JP2008119196A - Water intake device of fire preventing water tank - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable fire fighting by inserting a water intake hose of a fire-fighting pump into a fire preventing water tank if water facilities freeze in a severe winter period. <P>SOLUTION: Freezing of the inner parts of water intake pipes 7, 8 are prevented by mounting the water intake pipes 7, 8 on the fire preventing water tank 1 in advance and by detachably inserting blocking members 15, 16 into the water intake pipes 7, 8 to prevent water from getting in the water intake pipes 7, 8. As a result, if ice 21 forms inside the fire preventing water tank 1, a water intake hole for the fire-fighting pump is kept. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a water intake device for inserting a water intake hose of a fire fighting pump into a water tank so that fire extinguishing activities can be performed even when thick ice is stretched in a fireproof water tank in a severe cold season.

  Municipalities throughout the country have fire prevention water tanks (firefighting water) to secure water for extinguishing fires. Since such a fire prevention water tank is usually outdoors, thick ice is spread over the fire-fighting water in the water tank in the severe cold season. For this reason, when a fire breaks out, fire brigade members and firefighters break ice with pickaxes or pierce the ice with a horuseau cutter, but if the ice is thin anyway, depending on the region, Since the thickness can be as high as 30 to 40 cm, it takes labor and time to break this ice and make a hole, and there is a problem that it is very confusing in an emergency that contends for 1 second.

  However, at present, no measures are taken to prevent freezing of fire water in the fire prevention water tank. Therefore, in view of such a current situation, Japanese Patent Application Laid-Open No. 10-059050 discloses that “a water heater having a special earthquake-resistant structure is attached to a vehicle in order to defrost frozen firefighting water supply, particularly by attaching it to an emergency vehicle. It consists of a base and a water heater body. An electric heater is built in the water heater body and natural stones such as obsidian are immersed, and the water heater body is attached to the base with a vibration absorbing material interposed. Things "have been proposed.

However, even if the hot water generated in this water heater is applied to the fire fighting irrigation water, it takes time to melt the thick ice and secure a hole. is not.
In particular, such a water heater can be loaded on a fire engine, but it is difficult to keep it in a fire brigade organized by local residents and a fire pump car used by the fire brigade.
For this reason, pickles or horusoe cutters for breaking ice are essential during the severe cold season (freezing season), but it may take 5 to 10 minutes to make a hole. In some cases, it is expensive and cannot be maintained by the municipal fire brigade.

  The present invention is provided in view of the conventional example as described above, and an object thereof is to provide a device that can immediately take out water and perform a fire extinguishing activity even if ice is applied to the fire prevention water tank. It is.

In order to achieve the above object, in the invention described in claim 1, in a water intake device for a fire prevention water tank that secures the use of fire water by inserting a water intake hose of a fire fighting pump into the water tank when the fire prevention water tank is frozen A water intake pipe for inserting the water intake hose of the fire pump toward the bottom of the fire prevention water tank from the block body formed by attaching a fixing means for fixing to the edge of
A closure member for preventing water from entering and freezing from the tip of the water intake pipe is detachably incorporated in the pipe;
It is characterized by.

  Furthermore, in the invention described in claim 2, in the water intake device in the fire prevention water tank described in claim 1, a handle is attached to the upper end of the blocking member, and the blocking member is removed from the water pipe using the handle. It is constructed so that it can be pulled up from the inside or reinserted into the intake pipe.

  Furthermore, in invention of Claim 3, in the water intake device in the fire prevention water tank of Claim 1 or 2, what has a different diameter is attached to the intake pipe of the block body, and the diameter of the intake hose It is characterized by being configured so that it can be used in accordance with.

  Furthermore, in the invention described in claim 4, in the water intake device in the fire prevention water tank described in claim 1, 2 or 3, the intake pipe is a hard vinyl chloride pipe, and the closing member is a polystyrene foam. It is what.

  Further, according to the invention described in claim 5, in the water intake device in the fire prevention water tank, the intake pipe is built in the fire prevention water tank from the top to near the bottom of the water tank, and detachable from the outside on the tip side of the water intake pipe. By incorporating the closing member, the water intake pipe is designed to prevent fire water from entering the intake pipe and freezing the intake pipe.

  Further, the invention described in claim 6 is characterized in that in the water intake device in the fire prevention water tank described in claim 5, a hard vinyl chloride pipe is used for the water intake pipe.

  Furthermore, in invention of Claim 7, in the water intake apparatus in the fire prevention water tank of Claim 5 or 6, the said intake pipe is attached to the pipe attachment edge built in the fire prevention water tank wall at the time of construction of a fire prevention water tank. It is characterized by.

  Furthermore, in the invention described in claim 8, in the water intake device in the fire prevention water tank, the heat insulating material is filled between the inner and outer pipes of the water intake pipe composed of a double pipe fixed to the edge of the fire prevention water tank. A lid is detachably attached to the upper end opening.

  Furthermore, in the invention according to claim 9, in the water intake device in the fire prevention water tank, the water intake hole that retains the expanded state by being filled with gas or liquid and contracts by discharging the gas or liquid. The forming member is assembled in a fireproof water tank.

According to the first to eighth aspects of the present invention, even if ice is spread in the fire prevention water tank, the fire hose of the fire pump can be immediately inserted into the fire prevention water tank for fire fighting activities.
Further, according to the invention described in claims 1 to 4, by inserting a blocking member made of foamed polystyrene or the like into the intake pipe inserted into the fire prevention water tank, the water level is frozen up to the level frozen in the intake pipe. Will not freeze, so the intake pipe will not freeze. As a result, when the blocking member is pulled out from the water intake pipe, an insertion port for the water intake hose is secured in the water intake pipe. Therefore, you can start fire fighting activities immediately in case of emergency.
Moreover, according to invention of Claims 1-8, an apparatus can be attached to a fire prevention water tank at low cost.
Moreover, according to invention of Claim 5 and 6, a water intake device can be installed at the time of construction of a fire prevention water tank.
According to the invention described in claim 7, an arbitrary number of water intake holes can be secured by arbitrarily increasing the number of water intake pipes.

  An embodiment corresponding to the invention described in claims 1 to 4 will be described in detail with reference to FIGS. 1 is an external view of a fire prevention water tank equipped with a water intake device according to the present invention, FIG. 2 is a plan view of the fire prevention water tank, FIG. 3 is a side view of the fire prevention water tank, FIG. 4 is a sectional view of the water intake apparatus, and FIG. It is explanatory drawing of the state which has inserted the water intake hose of the pump in the fire-resistant water tank with which ice was stretched, and is taking water.

Reference numeral 1 is a concrete fireproof water tank constructed on the ground, 2 is a wire mesh installed so as to surround the fireproof water tank 1, 3 is a needle wire, and 4 is an entrance door.
A water intake device 5 is fixed to the edge 1a of the fire prevention water tank 1 in the vicinity of the doorway door 4. The water intake device 5 has a rectangular block body 6 made of styrene foam and an upper end on the block body 6. Two supported intake pipes 7 and 8 made of hard vinyl chloride pipe, a support stay 9 (FIG. 3) for supporting the front end side of the block body 6 by the wall of the fire prevention water tank 1, and a fire prevention of the block body 6 It comprises an inverted L-shaped metal fitting 10 for being fixed so as to be hooked on the edge 1a of the water tank 1.
In the case of the present embodiment, two intake pipes 7 and 8 having different diameters are attached, but this is intended to correspond to the pumping (pumping) capacity of the pump. But it ’s okay. Or you may make it provide three or more intake pipes so that it can respond when there are two or more fire pumps, and this number is not limited in the present invention.

Reference numerals 11 and 12 denote lids for closing the inlets 13 and 14 of the intake pipes 7 and 8 of the block body 6, and the lids 11 and 12 are directed toward the front end side in the intake pipes 7 and 8. When the closure members 15 and 16 are incorporated and pulled up with the grips 17 and 18, the lids 11 and 12 and the closure members 15 and 16 are pulled up together from the intake pipes 7 and 8 and the intake pipes 7 and 8. It can penetrate inside.
The closing members 15 and 16 may be inserted so as to reach the tips of the intake pipes 7 and 8, but the depth in the fire prevention water tank 1 is usually 1.5 to 2 m, and the thickness of the ice is up to this depth. Since it does not advance, it is not necessary to insert it so that it may reach the tip of the intake pipes 7 and 8. In other words, there is no worry that firefighting water can enter the intake pipes 7 and 8 at a depth that does not freeze.

The water intake device 5 may remain installed in the fire prevention water tank 1 all year round, but in consideration of maintenance, etc., it may be installed only in the severe cold season and may be withdrawn and stored in other seasons. good.
As shown in FIG. 5, when the severe cold season has come and the fire water irrigation water 20 in the fire prevention water tank 1 is frozen as shown in FIG. If the lids 11 and 12 and the closing members 15 and 16 are lifted from the water pipes 7 and 8 by placing the hands on the handles 17 and 18, the water intake pipes 7 and 8 pass through, and the water intake hose 22 is inserted therein. And firefighting water supply 20 can be used.
When the fire extinguishing activity is over, the closing members 15 and 16 and the lids 11 and 12 are inserted into the water pipes 7 and 8 again as shown in FIG. 4 to prepare for the next emergency fire.

Based on FIG. 6, FIG. 7, the Example of the invention described in Claims 5-7 is explained in full detail. In the present invention, the block body 6 of the first embodiment is omitted, and the intake pipes 7 and 8 are directly attached to the horizontal edge 1b of the fire prevention water tank 1 as shown in FIG. 6, or as shown in FIG. This is an example in which the water intake pipes 7 and 8 are directly attached to the edge 1a using In the second embodiment, the closing members 15 and 16 are cases connected to the lids 11 and 12 by shafts 27 and 28, and the closing members 15 and 16 are made of polystyrene foam.
In the first embodiment, the blocking members 15 and 16 in the block body 6 and the first and second embodiments are made of foamed polystyrene in consideration of the cost. However, if the material does not freeze, it is made of, for example, rubber. Also good.

  The third embodiment corresponds to the invention described in claim 8, and as shown in FIGS. 8 and 9, a heat insulating material such as polystyrene foam 7a, 8a is provided between the double-pipe water intake pipes 7, 8. Filling and closing the opening at the upper end with the lids 11 and 12 prevents freezing in the intake pipes 7 and 8, thereby securing an insertion space for the intake hose 22 in the intake pipes 7 and 8. This is an example.

  The fourth embodiment corresponds to the invention described in claim 9, and as shown in FIG. 10, the water intake hole forming member 24 in which the bag body 24 is filled with a liquid 25 such as compressed gas or antifreeze is fire-proofed. The water intake hole is secured in the water tank 1 by removing the gas or liquid from the inside of the water intake hole forming member 24 from the filling port 26 and contracting it.

Perspective view of fire prevention water tank Top view of fire prevention tank Cross section of fire tank Cross section of water intake device Explanatory diagram when performing fire extinguishing activities using water intake equipment Explanatory drawing of the state where the water intake device according to the present invention is directly attached to the horizontal edge of the fire prevention water tank Explanatory drawing of the state attached using a metal fitting so that the intake pipe is hooked on the edge of the fire prevention water tank Explanatory drawing of the heat insulation pipe type water intake device of Example 3 CC 'sectional view Explanatory drawing of the balloon type water intake device of Example 4

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Fire prevention water tank 6 Block body 7, 8 Intake pipe 11, 12 Lid | 15,16 Closure member

Claims (9)

Attaching a water intake pipe for inserting the intake hose of the fire pump toward the bottom in the fire prevention water tank downward from the block body formed by attaching a fixing means for fixing to the edge of the fire prevention water tank,
A closure member for preventing water from entering and freezing from the tip of the water intake pipe is detachably incorporated in the pipe;
A water intake device in a fire prevention water tank that secures the use of fire water by inserting a water intake hose of a fire pump into the water tank when the fire prevention water tank is frozen.   A handle is attached to the upper end of the closing member, and the closing member can be pulled up from the inside of the water pipe or reinserted into the water intake pipe by using this handle. The water intake apparatus in the fire prevention water tank of description.   3. The fire prevention water tank according to claim 1 or 2, wherein the intake pipe of the block body is attached with different diameters and can be used according to the diameter of the intake hose. Water intake equipment.   The water intake device in a fire prevention water tank according to claim 1, wherein the water intake pipe is a hard vinyl chloride pipe, and the closing member is a polystyrene foam.   A water intake pipe is built in the fire prevention water tank from above to near the bottom of the water tank, and by incorporating a closing member that is detachable from the outside at the leading end of the water intake pipe, fire water enters the water intake pipe. A water intake device in a fire prevention water tank, characterized in that the pipe is designed not to freeze.   The water intake device in the fire prevention water tank according to claim 5, wherein a hard vinyl chloride pipe is used as the water intake pipe.   The water intake device in the fire prevention water tank according to claim 5 or 6, wherein the water intake pipe is attached to a pipe mounting edge constructed on the wall of the fire prevention water tank at the time of construction of the fire prevention water tank.   A water intake device in a fire prevention water tank in which a heat insulating material is filled between inner and outer pipes of a double pipe fixed to the edge of the fire prevention water tank, and a lid is detachably attached to the upper end opening of the water intake pipe.   A water intake device in a fire prevention water tank in which a water intake hole forming member that retains a bulging state by being filled with gas or liquid and contracts by discharging the gas or liquid is assembled in the fire prevention water tank.

Images