KR101670360B1 - Struucture for drain pipe including appartus for fire prevention - Google Patents

Abstract

The present invention provides an installation structure for a drain pipe of a building to prevent fire on a lower layer from spreading to an upper layer through a drain pipe in a building having a plurality of layers. According to an embodiment of the present invention, a fireproof member is formed in a drain pipe, and a first fire spreading prevention unit arranged to cover the drain pipe is provided. Moreover, a second fire spreading prevention unit is provided in a wall dividing a plurality of layers to prevent fire on a lower layer from spreading to an upper layer through a drain pipe.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a fire extinguishing system,

The present invention relates to a technique of installing a building drain pipe to prevent fire from spreading through a drain pipe installed in a drain pipe of a building.

Recently, there have been frequent occurrences of fire in a building leading to large-scale human accidents.

This is because, in the case of a building with a large structure, even if a fire occurs, the recognition of the fire is delayed, and the path of evacuation is varied, so that a panic condition occurs in which a large number of people are moved at once.

Of course, after the large-scale disaster, many publicity is provided to educate and educate safety rules. In the case of newly built buildings, various fire extinguishing equipment is prepared for fire.

However, in most buildings, these fire extinguishing appliances are still vulnerable to fire because they are often simply equipped with fire detectors and sprinklers.

On the other hand, in the case of a building including a plurality of floors, if a fire occurs in one of the floors, the fire can easily spread to various floors through a drain pipe, which is mainly made of a flammable material, This is because the flame is easily propagated to the other layer through the penetration.

Therefore, there is a growing need for an installation structure of a building drain pipe for preventing the flame from spreading through the drain pipe.

Korean Utility Model Publication No. 20-2011-0002985

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a method of preventing fire spreading through a drain pipe in a building including a plurality of layers during a fire, It is possible to provide a structure for installing a building drain pipe which can increase the amount of dissolved oxygen of the sewage introduced into the sewage treatment plant.

As a means for solving the above-mentioned problems, a building drainage pipe installation structure having a fire prevention function according to an embodiment of the present invention includes a drainage pipe in a building including a plurality of layers, (100) installed to penetrate the plurality of layers, a wall body (300) having a central hole for partitioning the plurality of layers and inserting the drain pipe, A first fire diffusion preventing part 200 disposed to cover the drain pipe from the lower side of the wall and blocking a flame coming from a drain pipe in a lower layer, and a second fire diffusion preventing part 200 disposed in the wall 300, And a second fire diffusion preventing portion that closes the center hole when it reaches the drain pipe of the upper layer, wherein the drain pipe (100) A fluid outflow preventing member (120) extending from an inner surface of the water pipe to a deep portion as an upper side of the air inlet, and a fluid outflow preventing member (120) formed on the upper side of the fluid outflow preventing member And the first fire diffusion preventing part 200 is formed of a flame retardant and flame resistant rubber having elasticity and is filled with air having a predetermined pressure or more, And a compression and extinguishant tube 210 configured to compress and expand the interior space of the drainage pipe 100 which is thin and thick in elasticity so as to seal the space occupied by the drainage pipe 100. In the wall body 300, Wherein the first space portion and the second space portion are formed so as to face each other, and the second fire diffusion preventing portion has one side fixed to the end of the first space portion, A first blocking member (310) for pressing one end of the drain pipe (100) inserted into the center hole so as to press the drain pipe inward, a first blocking member (310) elastically supported at one end of the second space part, And a second blocking member 320 for pressing the drain pipe against the other side of the drain pipe inserted in the center hole to press the drain pipe inward. When the drain pipe is burnt due to fire, the first blocking member 310 And the second blocking member 320 are engaged to close the center hole.

The fluid leakage preventing member 120 and the fire preventing member 130 may be installed to have a downward inclination from the inner surface of the water pipe 100 toward the deep portion.

In addition, the first fire-diffusion preventing portion may include a fire extinguishing material filling space 224 disposed above the compression fire extinguishing tube 210 and filled with a predetermined extinguishing substance and sealed therein, And a nozzle 221 configured to discharge the extinguishing material to the drain pipe 100 when the molten material melts at a temperature higher than the predetermined temperature.

A first spring member (312) is connected between one side of the first blocking member (310) and an end of the first space portion, and one side and the other side of the first spring member (312) A first protrusion 311 formed at an end of the first blocking member 310 and a first receiving groove 315 formed at one side of the first blocking member 310,

The second spring member 322 is connected to one side of the second blocking member 320 and the end of the second space unit by a second spring member 322. One side and the other side of the second spring member 322 are connected to ends And a second receiving groove 325 formed on one side of the second blocking member 320. The second receiving groove 325 is formed on the second blocking member 320. [

A coupling groove 313 and a coupling projection 323 are formed on the other side of the first blocking member 310 and the other side of the second blocking member 320. The coupling groove 313 and the coupling projection The first rubber packing 314 and the second rubber packing 324 are respectively coupled to the first and second elastic members 323,

One side of the first rubber packing 314 is formed with a protrusion corresponding to the coupling groove 313 and one side of the second rubber packing 324 is formed with a groove corresponding to the coupling protrusion 323,

The first blocking member 310 and the second blocking member 320 are moved inwardly of the drain pipe 100 by the elastic force when the drain pipe is burnt due to fire and the first rubber packing 314, And the second rubber packing 324 are burned and the engaging protrusion 323 is inserted into the engaging groove 313 so that the center hole can be closed.

According to the embodiment of the present invention, since the plurality of fire-diffusion preventing portions are provided in the structure for installing the building drain pipe, it is possible to prevent the spread of fire through the building drain pipe installed through the plurality of layers in an early stage.

In addition, since oxygen can be efficiently supplied to the sewage flowing into the drain pipe at normal times, there is an effect that the amount of dissolved oxygen of the sewage introduced into the sewage treatment plant can be increased.

1 is a cross-sectional view of a building drain pipe installation structure (hereinafter referred to as 'the present structure') having a fire prevention function according to an embodiment of the present invention.
2 and 3 are a perspective view and a cross-sectional view of the drain pipe 100 in this structure.
Figs. 4 and 5 are cross-sectional views of the first fire-diffusion preventing portion in the present structure. Fig.
6 and 7 are cross-sectional views of the second fire-diffusion preventing portion in the present structure.

Hereinafter, the configuration and operation according to the present invention will be described in detail with reference to the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following description with reference to the accompanying drawings, the same reference numerals denote the same elements regardless of the reference numerals, and redundant description thereof will be omitted. The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

2 and 3 are a perspective view and a sectional view of a drain pipe 100 in this structure, Figs. 4 and 5 are sectional views of a first fire diffusion preventing portion in this structure, Fig. 6 And Fig. 7 is a cross-sectional view of the second fire-prevention portion in the present structure.

Referring to FIG. 1, the present invention relates to a structure for installing a building drainage pipe having a fire prevention function through a drain pipe in a building including a plurality of layers. The structure includes a drainage pipe 100, a wall 300, Prevention section 200 and a second fire-diffusion prevention section.

The drain pipe (100) is installed to vertically move the fluid inside by gravity, and is installed so as to pass through a plurality of layers. To this end, the drain pipe (100) is inserted into the wall A central hole should be formed.

2 and 3, an air inlet 110 is formed in the water pipe 100 in this structure so that external oxygen can be mixed into the fluid flowing in the water pipe 100, A fluid outflow preventing member 120 is formed around the air inlet 110 to prevent the outflow of the fluid through the air inlet 110.

That is, while the wastewater flows to the sewage treatment plant, oxygen is introduced into the water discharge pipe 100 through the air inlet 110 and mixed with the sewage water, thereby increasing the amount of dissolved oxygen in the sewage water.

Furthermore, by providing the fluid outflow preventing member 120 around the air inlet 110, it is possible to prevent the internal fluid from flowing out to the outside through the air inlet 110.

Here, the fluid leakage preventing member 120 may have any structure that prevents the fluid from flowing out through the air inlet 110. However, as shown in FIGS. 2 and 3, It is preferable to take a structure that is formed so as to extend from the inner surface of the drain pipe 100 to the deep portion.

Since the fluid leakage preventing member 100 having such a structure serves as an eave of the air inlet 110, it is possible not only to effectively prevent the fluid flowing downward from flowing out through the air inlet 110, It is possible to obtain an additional effect that the amount of oxygen dissolved in the sewage can be increased by causing the contact between the fluid and air to act actively.

Such a structure can be applied to any structure of the drain pipe 100. When the drain pipe 100 takes a cylindrical structure as in the general case, it is preferable that the fluid outflow preventing member 120 has a structure of a semi- .

In order to prevent the fluid from excessively obstructing the flow of the fluid flowing upward or downward from the upper surface of the fluid leakage preventing member 120, It is preferable to have a structure that is provided so as to have a downward inclination toward the center.

It is preferable that a plurality of air inlets 110 are formed at appropriate intervals along the longitudinal direction in consideration of the size of the pipes, the amount of water to be drained, and the like.

Here, the air inlets 110 may be formed in a row along the longitudinal direction, but in this case, the fluid collides only on the upper surface of the fluid outflow preventing member 120 installed on the uppermost side, and the fluid outflow preventing members 120 ), The effect of increasing the oxygen content due to the collision of the fluid with the fluid leakage preventing member 120 as described above can be reduced.

Accordingly, as shown in FIGS. 2 and 3, at least one of the plurality of air inlets 110a and 110b is formed at a position different from the other air inlets with respect to the longitudinal direction, It is preferable that the outflow preventing member 120 can also collide with the fluid.

3, when a plurality of air inlets 110a and 110b are formed in a zigzag manner on the left and right sides of the water pipe 100, the fluid collides with all the fluid outflow preventing members 120, So that it is possible to maximize the effect of oxygen incorporation due to the collision.

In addition, in the case of the above-described structure of the water pipe 100, it is possible to maximize the effect of mixing oxygen into the fluid at normal times. However, in order to prevent the flame from rising on the water pipe 100, The fireproof member 130 is stacked.

This fire-fighting member 130 may be a heat-foam fire-extinguishing refractory material, or a plastic bag containing a heat-foam fire-extinguishing refractory material.

The thermal foaming fire-extinguishing refractory material increases in volume from 50 to 300 times by heat and becomes a non-combustible carbide, thereby forming a thick heat insulating barrier layer around the drain pipe 100, It is possible to prevent the fire from diffusing along with the fire.

As a result, the drain pipe 100 of the present structure can increase the amount of dissolved oxygen of the sewage at normal times, and when the fire occurs, the heat spreading fire extinguishing refractory material stacked or applied on the upper side of the fluid outflow preventing member 120, Can be prevented.

As shown in FIG. 4 and FIG. 5, the first fire-diffusion preventing part 200 includes a first fire-diffusion preventing part 200 and a second fire- And is disposed to surround the drain pipe 100 from the lower side, and functions to block the flames coming from the drain pipe in the lower layer.

The first fire diffusion prevention part 200 may be composed of a compression fire extinguisher tube 210 and a spray fire extinguisher tube 220 in detail.

The compressed fire extinguishing tube 210 is an elastic material ring made of flame retardant and flame resistant rubber. The compressed fire extinguishing tube 210 is formed on one side of the ring body and filled with air 212 at a predetermined pressure or higher. And the space occupied by the water discharge pipe 100 is sealed by the pressure of the internal air 212 in the event of a fire in the water discharge pipe 100 so that the thickness of the water discharge pipe 100 is expanded and contracted inwardly Diffusion is prevented.

The jet extinguishing tube 220 has an elastic tube which is disposed on the upper side of the compression fire extinguishing tube 210 and is made of flame retardant and flame retardant rubber so as to come into close contact with the outer periphery of the water pipe 100, And a package filling tube 222 having a package filling space 224 which is extended and projected outwardly in the longitudinal direction of the four outer circumferences and which is filled with the extinguishing substance 223 at a predetermined pressure and sealed therein, The fire extinguishing material 223 of the fire extinguisher filling space 224 is sprayed toward the water pipe 100 by the internal pressure and is discharged from the water pipe 100 And a nozzle 221 for secondarily extinguishing the flame or flame remaining in the flame.

As a result, when the flame is spread through the drain pipe 100, the flame reaches the flame of the fire extinguishing tube 210 gradually, and the flue gas is melted into the flame. Is expanded by the hot air temperature and the self air pressure to expand the compression fire extinguishing tube 210 while the portion where the water pipe 100 is positioned is sealed to prevent the flame from proceeding first.

In this state, when the flame is left in the drain pipe 100 and the temperature of the flask exceeds the predetermined temperature, the nozzle 221 disposed at the periphery of the powder fire extinguisher tube 220 melts and the phage filling tube 222 The fire extinguishing material 223 inside the bag filling space 224 of the fire extinguisher 224 is ejected into the drain pipe 100 by the internal pressure and the fire or the fire is secondarily extinguished to automatically prevent the fire from spreading.

On the other hand, the present structure includes a second fire diffusion preventing portion disposed in the wall body 300 and closing the center hole when the flame coming from the drainage pipe 100 in the lower layer rises up to the drainage pipe 100 in the upper layer.

In the wall 300, the first space part and the second space part are formed so as to be opposed to each other with respect to the center hole. At this time, the second fire diffusion prevention part is movable in the first space part as shown in FIG. 6 and FIG. And a second blocking member 320 arranged to be movable in the second space portion.

6, the first blocking member 310 is elastically supported at one end of the first space portion and the other side abuts one side of the drain pipe 100 to press the drain pipe 100 inward, And one end of the second blocking member 320 is resiliently supported at the end of the second space and the other end of the second blocking member 320 is in contact with the other side of the drain pipe 200 to press the drain pipe 100 inward.

Specifically, a first protrusion 311 is formed at an end of the first space, a first receiving groove 315 is formed at one side of the first blocking member 310, and one side of the first spring member 312 And the other side is inserted into the first receiving groove 315. The first receiving groove 315 is engaged with the first projection 311,

Likewise, a second protrusion 321_ is formed at the end of the second space, a second receiving groove 325 is formed at one side of the second blocking member 320, and one side of the second spring member 322 is formed 2 protrusion 321, and the other side is inserted into the second receiving groove 325. [

A coupling groove 313 and a coupling projection 323 are formed on the other side of the first blocking member 310 and the other side of the second blocking member 320. The coupling groove 313 and the coupling projection A first rubber packing 314 and a second rubber packing 324 are coupled to the first rubber packing 323 and one side of the first rubber packing 314 is formed to correspond to the coupling groove 313, One side of the second rubber packing 324 is formed with a groove corresponding to the engaging projection 323.

In the above structure, when a fire occurs, the first blocking member 310 and the second blocking member 320, which respectively press one side and the other side of the drain pipe 100 when the drain pipe 100 is burned by the flame, So that they are moved toward each other in the direction of the inside of the drain pipe 100 where the drain pipe 100 is located.

In this process, the first rubber packing 314 and the second rubber packing 324 are also burnt, and as a result, the engaging projections 323 are inserted into the engaging grooves 313, By joining the member 310 and the second blocking member 320, the center hole is completely closed.

It is preferable that the first blocking member 310 and the second blocking member 320 are made of a metal material resistant to heat. By combining the first blocking member 310 and the second blocking member 320, It is possible to prevent the flame of the lower drainage pipe 100 from diffusing into the upper layer.

In the foregoing detailed description of the present invention, specific examples have been described. However, various modifications are possible within the scope of the present invention. The technical idea of the present invention should not be limited to the embodiments of the present invention but should be determined by the equivalents of the claims and the claims.

100: Water pipe
110: air inlet
120: fluid leakage preventing member
130:
200: First fire prevention part
210: Pressurized digestion tube
220: jet fire extinguisher
300: wall
310: first blocking member
320: second blocking member

Claims (5)

A building drain pipe installation structure having a fire prevention function through a drain pipe in a building including a plurality of layers,
A drain pipe (100) installed to penetrate the plurality of layers;
A wall 300 partitioning the plurality of layers and having a center hole for inserting the drain pipe 100;
A first fire diffusion preventing part 200 disposed below the wall to enclose the drain pipe and blocking a flame coming from the drain pipe 100 in the lower layer; And
A second fire diffusion preventing portion disposed in the wall body 300 and closing the central hole when the flame coming from the drain pipe 100 in the lower layer rises to the drain pipe 100 in the upper layer;
Lt; / RTI >
The water pipe (100) includes an air inlet (110) formed along the longitudinal direction of the water pipe (100) so that external oxygen is mixed therein; A fluid outflow preventing member (120) extending from an inner surface of the water pipe to a deep portion as an upper side of the air inlet (110); And an ignition member 130 formed on the upper side of the fluid leakage preventing member 120,
The first fire diffusion preventing part 200 is made of a flame retardant and flame resistant rubber having elasticity and is filled with air having a predetermined pressure or more. When the fire is generated, And a compression fire extinguishing tube (210) configured to compress the space occupied by the drain pipe (100)
In the wall 300, the first space part and the second space part are formed facing each other with respect to the center hole,
The second fire-diffusion preventing portion may include a first blocking member that elastically supports one end of the first space portion and one side of the drain pipe 100 inserted into the center hole to press the drain pipe inward, (310); And a second blocking member (320) elastically supported at one end of the second space portion and one end of the second blocking member being in contact with the other side of the drain pipe inserted in the center hole to press the drain pipe inward, And the central hole is closed by the first blocking member (310) and the second blocking member (320) by the elastic force when the drain pipe is burnt.
The method according to claim 1,
Wherein the fluid leakage preventing member (120) and the fire preventing member (130) are installed to have a downward inclination from the inner surface of the drain pipe (100) toward the deep part.
The fire extinguishing system according to claim 2, wherein the first fire-
A sealed compartment 224 disposed above the compression fire extinguishing tube 210 and filled with a certain amount of extinguishing material and sealed therein; and a drain pipe 100 connected to the compartment, An extinguishing extinguishment tube 220 including a nozzle 221 configured to eject the extinguishing material toward the exterior;
Wherein the fire extinguishing system further comprises:
The method of claim 3,
The first spring member 312 is connected to one side of the first blocking member 310 and the end of the first space unit by a first spring member 312. One side and the other side of the first spring member 312 are connected to ends And a first receiving groove (315) formed on one side of the first blocking member (310)
The second spring member 322 is connected to one side of the second blocking member 320 and the end of the second space unit by a second spring member 322. One side and the other side of the second spring member 322 are connected to ends Is combined with a second protrusion (321) formed on the first block member (320) and a second receiving groove (325) formed on one side of the second block member (320).
The method of claim 4,
A coupling groove 313 and a coupling projection 323 are formed on the other side of the first blocking member 310 and the other side of the second blocking member 320. The coupling groove 313 and the coupling projection 323 Are respectively coupled with a first rubber packing 314 and a second rubber packing 324,
One side of the first rubber packing 314 is formed with a protrusion corresponding to the coupling groove 313 and one side of the second rubber packing 324 is formed with a groove corresponding to the coupling protrusion 323,
The first blocking member 310 and the second blocking member 320 are moved inwardly of the drain pipe 100 by the elastic force when the drain pipe is burnt due to fire and the first rubber packing 314, And the second rubber packing (324) are burnt and the coupling protrusion (323) is inserted into the coupling groove (313), thereby closing the center hole.

Images