Abstract

Disclosed is an underground embedded-type fire-fighting box. According to an aspect of the present invention, provided is an underground embedded-type fire-fighting box comprising: a case which can be installed underground and has formed therein an inner space with one open surface; a door unit which is coupled to the case so as to cover one surface of the case to be opened/closed; a fire-fighting water supply unit which supplies fire-fighting water into the case from the outside of the case; a fire-fighting hose which is connected to the fire-fighting water supply unit and provided with the fire-fighting water to spray the water; a reel unit which is installed in the inner space of the case and has an outer circumference on which the fire-fighting hose is wound; and a winding unit which rotates the reel unit so that the fire-fighting hose unwound from the reel unit can be wound on the reel unit.

IPC Classes  ?

• E03B 9/10 - Protective plates or covers
• B65H 75/44 - Constructional details

Abstract

An embodiment of the present invention relates to a harmful gas processing apparatus. The harmful gas processing apparatus according to an aspect comprises: an inlet pipe having an inlet port which is formed at one end of the inlet pipe and through which outside air is introduced; a plurality of branch pipes, each of which is coupled at one end thereof to the other end of the inlet pipe so as to communicate with the flow channel in the inlet pipe; a fan disposed in each of the plurality of branch pipes to cause air in the flow channel to flow therethrough; a filter member disposed in each of the plurality of branch pipes to purify the outside air; and a valve disposed between the inlet pipe and the plurality of branch pipes to adjust the opening degree of the flow channels in the plurality of branch pipes such that the outside air is introduced into at least one of the plurality of branch pipes.

IPC Classes  ?

• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
• B01D 46/44 - Auxiliary equipment or operation thereof controlling filtration

Abstract

A ground-embedded hydrant box is disclosed. According to an aspect of the present invention, provided is a ground-embedded hydrant box comprising: an enclosure which can be embedded underground and has one surface open; a door unit which is installed on one surface of the enclosure and is for opening and closing the enclosure; a fire-fighting water supply unit which is installed in the enclosure and receives a supply of fire-fighting water from the outside of the enclosure; a hose of which one end is connected to the fire-fighting water supply unit and the other end injects the fire-fighting water; a valve for adjusting the flow of the fire-fighting water from the fire-fighting water supply unit to the hose; a reel unit which is installed inside the enclosure and has the hose wound around the outer peripheral surface thereof; and drain holes which are formed on the door unit and are for discharging out water which has flowed into the door unit.

IPC Classes  ?

• E03B 9/10 - Protective plates or covers

Abstract

A water curtain head according to the present invention may comprise: a head body which is connected to a water supply pipe installed in an inner side of a building and has a water-releasing opening; and a deflector arranged adjacent to the water-releasing opening to allow water discharged by the water-releasing opening to pass therethrough. The deflector may comprise: a first spray nozzle formed on the front surface of the deflector to penetrate the front surface of the deflector; and a second spray nozzle formed to be recessed inward from a side surface of the deflector by a predetermined section.

IPC Classes  ?

• A62C 31/02 - Nozzles specially adapted for fire-extinguishing
• A62C 2/08 - Water curtains
• A62C 35/68 - Pipe-line systems - Details, e.g. of pipes or valve systems
• A62C 37/08 - Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers

Abstract

A water curtain head according to the present invention may comprise: a head body which is connected to a water supply pipe installed in an inner side of a building and has a water-releasing opening; and a deflector arranged adjacent to the water-releasing opening to allow water discharged by the water-releasing opening to pass therethrough. The deflector may comprise: a first spray nozzle formed on the front surface of the deflector to penetrate the front surface of the deflector; and a second spray nozzle formed to be recessed inward from a side surface of the deflector by a predetermined section.

IPC Classes  ?

• A62C 2/08 - Water curtains
• E04B 1/94 - Protection against other undesired influences or dangers against fire
• E04B 2/88 - Curtain walls