The invention of the water heater has brought great convenience to our life. The production of hot water is no longer so laborious, ensuring that we can easily and comfortably use hot water whenever and wherever possible. At present, the water heaters used in the market include gas water heaters, solar water heaters, electric water heaters, and air energy water heaters. The energy used by these four companies is different, and the advantages and disadvantages are also varied. It is really difficult to say whether they are superior or inferior. Conclusion.
| First, gas water heater |
1. The energy used by gas water heaters is flammable gas, which can be divided into direct discharge type, flue type, strong discharge type, and balance type.
(1) In-line water heater: The oxygen required for combustion is taken from the room, and the flue gas generated after combustion is also discharged into the room. It has been banned from production due to personal injury accidents.
(2) Flue-type water heaters: Exhaust pipes are installed on the basis of the straight-line type. The oxygen required for combustion is taken from the room, and the flue gas generated by the combustion is discharged outside through the flue. This kind of water heater must be installed with a flue. When using it, pay attention to the exhaust air of the flue and prevent backward pouring. Strong-row water heater: A flue gas motor is added on the flue type. The flue gas is discharged to the outside through the flue. When running, the flue gas is forcibly discharged outside through the flue, but the oxygen required for combustion Still taken from the room.
(3) Balanced water heaters: Compared with the first three categories, they have achieved a great leap forward. The enclosure is sealed. The flue that is integrated with the enclosure is made of two layers inside and outside, and the flue pipe leads from the wall to the outside. The oxygen is supplied from the outside through the outer layer of the flue, and the flue gas generated after combustion is discharged from the inner layer of the flue to the outside, so it does not consume or pollute the indoor air. However, the installation of such a water heater requires a reserved passage like air conditioning.
2. Advantages: Fast heating, large amount of water, stable temperature, less scale, small footprint, and no water control.
3, Disadvantages: During use, toxic gases are discharged due to insufficient combustion, resulting in safety accidents; high starting water pressure, some users living high-level, can not start without a booster pump; installation is not convenient, to the wall Holes are created and air fans are arranged; different gas types have different burner shapes, nozzle sizes, and gas passage cross-sectional areas.
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