KR101856677B1

KR101856677B1 - Automatic control system of fire water in case of building fire

Info

Publication number: KR101856677B1
Application number: KR1020180019913A
Authority: KR
Inventors: 한광호; 김진봉
Original assignee: (주)산이앤씨건축사사무소
Priority date: 2018-02-20
Filing date: 2018-02-20
Publication date: 2018-06-25

Abstract

More particularly, the present invention relates to an automatic control system for fire-fighting water in the event of a fire in a building, and more particularly, it is possible to stably supply fire-fighting water by installing a water pump and piping for fire- And to minimize the loss of life and economic loss due to the improvement of the function of the firefighting facility and the ability of the firefighting facility to improve the function of the firefighting facility And an automatic control system for fire-fighting water in the event of a fire.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire control system,

FIELD OF THE INVENTION The present invention relates to an automatic control system for fire-fighting water in the event of a fire in a building, and more particularly, to a fire-extinguishing water- It is possible to prevent the spread of a large fire in advance and to minimize the damage of people and economic loss by improving the function of the fire-fighting facilities, such as being able to solve the inconvenience of the residents by leakage accident after the main valve of the household The present invention relates to an automatic control system for fire-fighting water in the event of a fire in a building.

The fire caused by negligent carelessness is not decreasing every year over the years.

Mainly, fire is easily connected from small fire to large fire, leading to huge loss of life and property loss.

Accordingly, the fire-fighting equipment installed in the building prevents the initial normal operation from leading to a large fire.

In the conventional fire-fighting system, fire-extinguishing water pipes of the fire-fighting pump system including the main pump, the reserve pump, and the re-pressurizing pump are mostly made of cast iron, so that when the fire- Corrosion of piping occurs.

As a result, the internal parts are fixed to the piping and the fire water is not normally supplied through the pipe during normal operation due to the occurrence of actual fire. In addition, the motor of the fire pump is lost due to the overload, It is exposed to risk.

Korea Patent Registration No. 10-1726215 (Apr. 26, 2017) 'Stable Supply System of Fire Water'

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a fire extinguishing water supply system for a fire extinguishing system, And it is possible to minimize the loss of life and economic loss by improving the function of the fire-fighting facilities and the disaster prevention ability such as being able to solve the inconvenience of the residents by leakage accident after the main valve of the generation The main purpose of this system is to provide an automatic control system for fire fighting water in case of fire in buildings.

In order to achieve the above-mentioned object, the present invention provides a low-level water supply system for supplying drinking water and fire water from a water collecting unit (11) of a groundwater pump unit (10) in a multi-storey building through a first water pipe A pump 13; A high-level feedwater pump 20 for supplying drinking water and fire-fighting water from the water collecting unit 11 of the groundwater pump unit 10 to the high-rise generation through the second water pipe 21; A booster pump for applying a booster pump of a rotational speed and an algebraic control system to the boiler pump 28 through a fire extinguishing water pipe 28 connected to the respective generations of the low and high booster pumping pressures of the fire extinguishing water from the water collecting pump 11 A dedicated feed pump 27; An emergency valve (36) provided in an emergency supply pipe (35) connected between the fire extinguishing water pipe (28) and the second water supply pipe (21); A fire-fighting water inner pipe 40 connected to the fire-fighting water pipe 28 and connected to the groundwater pump room 10 in the same unit of the inner house; A first pressure detecting device (51) installed between the fire extinguishing water transit pipe (40) and the fire extinguisher inlet port (60); A fourth pressure gauge (63) installed in the fire extinguisher correlation (60) of each floor of each apartment of the apartment house for sensing and displaying the pressure; A unit generation damper valve 64 provided in the digestion main pipe 62 branched from the digestion inlet correlation 60 and connected to the unit generation of each layer and the unit generation damper valve 64 are led to the unit generation And a unit branch box 65 for supplying digestion water through the digestive branch pipe 66 branching to a plurality of sprinklers 67 of each generation. The low-level feed pump 13, the high-level feed pump 20 1 and 2 and 3 pressure tanks 12, 19 and 26 are respectively connected to the first and second water supply pipes 21 and 21 and the fire-fighting water supply pump 27, The first, second and third check valves 15, 22 and 29, the first and second open / close valves 16, 23 and 30, the first and second and third pressure gauges 17, And first, second and third water hammer prevention devices (18, 25, 32), respectively; The induction pipe 33 is connected to the fire-fighting water pipe 28 of the fire-fighting water supply pump 27 and the test valve 34 is installed in the induction pipe; In a fire control water automatic control system in case of a fire in a building in which a gluming type elbow 43 is installed to prepare for expansion and contraction due to vibration or pressure at a constant interval in the fire extinguishing water transit pipe 40, The branch box 65 for unit generation includes a box plate 100 fixed to the ceiling and a digestion main pipe fixing unit for fixing a large number of the main digits 62 in a straight line spaced from the box plate 100 UNT) and a cover box (200) through which a plurality of digestive branch pipes (66) branching from the digestive main pipe (62) are passed through while covering the digestive main fixation unit (UNT); The digestive main pipe fixing unit UNT includes a rectangular bar binding block 300, a fixed block 400 assembled to the upper end of the binding block 300, and a pipe fixed to the lower end of the binding block 300. [ And a fixing member (600); The coupling block 300 includes a block body 310 and an insertion piece 340 protruding from the upper surface of the block body 310 to a thickness smaller than that of the block body 310, A mounting hole 342 penetrating in the thickness direction, and an elastic fixing member 350 screwed to the mounting hole 342; The elastic fixing member 350 includes a fixing member 351 having a threaded shape formed on a circumferential surface thereof and screwed to the mounting hole 342 and a protrusion 351 formed through the center of the sealing surface of the fixing member 351, And a protrusion 353 protruding through the protrusion guide hole 352. The protrusion 353 protrudes through the protrusion guide hole 352 and the protrusion 353 protrudes through the protrusion guide hole 352. The elastic flow port 354 And a spring fixing piece 356 which is screwed to the open end of the fixing hole 351 while pressing the coil spring 355 against the coil spring 355; The fixed block 400 includes a rectangular head 410 that is screwed to the box plate 100 and a rectangular protrusion 420 protruding from the rectangular head 410, And the insertion piece 340 is inserted into the insertion piece fixing slit 430. The insertion piece fixing slit 430 is formed on one side of the rectangular protrusion 420, And the through hole 440 is formed to extend from the outer surface of the rectangular protrusion 420 toward the insertion piece fixing slit 430. The insertion hole fixing slit 430 is formed with a through- A predetermined depth release hole 442 is formed and is connected to the release hole 442 so that a larger diameter fixing hole 444 is formed and the fixing hole 444 is larger than the protrusion 353 / RTI > The tubular fixing member 600 includes a unit housing 610 having a rectangular box shape and a knob mounting hole 620 is formed through the center of the front of the unit housing 610 and the knob mounting hole 620 Shaped spring fixing grooves 630 are formed on both sides of the rear surface of the unit housing 610 as symmetrical with respect to the radial direction and the angle adjusting knob 620 having a square surface 642 is formed in the knob setting hole 620, A ring fixing portion 646 having a stepped groove 644 is protruded from an end portion of the rectangular protrusion 642 protruding from the front end face of the square protrusion 642, A pair of leaf springs 650 are vertically spaced from each other across the knob installation hole 620 in the spring fixing groove 630. The angle adjusting knob 640 is inserted between the leaf springs 650, And the spacing between the pair of leaf springs 650 is set to be equal to the distance A square hole 662 is formed on the plate surface of the elastic piece fixing hole 660 so that the plate-like elastic piece fixing hole 660 is inserted into the square surface 642, Shaped tube fixing piece 664 for gripping the main digestion pipe 62 is integrally provided below the main body 660 and a washer 670 is inserted into the ring fixing portion 646 and is inserted from the knob setting hole 620 And the snap ring 680 is engaged with the step groove 644 in a state where the angle adjusting knob 640 and the elastic piece fixing hole 660 are prevented from being detached and separated from each other. do.

According to the present invention, it is possible to stably supply the water for fire fighting by installing the water pump and the piping for fire extinguishing in a multi-family house, so that it can be prevented from spreading from an unexpected fire accident to a large fire in advance, It is possible to obtain the effect of minimizing loss of life and economic loss by enhancing the disaster prevention capability such as being able to solve the inconvenience of residents by leaking accidents and the function of fire fighting facilities.

1 is a block diagram showing an underground pump room in an automatic fire fighting water control system in the event of a fire in a building according to the present invention.
2 is a system diagram of an underpass pipe in an automatic fire fighting water control system in the event of a fire in a building according to the present invention.
3 is an underground system diagram of an automatic fire control water control system in the event of a fire in a building according to the present invention.
FIG. 4 is a granular system diagram of an automatic control system for fire-fighting water when a fire occurs in a building according to the present invention.
FIG. 5 is a system diagram of a unit generation in an automatic fire fighting water control system when a fire occurs in a building according to the present invention.
FIG. 6 is a schematic view showing an example of installation of a branch box according to the present invention.
7 is an enlarged sectional view of the main part of Fig.
FIG. 8 is an exemplary view showing the elastic fixing unit taken in FIG. 7; FIG.
9 is an exploded view of a fire main pipe fixing unit installed in a branch box according to the present invention.
Fig. 10 is an exemplary view showing an assembly example of Fig. 9. Fig.
11 is an exemplary view showing the rear surface of Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Before describing the present invention, the following specific structural or functional descriptions are merely illustrative for the purpose of describing an embodiment according to the concept of the present invention, and embodiments according to the concept of the present invention may be embodied in various forms, And should not be construed as limited to the embodiments described herein.

In addition, since the embodiments according to the concept of the present invention can make various changes and have various forms, specific embodiments are illustrated in the drawings and described in detail herein. However, it should be understood that the embodiments according to the concept of the present invention are not intended to limit the present invention to specific modes of operation, but include all modifications, equivalents and alternatives falling within the spirit and scope of the present invention.

Prior to the detailed description, the present invention uses the configuration of the above-described Japanese Patent No. 10-1726215 as it is. Therefore, the basic structure described below is the same as the above-mentioned registered patent.

As shown in FIG. 1, the automatic fire fighting water control system according to the present invention includes a groundwater pump room 10 installed in a basement of a building, and the groundwater pump room 10 is provided with drinking water and digestion water Is provided at the bottom of the housing (11).

The low-level water supply pump 13 provided in the underground water pump room 10 supplies drinking water and fire water from the water collecting unit 11 to the low-level generation through the first water supply pipe 14.

At this time, the low-level feed water pump 13 supplies the water pumped through the first pressure tank 12 through the first water pipe 14 via the first check valve 15 and the first open / close valve 16 .

In addition, the first pressure tank 12 automatically operates the pump to replenish the water and maintain the water pressure when the water in the tank is reduced to lower the atmospheric pressure.

In addition, the first water pipe 14 is provided with a first water hammer prevention device 18 (see FIG. 1) 18 for preventing leakage and a variety of facilities by holding a high pressure momentarily generated when the low-level water feed pump 13 is operated and stopped, Is installed.

In addition, the first water pipe 14 is provided with a first pressure gauge 17 to detect and display the pressure of drinking water and fire water supplied through the first water pipe 14.

Further, the high-level water pump 20 provided in the groundwater pump chamber 10 supplies drinking water and fire water from the water collecting unit 11 to the high-rise generation through the second water pipe 21.

At this time, the high-level feedwater pump 20 supplies the pumped water through the second pressure tank 19 through the second water pipe 21 through the second check valve 22 and the second open / close valve 23 .

In addition, the second pressure tank 19 automatically operates the pump to replenish the water and maintain the water pressure when the water in the tank is reduced and the air pressure is lowered.

A second water hammer prevention device 25 is provided in the second water supply pipe 21 to prevent leakage of water and various facilities by holding a high pressure momentarily generated when the high-level water supply pump 20 is operated and stopped, Respectively.

A second pressure gauge 24 is installed in the second water supply pipe 21 to sense and display the pressure of drinking water and fire water supplied through the second water supply pipe 21.

The fire extinguishing water supply pump 27 pressurizes and extinguishes the water for fire extinguishing water from the water collecting compartment 11 of the underground water supply pump room 10 and supplies the pressurized water through the fire extinguishing water pipe 28 connected to each of the lower and upper layers.

At this time, the fire-extinguishing water supply pump 27 supplies the pumped water through the third pressure tank 26 through the third check valve 29 and the third opening / closing valve 30 through the fire water pipe 28 .

In this case, it is preferable that the booster pump of the rotation number and the logarithmic control system is applied to the fire-only water pump 27.

The booster pump of the rotation speed and the logarithmic control method has remarkably improved the energy saving performance by realizing the estimated terminal pressure control technology which judges and adjusts the optimum supply water pressure according to the water supply amount and the night pump will be.

In addition, the third pressure tank 26 automatically operates the pump to replenish the water and maintain the water pressure when the water in the tank is reduced and the air pressure is lowered.

At this time, a third water hammer prevention device 32 is provided in the fire extinguishing water pipe 28 for protecting the leakage water and various facilities by preventing instantaneous high pressure generated when the fire extinguishing water supply pump 27 is operated and stopped Respectively.

A third pressure gauge 31 is installed in the fire extinguishing water pipe 28 to detect and display the pressure of the drinking water and the fire extinguishing water supplied through the fire extinguishing water pipe 28.

An induction pipe 33 for discharging the water sucked by the fire-fighting water pump 27 to the water collecting pipe 11 is provided in the fire fighting water pipe 28 of the fire fighting water pump 27, The test valve 34 is installed.

The induction pipe (33) prevents unnecessary waste of water at the time of the test of the operation standby.

The test valve 34 is for testing the normal operation of the fire pump 27. The test valve 34 is open during the test and is operated locally by the deviation of the pressure,

In addition, the fire extinguisher water pipe 28 is diverged, and the emergency supply pipe 35 is connected and installed.

The emergency supply pipe 35 is connected between the fire extinguishing water pipe 28 and the second water supply pipe 21 and an emergency valve 36 is installed in the emergency supply pipe 35.

The emergency valve 36 is capable of supplying the water supplied from the high-level water feed pump 20 to the fire extinguishing water at the time of failure in operation of all the facilities including the fire-extinguishing water supply pump 27 and the fire extinguishing water pipe 28.

Therefore, the emergency valve 36 is provided for the case where the supply of the water is not performed due to the operation failure of the fire-extinguishing water supply pump 27 or the high-level water supply pump 20, The water supply pump 20 can be used to supply the drinking water or the digestive water at all times.

Next, in Fig. 2, a fire-fighting water trans- ferred pipe 40 is installed in each unit of the apartment house in the groundwater pump room 10.

The fire-fighting water trans- ferred pipe (40) is connected to the fire-fighting water pipe (28) connected to the fire-extinguishing water pump (27).

In addition, the fire-fighting water trans- port pipe 40 is provided with a fire extinguishing water trans- port pipe 40 for reducing the fatigue of the piping material due to the expansion and contraction of the fire extinguishing water pump 27, A gluming type elbow 43 is provided at a predetermined interval to provide a buffering action for a linear motion in preparation for elongation and contraction due to vibration or pressure.

A plurality of fixed anchors 41 and 45 and guides 42 and 44 are provided at the front end and the rear end of the fire extinguishing water transverse pipe 40 where the gluming type elbow 43 is installed.

When the pressure fatigue of the piping material rises due to the pressure and the head of the fire-fighting water pump 27, the gluming type elbow 43 is installed in consideration of the case where the joint of the piping material, that is, the elbow ruptures due to the rapid bending phenomenon, This is because a complementary design is required.

In FIG. 3, the fire-fighting water trans- port pipe 40 connected to each unit of the apartment house is connected to the fire extinguisher correlation 60.

At this time, a first damper valve 50, a first pressure detecting device 51 and a fourth check valve 52, to which a damper is attached, are provided between the fire extinguishing water transit pipe 40 and the fire extinguishing gasket 60.

The first pressure detecting device (51) is provided with a bypass by piping so as to detect a plurality of pressures in the basement.

In addition, the first pressure detecting device 51 holds the pressure of the primary side at about 0.7 MPa by the pressure detecting switch, and when the pressure drops to about 0.6 Mpa, the switch is detected to open the valve, Then manually set it to the original position.

In this case, it is advisable to install the pressure detecting device horizontally for the normal function and performance of the valve.

The second damper valve 53 and the second pressure detecting device 54 corresponding to the digestion input correlation 60 of the corresponding vertical line are provided for each of the plurality of vertical lines, And a fifth check valve 55 are provided.

In addition, the first-layer transfer port of each copper unit is connected to the digestion inlet correlation 60 through an auto drip valve 58, a sixth check valve 57, and a third damper valve 56 with a damper attached thereto.

In Fig. 4, the digestion input correlation 60 of each copper unit is diverted and piped to the digestion main pipe 62 for each layer.

Then, a fourth pressure gauge 63 for sensing and displaying the pressure in the digestion inlet correlation 60 is provided for each layer or in a separate layer.

Further, a plurality of unit-generation damper valves 64 are provided in the digestion main pipe 62 branching from the digestion inlet correlation 60 of each layer and connected to the unit generation of each layer.

At this time, when the apartment house is the corridor type, the damper valve 64 for each unit generation will be installed according to the fire main pipe to be branched.

The damper valve 64 for the unit generation is prepared for the case where a second fire occurs in the same layer and is intended for the safety of the system so that the damper valve is closed when the fire is disturbed so that plural generations of the damaged part can be multiplied.

In FIG. 5, in the case of a unit generation of each layer, a branch box 65 is installed on the ceiling while being separated from the hydrator 70 so as to be guided to the unit household through the damper valve 64 for the unit generation.

The digester main pipe 62 is connected to the branch box 65 and is installed to supply digestive water to the sprinkler 67 through a plurality of digestive branch pipes 66 branching from the main digestion pipe 62.

6 to 11, the branch box 65 includes a box plate 100 fixed to the ceiling and a plurality of fire main fixation units (not shown) UNT), and a cover box 200 covering the fire main pipe fixing unit (UNT).

In this case, a plurality of pipe installation holes (not shown) are formed in the cover box 200, and a plurality of digestive branch pipes 66 branching from the digestion main pipe 62 to which the digestion main pipe fixing unit UNT is fixed And can be piped out through the cover box 200.

Particularly, since the cover box 200 is not free from contamination such as moisture and dust, it is necessary to strengthen moisture resistance and antifouling property.

To this end, in the present invention, 10.5% by weight of sebaceous acid, 2.5% by weight of 2-mercaptobenzimidazole (MBI), and Si-O-Ti bonds are bonded to the outer surface of the cover box 200 It is preferable to apply a coating agent composed of 3.5% by weight of polysiloxane, 15% by weight of spherical silica, 3.5% by weight of chromium oxide, 4% by weight of xylene and the remaining unsaturated polyester resin to further form the moisture resistant fouling strengthening layer.

At this time, sebacic acid is added for the purpose of enhancing the function of suppressing the foreign body adhesion, that is, the antifouling property; 2-mercaptobenzimidazole (MBI) is added to prevent cracking and deterioration, and polysiloxane is bonded with Ti to provide a strong bonding force even at a low drying temperature (room temperature) ; The spherical silica is added to increase the water repellency and waterproof property to enhance the moisture-proof antifouling property, and the chromium oxide is added to increase the infrared reflectance to increase the heat stability, the xylene is a dispersion solvent for increasing the dispersibility and the unsaturated polyester The resin is added to increase the heat reflecting property to improve heat resistance.

The box plate 100 is fixed to the ceiling with an anchor bolt.

7 to 9, the fire main pipe fixing unit UNT includes a rectangular bar-shaped binding block 300, a fixing block 400 assembled to the upper end of the binding block 300, And a pipe fixing member 600 fixed to the lower end of the coupling block 300.

The coupling block 300 includes a block body 310 and an insertion piece 340 protruding from the upper surface of the block body 310 to a thickness smaller than that of the block body 310.

The insertion piece 340 is formed with a mounting hole 342 penetrating therethrough in the thickness direction, and the elastic fixing member 350 is screwed to the mounting hole 342.

8, the elastic fixing member 350 includes a fixing member 351 having a 'C' shape in which a thread is formed on the peripheral surface thereof and is screwed to the mounting hole 342, Shaped protruding guide hole 352 formed through the center of the closed surface of the fixing hole 351 and a protrusion 353 protruding through the protruding guide hole 352, A coil spring 355 which is mounted on the rear surface of the elastic flow hole 354 and a spring fixing piece 356 which is screwed to the open end of the fixing hole 351 while pressing the coil spring 355, Lt; / RTI >

At this time, the spring fixing piece 356 is formed in the shape of 'ㅕ' so that one end of the coil spring 355 can be more stably fixed by having the spring receiving groove 357 at the center of one side, The tool groove 358 is further formed so as to be rotatably operated using a tool, such as a screwdriver.

The elastic protrusions 353 are integrally formed with the protrusions 353 in the fixture 351 so that the coil springs 355 are inserted into the protrusions 353, So that the fastening block 300 can be easily locked and unfastened.

The fixed block 400 includes a rectangular head 410 screwed to the box plate 100 and a rectangular protrusion 420 projecting from the rectangular head 410.

A predetermined length of insertion piece fixing slit 430 is formed from the lower end surface of the rectangular protrusion 420 and the insertion piece 340 is inserted into the insertion piece fixing slit 430.

A through hole 440 is formed at one side of the rectangular protrusion 420 in a direction orthogonal to the insertion piece fixing slit 430 so as to communicate with the insertion piece fixing slit 430. The through hole 440 A fixed depth hole 442 is formed in the outer surface of the rectangular projection 420 toward the insertion piece fixing slit 430 and a fixing hole 444 having a larger diameter is connected to the releasing hole 442 Are formed.

In this case, the fixing hole 444 is formed slightly larger than the protrusion 353.

When the insertion piece 340 of the binding block 300 is inserted into the insertion piece fixing slit 430 of the fixing block 400, the protrusion 353 is elastically compressed, The protruding portion 353 protrudes and is caught by the fixing hole 444 due to the urging force of the instantaneous coil spring 355 coinciding with the protruding portion 444 of the inserting piece fixing slit 430 so that the inserting piece 340 is fixed to the inserting piece fixing slit 430 at that moment.

On the other hand, when it is desired to release the binding block 300, a means such as a pin is inserted into the releasing hole 442 and pressed.

The coil spring 355 is compressed while the protrusion 353 is pressed and the protrusion 353 is separated from the fixing hole 444 so that when the coupling block 300 is pulled downwardly from the fixing block 400 to the coupling block 300 ) Can be easily separated.

The tube fixing member 600, which actually holds the fire main pipe 62, includes a rectangular box-shaped unit housing 610, as shown in Figs. 9 to 11.

At the center of the front face of the unit housing 610, a knob mounting hole 620 is formed through the knob mounting hole 620. On both sides of the rear face of the unit housing 610 with respect to the knob mounting hole 620, Shaped spring fixing grooves 630 are formed symmetrically to the left and right.

At this time, the spring fixing groove 630 is formed such that a groove forming part 632 protrudes on a recessed surface (GOV) recessed at a certain depth on the back surface of the unit housing 610.

An angle adjusting knob 640 having a rectangular face 642 is inserted into the knob mounting hole 620 and the end face of the angle adjusting knob 640 A ring fixing portion 646 having a stepped groove 644 is protruded from the protruding end portion.

A pair of leaf springs 650 spaced vertically from each other across the knob mounting hole 620 are arranged in the spring fixing groove 630. Between the leaf springs 650, The quadrangular surface 642 of the base plate 640 is disposed in a surface contact state.

That is, the square surface 642 is integrated with the angle adjusting knob 640 and is disposed between the pair of leaf springs 650 when the knob 640 is disposed on the knob mounting hole 620.

At this time, the interval between the pair of leaf springs 650 is equal to the thickness of the square surface 642.

Thus, in this case, the square surface 642 should be square.

A plate-shaped elastic piece fixture 660 is inserted into the square surface 642. The plate-like elastic piece fixture 660 has a square hole 642 through which the square surface 642 can be inserted. And an arc-shaped pipe fixing piece 664 is integrally formed under the elastic piece fixing port 660. The arc-

When the washer 670 is inserted into the ring groove portion 646 and the angle adjusting knob 640 and the elastic piece fixing hole 660 are not separated from the knob setting hole 620, So that the angle adjusting knob 640 can be firmly and stably fixed.

As a result, the leaf spring 650 is separated from the spring fixing groove 630, and the leaf spring 650 is separated from the spring holding groove 630 It is not detached and operates stably.

11, the angle adjusting knob 640 is rotated 90 degrees in the clockwise direction in a state where the main digestion pipe 62 is sandwiched therebetween while the elastic fastening fixture 660 is normally rotated 90 degrees counterclockwise with reference to FIG. .

Then, when the pair of leaf springs 650 is deformed, that is, when the angle of the leaf spring 650 is rotated, the square surface 642 of the angle adjusting knob 640 is rotated by 90 degrees, And the arc-shaped pipe fixing piece 664 is disposed in the shape as shown in FIG. 11 to hold the digestion main pipe 62 in a gripped state.

In this state, since the open portion of the pipe fixing piece 664 is arranged laterally, the main pipe 62 is not easily separated from the pipe, so that the fixing stability is maintained. When the pipe is inserted, It is convenient to insert the fire main pipe 62 because the open part is in the opened state at 90 degrees, that is, the open part is directed downward.

10: Ground water pump room 20: High-level water pump
40: digestion water transversus 60: digestion
70: Fire hydrant

Claims

A low-level feed water pump 13 for supplying drinking water and fire water from a water collecting compartment 11 of the underground water pump room 10 to a low-rise household through a first water supply pipe 14; A high-level feedwater pump 20 for supplying drinking water and fire-fighting water from the water collecting unit 11 of the groundwater pump unit 10 to the high-rise generation through the second water pipe 21; A booster pump for applying a booster pump of a rotational speed and an algebraic control system to the boiler pump 28 through a fire extinguishing water pipe 28 connected to the respective generations of the low and high booster pumping pressures of the fire extinguishing water from the water collecting pump 11 A dedicated feed pump 27; An emergency valve (36) provided in an emergency supply pipe (35) connected between the fire extinguishing water pipe (28) and the second water supply pipe (21); A fire-fighting water inner pipe 40 connected to the fire-fighting water pipe 28 and connected to the groundwater pump room 10 in the same unit of the inner house; A first pressure detecting device (51) installed between the fire extinguishing water transit pipe (40) and the fire extinguisher inlet port (60); A fourth pressure gauge (63) installed in the fire extinguisher correlation (60) of each floor of each apartment of the apartment house for sensing and displaying the pressure; A unit generation damper valve 64 provided in the digestion main pipe 62 branched from the digestion inlet correlation 60 and connected to the unit generation of each layer and the unit generation damper valve 64 are led to the unit generation Generation branch box 65 for supplying fire-fighting water through the fire extinguisher branch 66 branched to the plurality of sprinklers 67 of each generation,
The first, second and third pressure tanks (12, 19, 26) are connected to the low-level water feed pump 13, the high-level water feed pump 20 and the fire-only water feed pump 27, First and second check valves 15, 22 and 29, first, second and third opening / closing valves 16, 23 and 30, and first, second and third check valves 14, First, second and third pressure gauges (17, 24, 31) and first, second and third water hammer prevention devices (18, 25, 32) The induction pipe 33 is connected to the fire-fighting water pipe 28 of the fire-fighting water supply pump 27 and the test valve 34 is installed in the induction pipe; In a fire control water automatic control system in case of a fire in a building in which a gluming type elbow 43 is installed to prepare for expansion and contraction due to vibration or pressure at a constant interval in the fire extinguishing water transit pipe 40,
The branch box 65 for unit generation includes a box plate 100 fixed to the ceiling and a digestion main pipe fixing unit for fixing a large number of the main digits 62 in a straight line spaced from the box plate 100 UNT) and a cover box (200) through which a plurality of digestive branch pipes (66) branching from the digestive main pipe (62) are passed through while covering the digestive main fixation unit (UNT);
The digestive main pipe fixing unit UNT includes a rectangular bar binding block 300, a fixed block 400 assembled to the upper end of the binding block 300, and a pipe fixed to the lower end of the binding block 300. [ And a fixing member (600);
The coupling block 300 includes a block body 310 and an insertion piece 340 protruding from the upper surface of the block body 310 to a thickness smaller than that of the block body 310, A mounting hole 342 penetrating in the thickness direction, and an elastic fixing member 350 screwed to the mounting hole 342;
The elastic fixing member 350 includes a fixing member 351 having a threaded shape formed on a circumferential surface thereof and screwed to the mounting hole 342 and a protrusion 351 formed through the center of the sealing surface of the fixing member 351, And a protrusion 353 protruding through the protrusion guide hole 352. The protrusion 353 protrudes through the protrusion guide hole 352 and the protrusion 353 protrudes through the protrusion guide hole 352. The elastic flow port 354 And a spring fixing piece 356 which is screwed to the open end of the fixing hole 351 while pressing the coil spring 355 against the coil spring 355;
The fixed block 400 includes a rectangular head 410 that is screwed to the box plate 100 and a rectangular protrusion 420 protruding from the rectangular head 410, And the insertion piece 340 is inserted into the insertion piece fixing slit 430. The insertion piece fixing slit 430 is formed on one side of the rectangular protrusion 420, And the through hole 440 is formed to extend from the outer surface of the rectangular protrusion 420 toward the insertion piece fixing slit 430. The insertion hole fixing slit 430 is formed with a through- A predetermined depth release hole 442 is formed and is connected to the release hole 442 so that a larger diameter fixing hole 444 is formed and the fixing hole 444 is larger than the protrusion 353 / RTI >
The tubular fixing member 600 includes a unit housing 610 having a rectangular box shape and a knob mounting hole 620 is formed through the center of the front of the unit housing 610 and the knob mounting hole 620 Shaped spring fixing grooves 630 are formed on both sides of the rear surface of the unit housing 610 as symmetrical with respect to the radial direction and the angle adjusting knob 620 having a square surface 642 is formed in the knob setting hole 620, A ring fixing portion 646 having a stepped groove 644 is protruded from an end portion of the rectangular protrusion 642 protruding from the front end face of the square protrusion 642, A pair of leaf springs 650 are vertically spaced from each other across the knob installation hole 620 in the spring fixing groove 630. The angle adjusting knob 640 is inserted between the leaf springs 650, And the spacing between the pair of leaf springs 650 is set to be equal to the distance A square hole 662 is formed in the plate surface of the elastic piece fixing hole 660 so that the plate-like elastic piece fixing hole 660 is inserted into the square surface 642, Shaped tube fixing piece 664 for gripping the main digestion pipe 62 is integrally provided below the main body 660 and a washer 670 is inserted into the ring fixing portion 646 and is inserted from the knob setting hole 620 Wherein the snap ring 680 is engaged with the step groove 644 in a state where the angle adjusting knob 640 and the elastic piece fixing hole 660 are prevented from being detached and separated from each other.