| 摘要 |
The present invention relates to a natural circulation mode boiler for heating and provides a natural circulation mode boiler for heating comprising a water tank wherein the height of the first side is formed to be lower than the height of the other side to include a water storage part wherein water is stored and an air storage part wherein air is stored, and a water injection port is formed on top of said first side top; a check valve installed at the bottom of said water tank and including a body part, a top connection part that is formed on top of said body part, a bottom connection part that is formed at the bottom of said body part, and a backflow prevention plate that blocks or opens the flow path of said top connection part; a water tank discharge tube one end whereof is connected with the hole formed on one side bottom of said water tank and the other end whereof is connected with the top connection part of said check valve; an electrical heater wherein one end is connected with the bottom connection part of said check valve to heat the water supplied from said water tank; a discharge tube connected with the other end of said electrical heater to feed the water heated at said electrical heater to a heating zone; a water tank suction part that is formed to interface with the hole formed on the bottom of another end of said water tank; a suction tube one end whereof is connected with said water tank suction part; and a pressure reduction tube formed such that one end interfaces with said suction tube, and the other end interfaces with the air storage part of the top of the other of said water tank. |
