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Current position: home page > Technical articles >Application of Dewar bottle and liquid phase, gas phase and welding industry

Dewar bottle and its application in liquid phase, gas phase and welding industry

Time: 2017-11-08 09:24 Source: unknown Author: Bander liquid nitrogen tank Click: second

1、 Gas consumption steps

1. In Dewar bottle Install a suitable pressure reducer on the joint of the gas valve;

2. Connect proper gas pipeline between gas consuming equipment and pressure reducer;

3. Open the booster valve;

4. By observing the pressure gauge, the set value of the economic pressure regulator can be increased;

5. Open the air valve;

6. Adjust the pressure reducer to the appropriate gas pressure;

7. After using gas, close all Dewar valves;

2、 Safety performance

The glass fiber reinforced plastic and stainless steel support between the inside and outside is durable;

2. The stainless steel neck tube can withstand accidental rollover of Dewar bottle;

3. The adsorption material can maintain vacuum for a long time;

4. It is equipped with liner rupture disc to double protect the liner safety (patent design);

5. It is equipped with shell discharge device to protect the shell safety;

Dewar, anti-skid and shock-proof bottom, 6;

3、 How to use liquid

1. Connect the pipeline to the inlet and outlet bottle of Dewar bottle;

2. Connect the filling pipeline to the filled container. If it is an open container, a device to prevent liquid splashing should be installed at the end of the filling pipeline;

3. Open the filling valve and vent valve of the container to be filled;

4. Open the inlet and outlet valve of Dewar bottle and control the flow rate;

5. After filling, close the valve of the container to be filled, close the inlet and outlet valve of Dewar bottle, and open the vent valve on the filling pipeline to empty the residual liquid and gas in the filling pipeline;

6. Remove the filling pipeline from the filled container or remove the open container.

Use adiabatic low temperature Dewar bottle Advantages: low pressure, transportable, safe to use. The gas storage capacity is large, which greatly reduces the transportation and labor costs. Made of stainless steel, the bottle body is clean and the gas purity is high. Low temperature, can be used with gas phase liquid phase connection. The gas storage capacity of a 185 l adiabatic cryogenic self pressurized cylinder is equivalent to the capacity of 18 15 MPa 40 l high pressure cylinders. It can provide users with a completely independent gas supply and liquid supply system, which is suitable for handicraft industry, medical treatment, laboratory and other industries (such as gas phase, liquid phase, welding, hospital oxygen supply station, aquatic oxygen supply system, etc.).

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