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Display cases Use of gas welding equipment

Display cases Use of gas welding equipment 1. Precautions for use of gas welding equipment To ensure safety, pay attention to the following when using display cases gas welding equipment: ① Oxygen connecting pipes and gas connecting pipes must not be short enough, at least not At 2m. ②The excess part of the connecting pipe should be left behind, and it should not be long to coil around the...

display refrigeratorTIME：2016-08-22
The electronic expansion valve in display cooler

display cooler electronic expansion valve is a kind of throttle valve in refrigeration system. The main advantage of is that it can precisely control the refrigerant flow rate, so as to achieve the purpose of precise control of the evaporation temperature. It is usually used in places where the temperature control accuracy is relatively high. According to the different driving methods, the dis...

walk-in display coolersTIME：2016-08-22
The actual operation process of display cooler welding

The actual operation process of display cooler welding is as follows: ① Welding of copper pipes is absolutely not allowed to use butt joints, and must be aligned with one of the two copper pipes to be welded before welding Expanding operation, expand the-end of the copper tube into a cup shape. The specific operation process of the display cooler flaring operation is detailed in the relevant c...

walk-in display coolersTIME：2016-08-22
display cooler electronic expansion valve (2)

display cooler electronic expansion valve, liquid level control electronic expansion valve, liquid level control are generally used in display cooler refrigeration devices where the suction superheat is lower than 2℃. The liquid level control system consists of an electronic expansion valve, a liquid level sensor, and a liquid level controller. Operation principle: When the liquid level in the ...

display freezerTIME：2016-08-22
Commercial refrigeration evaporating pressure adjustment and its control components

commercial refrigeration evaporating pressure adjustment and its control components In commercial refrigeration refrigeration devices, evaporative pressure regulating valves are generally used to automatically control the evaporation pressure. The main function of its control: ①Maintain the constant evaporation pressure, reduce commercial refrigeration temperature fluctuations, ensure the qual...

walk-in display coolersTIME：2016-08-22
Walk-in cooler evaporation pressure adjustment and its control components (2)

If the walk-in cooler does not install an evaporation pressure regulating valve at high temperatures, each evaporator can only operate at the same evaporation pressure (the evaporation pressure of the low-temperature cabinet) Work, it is easy to cause the deterioration of the refrigerated food in the high temperature cabinet and the increase of dry consumption. Operation principle: When the evap...

display refrigeratorTIME：2016-08-22
display cases How to use the gas welding equipment

The valve opens and the fire operates. As shown in Figure 2-5-2. When both gases enter the welding torch, the ignition operation can be performed. ③When igniting an open flame, first turn on the gas-climbing control screw of the welding torch, and place the lighter at about 3cm from the left end of the welding torch to ignite the open flame. It is worth noting that the flame must not leave the...

commercial refrigerationTIME：2016-08-22
How to use display cooler gas welding equipment (2)

How to use display cooler gas welding equipment Through observation, we can find that the flame has a bright flame core, the inner flame is bright blue, and the outer flame is sky blue. This kind of flame is called a neutral flame. The neutral flame is suitable for welding various pipelines in the display cooler. When using a neutral flame to weld the pipeline of the display cooler, the length...

display freezerTIME：2016-08-22
How to use gas welding equipment in supermarket refrigerated showcase (3)

How to use gas welding equipment in supermarket refrigerated showcase Carbonized flame is not suitable for welding. When using gas welding equipment to weld the pipeline of the supermarket refrigerated showcase, the flame of the gas welding equipment must be adjusted to a neutral flame before welding. When turning off the welding gun of the gas welding equipment, first turn off the gas control...

commercial refrigerationTIME：2016-08-22
Commercial refrigeration refrigeration process

commercial refrigeration refrigeration process food commercial refrigeration refrigeration process refers to the cooling, freezing, refrigerating and thawing of food, that is, the method of using low-temperature preservation and processing of food. Cooling is to quickly reduce the temperature of the food to a specified temperature, but it should be higher than the freezing point of the food juic...

walk-in display coolersTIME：2016-08-22

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