In-depth analysis of the whole process of dryer condensate discharge

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In the fast-paced modern life, the dryer like a tireless domestic helper, quietly reshaped our daily. When the clothing carries moisture into its arms, it soon becomes as dry as new, thanks to a silent condensate drainage system. Today, let us cut through the fog, in-depth exploration of this process, feel the technology to give the subtle life and magic.

Ⅰ.Formation principle of condensed water

When the dryer is working, the heating module starts to work, heating the air to 50 °C-70 °C. The high temperature air forms the airflow, enters the roller and the clothing full contact. Under the action of high temperature, the water molecules in the clothing fiber are separated from the fiber gap and circulate in the drum together with the hot air. When hot, humid air flows into the condenser, it encounters low temperatures. The condenser is made up of metal fins and has good thermal conductivity. When hot humid air comes into contact with the cold metal fins, the temperature drops rapidly below the dew point. At this point, water vapor in the air to reach supersaturation state, began to condense into small water droplets. These water droplets attached to the metal fins, under the action of gravity gradually converge, and finally drip into the bottom of the dryer in the sink, complete the transition from water vapor to condensed water.

Ⅱ.Collection and temporary storage of condensate

The collecting trough is a part of the dryer specially used for collecting condensed water. It is usually located at the bottom of the dryer, the bottom design for funnel-shaped, easy to concentrate the flow of condensed water to the drain. A drainage hole with a diameter of about 3 mm is arranged at the bottom of the water collecting tank, which can ensure the smooth discharge of the condensate and prevent the outside impurities from entering. Some dryers use a double-chamber collection system. The front cavity collecting box is mainly responsible for receiving the moisture produced by the primary condensation, and the rear cavity collecting box further intercepts the moisture that may escape. The two collecting cavities are separated by a 0.5 mm filter screen, which can effectively filter out the wire debris and other impurities in the condensate to avoid blockage caused by its entry into the drainage system. When the water level in the sump reaches 80% of the volume, the water level sensor detects this change and triggers the reminder function of the dryer to inform the user that the sump needs to be cleaned.

III. Modes and pathways of emissions

1. Manual drainage: manual drainage is one of the most common methods of drainage. The dryer is equipped with a removable water box that the user is required to periodically remove and empty the condensate from. Water Box is generally located in the dryer front or side, capacity 2-3 liters or so. This drainage mode is simple to operate, suitable for small households or do not need frequent use of dryer users.

2. External Drain: external drain is a more convenient way of drainage. The user can connect the drain pipe of the dryer with the floor drain, so that the condensed water can be discharged directly into the sewer. Drain pipes are usually 16 mm in diameter corrugated pipe, installed to ensure that the pipe at a

5 ° angle to ensure the smooth discharge of condensate.

3. Pumping drainage: some high-end dryers are equipped with pumping drainage. Built-in micro-pump can be condensed water vertical lift 1.2 meters to achieve cross-layer drainage. This is useful for users who need to place dryers in higher locations or drain across floors.

Ⅳ.Process control of discharge

The start-stop of drainage pump is a key link in the process of condensate discharge. When the water level sensor detects a set level of water in the sump (typically 8 mm from the drain) , the pump is activated at 2800 rpm. Drain pump through the one-way valve will collect the condensate into the drain, to ensure that the condensate can be one-way flow, to avoid backflow. At 10 minutes before the start of drying, the system will automatically adjust the power of the drainage pump, so that the drainage process matches the drying progress, to avoid damage to the drainage pump for a long time idling, but also improve the efficiency of drainage.

Ⅴ.Post-discharge treatment

In the process of discharging, the condensed water will carry impurities such as fibers and dander on the clothes, which will gradually accumulate in the drainage pipe and form a thick“Wool soup”. If not cleaned in time, will lead to drainage pipe blockage, affect the normal use of the dryer. It is recommended that the drainage system should be cleaned once a month. Use an old toothbrush to carefully clean the strainer in the sink to remove any impurities that may be clinging to it. Pour 50 ml of white vinegar into the sink and let it soak for 30 minutes. The acidic components in white vinegar can dissolve the calcification of the inner wall of the pipeline, and play a role in cleaning and maintenance. If the drainage rate is found to be slow, the backwash method can be used for dredging. Water is injected into the drainage hole with a syringe, and the blockage is flushed away by water pressure to restore the unblocked drainage pipe.

Conclusion

Dryer condensate discharge, is a deep dialogue between science and Technology and life. Those precise design, clever control and meticulous maintenance, behind the engineer's precise insight into the needs of life and tireless study. It frees us from tedious household chores and allows us to enjoy convenience and efficiency.