When the weather turns cold, beware of carbon monoxide poisoning

      Prevent carbon monoxide poisoning When the weather turns cold, be careful of carbon monoxide poisoning when heating

　　Prevention of carbon monoxide poisoning When the weather turns cold, be careful of carbon monoxide poisoning when heating.

　　With the sharp drop in temperature, some people may choose to use coal stoves, firewalls, carbon fire basins, gas heaters and other ways to get warm. If coal, charcoal, gas and other fuels are not fully burned, it is easy to produce an invisible gas - carbon monoxide.

　　Once a person inhales a large amount of carbon monoxide, the blood system will gradually lose its ability to carry oxygen, causing hypoxia in the body tissues, which can lead to death in severe cases, which is carbon monoxide poisoning.

　　Once an accident occurs, it will often cause irreparable losses, so we must be highly vigilant to avoid such an accident in life!

　　So, how can you prevent carbon monoxide poisoning?

　　These symptoms may be poisoning ↓↓↓

　　Mild poisoning: headache, dizziness, palpitation, nausea, vomiting and other symptoms;

　　Moderate poisoning: in addition to the above symptoms, it also includes red face, red lips, sweating, fast heart rate, irritability and gradually falling into a coma;

　　Severe poisoning: rapid coma, loss of reflexes, elevated body temperature, and even death.

　　What conditions may cause carbon monoxide poisoning?

　　Some families and families use coal stoves for heating in winter. Doors and windows are closed tightly, and the smoke exhaust system is poor.

　　The coal stove has no chimney or the chimney is not smooth.

　　The chimney faces the tuyere, and the gas enters the combustion chamber in reverse flow.

　　There is no ventilation equipment in the room.

　　Liquefaction furnace leaks and natural gas pipeline leaks.

　　Built in the same house with gas water heater and toilet.

　　Turn on the air conditioner when parking for a long time.

　　What about carbon monoxide poisoning?

　　1. Open the doors and windows immediately, move the patient to a place with good ventilation and fresh air quality, and pay attention to keeping warm.

　　At the same time, you can call 120 for emergency rescue.

　　2. Loosen the clothes button, keep the respiratory tract open, and remove oral and nasal secretions. If respiratory arrest is found, perform mouth to mouth artificial respiration immediately and perform external cardiac compression.

　　3. Give oxygen immediately. If possible, transfer to the hyperbaric oxygen chamber of the hospital for hyperbaric oxygen treatment.

　　What are the misconceptions about first aid?

　　1. Will you wake up when freezing? Cold stimulation not only aggravates hypoxia, but also leads to disturbance of peripheral circulation, shock and death.

　　2. Smell like gas? In fact, gas is carbon monoxide gas, colorless and tasteless, which is produced by incomplete combustion of carbon. It is also wrong to think that a room will not be poisoned if there is no odor.

　　3. Can putting a basin of clean water beside the furnace prevent gas poisoning?

　　Scientific research has confirmed that carbon monoxide is insoluble in water. To prevent poisoning, the key is not to close the doors and windows too tightly or install air buckets, and the chimney should maintain good air permeability.

　　4. Is the gas poisoning patient free after waking up? Gas poisoning patients must be treated by the hospital system before discharge, otherwise they are likely to leave complications or sequelae.

　　After discharge, oral medicine or other symptomatic treatment should be taken. Patients with severe poisoning generally need one or two years to be completely cured.

　　How to prevent carbon monoxide poisoning?

　　1. Ventilation is the key. When using a domestic coal stove, be sure to keep the windows open for ventilation, or set vents to keep the air flowing, which will reduce the risk.

　　2. All interfaces of the coal stove must be sealed to prevent gas leakage.

　　3. Knock the chimney with a fire hook every half month to prevent the chimney from being blocked.

　　4. It is better to add an upward chimney at the chimney outlet to prevent headwind.

　　5. If you eat charcoal hotpot in a closed room, there are also potential safety hazards. Pay attention to ventilation.

　　6. It is prohibited to use the direct discharge water heater at home, and pay attention to ventilation when taking a bath.

　　7. When the car is idling, it is not allowed to turn on the air conditioner for a long time. In an air-conditioned confined space, toxic gases will gather and cause carbon monoxide poisoning.

　　Correct selection and use of coal-fired heating furnace

　　The mainstream heating methods are mainly divided into three types: central heating, natural gas heating, air conditioning heating and domestic coal heating.

　　At present, domestic coal heating furnace is still the first choice for winter heating in some rural families.

　　The domestic coal-fired hot air furnace mainly adopts the steps of adding water, ignition, coal adding, slag removal, fire sealing, etc., and regularly replenishes water according to the use situation. If the water loss in the furnace is rapid, pay attention to whether the water pipe system leaks.

　　Add water. The domestic coal-fired heater provides continuous heat to the radiator through circulating hot water, while the hot water is heated by the boiler. Therefore, the user must fill up the water before ignition to prevent dry burning.

　　Generally, manufacturers have water injection instructions, and the products purchased by users should be installed according to the instructions.

　　Firewood can be used for ignition. For the first ignition of the heating furnace, water droplets or steam may appear on the inner wall of the furnace. This is because the furnace itself is not completely dry, so it needs to be dried before adding coal.

　　When adding coal, pay attention not to add coal slag and pulverized coal, because these particles are too small, which will directly leak from the grate and cause waste of resources. In addition, it is easy to cause poor air flow capacity in the coal bunker, which is not easy to add oxygen, and affects the boiler combustion effect.

　　Clean the slag and shake the grate to make the ash and coke slag fall completely. The shaking force of grate shall be uniform and not too hard, otherwise the equipment parts will be damaged. After the fire is full, remove the ash.

　　Fire sealing is required for unattended coal-fired heating boilers. Before sealing the fire, shake the grate to remove the slag and fire, then add enough coal and adjust the sealing valve.

　　Try to avoid using combustion furnace for heating and reduce the risk of carbon monoxide poisoning

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