Fireproof doorframe having water curtain and construction method therefor

A fireproof doorframe having a water curtain that is provided so as to cover a provisional doorframe, the fireproof doorframe comprising:

• a first cover that is fixed so as to cover one end of the provisional doorframe;
• a second cover that is fixed so as to cover the facing other end of the provisional doorframe;
• and
• a first water tank that is accommodated in the second cover, and is provided with nozzle parts formed in a direction facing a door,
• wherein the first cover includes a first end cover part that includes a side cover part which covers a side of the one end of the provisional doorframe, and an upper side cover part which covers an upper side of the one end of the provisional doorframe,
• the second cover includes a door accommodating part formed so as to protrude upwards from the upper side cover part, a door supporting part formed so as to be stepped upwards from a side of the door accommodating part, and a second end cover part which is formed adjacent to the door supporting part, and includes a side cover part which covers a facing side end of the provisional doorframe and an upper side cover part which covers a facing side upper side of the provisional doorframe,
• a first water tank accommodating part that is formed so as to be opened upwards and is capable of providing the first water tank is provided within the door supporting part, and
• a through hole for accommodating the nozzle parts is formed in a lower surface of the first water tank accommodating part.

A fireproof doorframe having a water curtain that is provided so as to cover a provisional doorframe, the fireproof doorframe comprising:

• a first end cover that is fixed so as to cover one end of the provisional doorframe;
• a central cover that is fixed so as to cover the first cover;
• a second end cover that is disposed adjacent to the central cover, and is fixed so as to cover the facing other end of the provisional doorframe;
• and
• a first water tank that is accommodated in the central cover, and is provided with nozzle parts formed in a direction facing a door,
• wherein the first end cover includes a first end cover part that includes a side cover part which covers a side of the one end of the provisional doorframe, and an upper side cover part which covers an upper side of the one end of the provisional doorframe,
• the central cover includes a door accommodating part formed so as to protrude upwards from the upper side cover part, and a door supporting part formed so as to be stepped upwards from a side of the door accommodating part,
• the second end cover includes a side cover part that covers the facing other end of the provisional doorframe, and an upper side cover part that covers an upper side of the one end of the provisional doorframe,
• a first water tank accommodating part that is formed so as to be opened upwards and is capable of providing the first water tank is formed within the door supporting part, and
• a through hole for accommodating the nozzle parts is formed in a lower surface of the first water tank accommodating part.

A fireproof doorframe having a water curtain, comprising:

• a door accommodating part that is formed at one end so as to accommodate a door;
• and
• a door supporting part that is formed so as to be stepped upwards with respect to the door accommodating part,
• wherein a first water tank accommodating part formed as a closing space is formed within the door supporting part, and
• a first nozzle hole is formed in a lower surface of the first water tank accommodating part in a direction facing a door.