1. Warm the umbrella. Also known as the nanny umbrella, shaped like a large wooden bucket, the upper part is small, the diameter is 8 to 30 centimeters; the lower part is large, the diameter is 100 to 120 centimeters; the height is 67 to 70 centimeters. The outer shell is made of iron sheet, aluminum alloy or wood board (fibre board), and the interlayer is filled with heat-insulating material such as glass fiber (rock wool). The outer shell can also be made of cloth, and the inner side is coated with a layer of heat insulation material to form a foldable umbrella. . The heat preservation umbrella is heated by an electric heat pipe, a temperature control device is installed under the umbrella top or umbrella, and an illumination lamp and a radiation plate should be installed under the umbrella, and a gap of 10-15 cm is left at the lower edge of the umbrella so that the ducklings can freely enter and exit. . This kind of heat preservation umbrella can raise 200-300 ducklings each. When the temperature in winter is low, you should increase the room temperature while using the warm umbrella.
2. Coal stoves. An air intake device similar to a stove is used. The air inlet is located on the bottom floor, the original inlet of the coal stove is blocked, another inlet pipe is installed, a small piece of glass is added on the top of the inlet, and the temperature of the fire control is controlled through the opening of the glass. The upper side of the furnace is equipped with an exhaust pipe, leading to the outside. This method is mostly used to increase the room temperature, when using this method must pay attention to ventilation, to prevent carbon monoxide poisoning.
3. Infrared light. Infrared light bulb heating is used indoors. The commonly used infrared light bulb is 250 watts, can be arranged at equal distances when used, and can also be a set of 3 to 4 infrared light bulbs. At the first week of age, the bulbs were 35 to 45 cm above the ground. As the young age increased, the bulb height was gradually increased. The use of infrared light bulb heating, temperature stability, indoor litter drying, easy management, save manpower. However, the infrared lamp consumes a large amount of electricity, the bulb is easily damaged, the cost is high, and the place where the power supply is not normal should not be used.
4. Flue. There are two kinds of underground flues (ground dragons) and ground flues (fire dragons). It consists of a stove, a flue, and a chimney. The ground flue is conducive to heat dissipation, and the underground flue can keep the ground flat and easy to manage. The flue shall be built in a brooding room with a stove, fueled with coal or firewood, and a chimney at the other end. The chimney shall be more than 1 metre above the roof, connecting the stove and the chimney through a flue, and introducing the temperature of the stove into the smoke. Road inside. The material used to build the flue is best to use adobe, which is conducive to heat preservation and heat absorption. The fires used in rural areas in northern China also belong to the underground flue.
5. Hot blast stove. The hot blast stove is a new type of heating equipment with air as medium and coal or oil as fuel. Its compact and reasonable structure, high thermal efficiency, low operating cost, and easy operation. Automatic type has automatic control of ambient temperature, coal quantity, air intake, hot air output, automatic fire protection, alarm, efficient dust removal and other performance characteristics.
6. Heater. Used in conjunction with a hot blast stove, it can be highly efficient, energy-efficient and environmentally friendly.
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