Product Category
Share Dewar Use Safety Technology
Date: Jul 17, 2020
Dewar safety device
1.Safety pressure relief device. The safety pressure relief device of the Dewar is mainly to prevent the Dewar's medium from expanding due to heat and causing the Dewar's overpressure explosion when it encounters a special high temperature such as fire.
2.Dewar safety relief devices include: bursting disc, fusible plug, safety valve, and bursting disc-fusible plug composite device.
3.The bottle cap is a protection device to prevent the Dewar bottle valve from being damaged. In order to prevent the bottle cap from exploding due to the leakage of the bottle valve or the action of the safety pressure relief device, a vent hole should be opened on the bottle cap. According to their structure, bottle caps can be divided into two types: detachable and fixed.
4.Shockproof ring is a kind of protection facility to prevent the Dewar bottle body from being impacted.
Filling of Cryogenic Dewar flask
The Dewar bottle filling unit should apply to the provincial special equipment safety supervision and management department, and after evaluation, if it meets the conditions, the provincial special equipment safety supervision and management department will issue a license; Filling of jars.
1.Safety pressure relief device. The safety pressure relief device of the Dewar is mainly to prevent the Dewar's medium from expanding due to heat and causing the Dewar's overpressure explosion when it encounters a special high temperature such as fire.
2.Dewar safety relief devices include: bursting disc, fusible plug, safety valve, and bursting disc-fusible plug composite device.
3.The bottle cap is a protection device to prevent the Dewar bottle valve from being damaged. In order to prevent the bottle cap from exploding due to the leakage of the bottle valve or the action of the safety pressure relief device, a vent hole should be opened on the bottle cap. According to their structure, bottle caps can be divided into two types: detachable and fixed.
4.Shockproof ring is a kind of protection facility to prevent the Dewar bottle body from being impacted.
Filling of Cryogenic Dewar flask
The Dewar bottle filling unit should apply to the provincial special equipment safety supervision and management department, and after evaluation, if it meets the conditions, the provincial special equipment safety supervision and management department will issue a license; Filling of jars.
Cryogenic Dewar filling units shall meet the following conditions:
1. There is a quality management system, various management systems and emergency treatment measures that are compatible with the type of gas to be filled to ensure filling safety and filling quality.
2. There are managers who are familiar with the safety technology of Dewar filling and professionally trained Dewar inspectors before Dewar filling, Dewar inspectors after Dewar filling, gas inspectors, Du The maintenance personnel of the decanter accessories, the dewar depot management personnel, etc. should also set up a safety officer to take charge of the safety of the dewar filling.
3. There are places, facilities, equipment and testing means, site buildings, appliances, safety facilities and certain gas storage capacity that are compatible with the filled gas, and can provide users with Dewars that meet the safety technical specifications. Units filled with toxic, flammable and combustion-supporting gas shall also have devices for handling residual gas and residual liquid.
4. The gas filling registration certificate is valid for 5 years.
1. There is a quality management system, various management systems and emergency treatment measures that are compatible with the type of gas to be filled to ensure filling safety and filling quality.
2. There are managers who are familiar with the safety technology of Dewar filling and professionally trained Dewar inspectors before Dewar filling, Dewar inspectors after Dewar filling, gas inspectors, Du The maintenance personnel of the decanter accessories, the dewar depot management personnel, etc. should also set up a safety officer to take charge of the safety of the dewar filling.
3. There are places, facilities, equipment and testing means, site buildings, appliances, safety facilities and certain gas storage capacity that are compatible with the filled gas, and can provide users with Dewars that meet the safety technical specifications. Units filled with toxic, flammable and combustion-supporting gas shall also have devices for handling residual gas and residual liquid.
4. The gas filling registration certificate is valid for 5 years.
Last article:
Next article:
Send Your Inquiry
We not only provide a good product, but also provide high quality service. If you are interested in our products,
you can contact us in the following ways.
you can contact us in the following ways.