method and insulation layer technology, applied in measuring devices, analysis of suspensions and porous materials, scientific instruments, etc., to achieve intuitive effects and simple operations

Active Publication Date: 2018-09-04
TI THERMAL INSULATION PROD SHANGHAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Make the leaked liquid flow into the receiving tank and volatilize

Method used

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  • Test method for secondary shielding performance of insulation layer
  • Test method for secondary shielding performance of insulation layer
  • Test method for secondary shielding performance of insulation layer

Examples

Experimental program
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Embodiment Construction

[0022] see figure 1 , with reference to figure 2 , image 3 , Figure 4 , the secondary shielding performance test device of the insulation layer used in the present invention includes a bracket 1 , a liquid nitrogen supply mechanism 2 , a first receiving tank 3 and a second receiving tank 4 .

[0023] Support 1 has an inclined plane for placing the insulation layer to be tested (made into flat plate 6); liquid nitrogen supply mechanism 2 is arranged on the top of the insulation layer to be tested during testing, and leaves a liquid nitrogen supply between the insulation layer to be tested. Flow through the gap 5. The first receiving tank 3 is installed on the bracket and arranged below the liquid nitrogen supply mechanism, and is used for receiving the liquid nitrogen flowing down from the gap. The second receiving groove 4 is installed on the support and arranged under the insulation layer to be tested, for receiving liquid nitrogen that may seep out from the insulation...

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Abstract

The invention discloses a method for testing the secondary shielding performance of an insulating layer, the method is implemented by a device for testing the secondary shielding performance of the insulating layer, the device comprises a support, a liquid nitrogen supply mechanism, a first receiving tank and a second receiving tank, and the liquid nitrogen supply mechanism, the first receiving tank and the second receiving tank are arranged on the support; the test method mainly comprises the following steps: one, the insulating layer is manufactured into a panel according to the actual design structure and the splicing requirement; two, the manufactured panel is mounted on the liquid nitrogen supply mechanism; three, a plurality of thermocouples are mounted in different positions of the panel; four, the panel and the liquid nitrogen supply mechanism are mounted on the support; five, the liquid nitrogen supply mechanism is filled with liquid nitrogen; six, whether the liquid nitrogen flows to the first receiving tank and the second tank is kept dry or not is judged. The method can effectively detect whether the insulating layer has the secondary shielding effect or not. The operation is easy and convenient, and the effect is intuitive.

Description

technical field [0001] The invention relates to a method for testing the performance of thermal insulation materials, in particular to a method for testing the secondary shielding performance of thermal insulation layers. Background technique [0002] Type B independent tanks of liquefied gas carriers require secondary shielding. In the Moss type liquid cargo tank design, the insulation layer can play a secondary shielding role to ensure that when the liquid cargo tank leaks, the liquid cargo flows out along the discharge pipe, along the gap between the insulation layer and the cargo tank wall to the lowest point of the insulation layer. bottom. Make the leaked liquid flow into the receiving tank and volatilize. Whether the insulation layer can play a secondary shielding role needs to be tested. Contents of the invention [0003] The object of the present invention is to provide a method for testing the secondary shielding performance of the heat-insulating layer in ord...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/08
CPCG01N15/08G01N2015/0813
Inventor 陆炜
Owner TI THERMAL INSULATION PROD SHANGHAI CO LTD
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