Introduce the working process of the industrial small dry box extracting packing oil separator.
The oil droplets entrained in the refrigerant gas in the packed oil separator are separated by the reduction of the gas flow rate, the deflection, and the filtration of the packing layer. The filler may be a wire mesh, a ceramic ring or a metal scrap, etc., wherein the wire mesh effect is good. The thicker the filler layer, the better the effect, but the resistance also increases, generally should be controlled below the vapor flow rate of 0.5m / s. The packing type oil separator for ammonia has two different forms, A and B. The A type shell is welded with a cooling water jacket, which is generally installed on the compressor unit.
The Type B housing has no cooling water jacket and is installed between the compressor and the condenser. The fluorine-filled oil separator is also equipped with a float-controlled automatic return valve to directly return oil to the crankcase of the refrigeration compressor during operation. Packed oil separators have a good oil separation effect and can be as high as 96% to 98%, so they are widely used in ammonia and Freon refrigeration systems.
(3) Centrifugal oil separator Centrifugal oil separator is suitable for large and medium-sized refrigeration equipment, and its structure is shown in the figure. A spiral guide vane is arranged on the upper part of the cylinder, and the intake air enters from the upper part of the cylinder in a tangential direction. (Industrial small drying oven) The directional guide vanes spirally flow from top to bottom under the action of centrifugal force. The oil droplets in the intake air are separated and flow down the inner wall of the simplified body. The refrigerant vapor is filtered from the central tube in the center of the cylinder through a three-layer sieve plate and discharged from the top of the simplified body.
A simplified baffle is provided in the middle of the simplified body to separate the high-speed rotating airflow from the oil storage chamber, and also to allow the separated oil to flow along the baffle to the lower oil storage chamber. The oil accumulated in the oil storage chamber can be automatically returned to the compressor through the float valve device at the lower part of the cylinder, or the oil can be manually returned. In addition to some centrifugal oil separators, a cooling water jacket is added to improve the oil separation effect and reduce the risk of burns to operators.
4) Filter oil separator The filter oil separator is often used in a small Freon refrigeration unit, as shown in Figure 3-50. The oil separation effect of the filter oil separator. This is achieved by reducing the air flow rate, changing the flow direction and filtering the screen. (Industrial small drying oven) The oil separator is equipped with a float ball valve. When the lubricating oil in the device accumulates to the fixed position, the float valve can be automatically returned to the oil. The oil separator has a simple structure and is easy to manufacture, but its oil separation effect is not as good as that of a packed oil separator.
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The oil droplets entrained in the refrigerant gas in the packed oil separator are separated by the reduction of the gas flow rate, the deflection, and the filtration of the packing layer. The filler may be a wire mesh, a ceramic ring or a metal scrap, etc., wherein the wire mesh effect is good. The thicker the filler layer, the better the effect, but the resistance also increases, generally should be controlled below the vapor flow rate of 0.5m / s. The packing type oil separator for ammonia has two different forms, A and B. The A type shell is welded with a cooling water jacket, which is generally installed on the compressor unit.
The Type B housing has no cooling water jacket and is installed between the compressor and the condenser. The fluorine-filled oil separator is also equipped with a float-controlled automatic return valve to directly return oil to the crankcase of the refrigeration compressor during operation. Packed oil separators have a good oil separation effect and can be as high as 96% to 98%, so they are widely used in ammonia and Freon refrigeration systems.
(3) Centrifugal oil separator Centrifugal oil separator is suitable for large and medium-sized refrigeration equipment, and its structure is shown in the figure. A spiral guide vane is arranged on the upper part of the cylinder, and the intake air enters from the upper part of the cylinder in a tangential direction. (Industrial small drying oven) The directional guide vanes spirally flow from top to bottom under the action of centrifugal force. The oil droplets in the intake air are separated and flow down the inner wall of the simplified body. The refrigerant vapor is filtered from the central tube in the center of the cylinder through a three-layer sieve plate and discharged from the top of the simplified body.
A simplified baffle is provided in the middle of the simplified body to separate the high-speed rotating airflow from the oil storage chamber, and also to allow the separated oil to flow along the baffle to the lower oil storage chamber. The oil accumulated in the oil storage chamber can be automatically returned to the compressor through the float valve device at the lower part of the cylinder, or the oil can be manually returned. In addition to some centrifugal oil separators, a cooling water jacket is added to improve the oil separation effect and reduce the risk of burns to operators.
4) Filter oil separator The filter oil separator is often used in a small Freon refrigeration unit, as shown in Figure 3-50. The oil separation effect of the filter oil separator. This is achieved by reducing the air flow rate, changing the flow direction and filtering the screen. (Industrial small drying oven) The oil separator is equipped with a float ball valve. When the lubricating oil in the device accumulates to the fixed position, the float valve can be automatically returned to the oil. The oil separator has a simple structure and is easy to manufacture, but its oil separation effect is not as good as that of a packed oil separator.
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