KR101023934B1 - Apparatus for recovering remainder water of pump and pipe using in fire truck - Google Patents

Abstract

Residual water collection apparatus according to the present invention, in the residual water recovery apparatus for recovering the main pump and piping residual water of the fire engine to the water tank, the collection tank, and a collecting line for collecting the residual water of the main pump and the piping to the collection tank; And a return pipe connecting the water tank and the collection tank, and a return pump for applying pressure to the residual water collected into the collection tank and returning the residual water in the collection tank to the water tank.

When the residual water collection device according to the present invention is used, the residual water remaining in the main pump and the pipe can be recovered by the water tank even if the pressure inside the main pump and the pipe is low, and the residual water in the main pump and the pipe can be discharged without leaving. Therefore, it is possible to more reliably prevent damage and damage to the main pump and piping due to the residual water, and has the advantage of automating the residual water recovery.

Firefighting, Pump, Piping, Residue, Recovery, Collection Tank, Water Level Sensor

Description

Apparatus for recovering remainder water of pump and pipe using in fire truck}

The present invention relates to a residual water recovery device for recovering the residual water remaining in the pump and the pipe back to the water tank after the operation using the pump and the pipe of the fire truck, such as fire suppression work, and more particularly, remains in the pump and each pipe. The present invention relates to a residual water collection apparatus configured to recover a residual water more quickly and reliably.

In order to spray the water tank or the externally stored water at a high pressure, the fire truck is essentially provided with a water supply device for supplying water to the pump device and the pump and for spraying water at an increased pressure by the pump.

The waterproofing system of a conventional pump fire truck includes a water tank, a main pump for pressurizing and radiating water, and various piping serving as a flow path through which water moves. At this time, the pipe installed in the fire truck, the inlet pipe is installed so that the water can be injected into the water tank, the supply pipe is installed so that the water in the water tank to the main pump, the water resistant to the water by a strong pressure by the main pump Pipes, relays for receiving water from other fire trucks, absorption pipes for supplying external water to the main pump, self-supplied water pipes for sending water delivered by the main pump to the water tank, and external There is a maintenance pipe to fill the tank with water.

The waterproof system of the conventional pump fire engine is to supply the water in the water tank to the main pump through a supply pipe installed between the water tank and the main pump, and the main pump pressurizes the water supplied to the main pump to supply water through the waterproof pipes. Fire outside to extinguish fire. At this time, after the fire extinguishment, the water pressure and the residual water generated by the main pump are left in the main pump and the waterproof tube. When the residual water remains in the main pump and the waterproof tube, the waterproof tube is opened and closed. The remaining water pressure and residual water are sprayed to the outside, which may cause a safety accident to a vehicle or a person close to the waterproof tube, and there is a problem that the waterproof tube freezes due to the freezing of the residual water in the waterproof tube due to the low temperature in winter. The residual water in the waterproof tube remains for a long time, causing the waterproof tube to corrode.

In addition, there was a problem that the residual water remaining in the waterproof tube during the winter vehicle run out to the road surface to freeze the road surface, causing the ice accident of other vehicles.

In order to solve this problem, there has been proposed a residual water recovery device for recovering the residual water in the waterproof tube to the water tank.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the conventional residual water recovery apparatus.

1 is a perspective view of a conventional residual water recovery apparatus.

An inlet pipe 3 is installed at one side of the water tank 1 mounted on the fire engine to inject water into the water tank 1, and a predetermined distance from the water tank 1 at the front side of the water tank 1. When water is introduced into the spaced space, the main pump 2 for pressurizing and radiating water is installed. Between the main pump 2 and the water tank 1, the water in the water tank 1 is the main pump ( 2) The supply pipe is installed to be supplied into, the four sides of the main pump (2) is provided with a plurality of waterproof pipes (6) connected to the main pump (2).

At this time, in the conventional residual water recovery device, one side is coupled to the water pipe (6) pipe and the other side is coupled to the water tank 1 is installed, opening and closing to open and close the passage in the recovery tube (10) It is configured to include a valve (11).

At this time, the on-off valve 11 closes the waterproof tube 6 during the waterproofing operation, and after the waterproofing is finished, the watertight valve 6 remains in the main pump 2 and the waterproof tube 6 by opening the waterproof tube 6. Residual water and water pressure are to be recovered into the water tank (1). That is, the remaining water remaining in the main pump 2 and the waterproof pipe 6 is recovered to the water tank 1 through the recovery pipe 10 by the internal water pressure.

However, the conventional residual water collection apparatus configured as described above is configured to recover the residual water by using the water pressure remaining in the main pump 2 and the waterproof pipe 6, so that the main pump 2 and the waterproof pipe 6 are If the remaining water pressure is small, the residual water is not recovered well, and after the residual water in the main pump 2 and the waterproof pipe 6 is recovered to some extent, the main pump 2 and the waterproof pipe 6 inside When the pressure drops sharply, there is a disadvantage that a certain amount of residual water is always left at the bottom of the main pump 2 and the waterproof tube 6.

In addition, the fire truck has not only the waterproof pipe 6, but also various types of pipes such as a supply pipe, a relay pipe, an absorption pipe, a self-water supply pipe, and a maintenance pipe. Only recoverable, there is a problem that can not recover the remaining water of the remaining pipe.

The present invention has been proposed to solve the above problems, an object of the present invention is to provide a residual water recovery apparatus that can recover the residual water of the main pump and various pipes more quickly and effectively.

Residual water recovery apparatus according to the present invention for achieving the above object,

In the residual water recovery device for recovering the main pump and piping residual water of the fire truck to the water tank,

A collecting tank;

A collecting line for collecting the residual water of the main pump and the pipe into the collecting tank;

A return pipe connecting the water tank and the collecting tank;

A return pump for applying pressure to the residual water collected into the collection tank and returning the residual water in the collection tank to a water tank;

It is configured to include.

The collecting tank is located at a lower point than the main pump and the pipe.

It further comprises a water level sensor for measuring the residual water level in the collecting tank,

The return pump is operated to return the remaining water in the collecting tank to the water tank when the remaining water level in the collecting tank is equal to or higher than a set value.

The water level sensor further includes a full water level sensor for detecting whether the residual water in the water collection tank exceeds a set capacity, and a low water level sensor for detecting whether the residual water in the water collection tank is less than a set capacity.

The return pump returns the residual water of the collecting tank to the water tank until the residual water in the collecting tank is less than the predetermined capacity.

The collection tank is provided with a drain valve on the lower side.

The collecting line is provided with a collecting line on / off valve for opening and closing the collecting line at a portion connected to the collecting tank.

The collection line on / off valve is applied as a check valve so that the residual water in the collection tank does not flow back to the collection line.

The pipe includes an inlet pipe installed to inject water into the water tank, a supply pipe installed to supply water in the water tank to the main pump, a waterproof pipe waterproofing water at a high pressure by the main pump, and another fire truck. A relay pipe for receiving water from the field, an absorption pipe for supplying external water to the main pump, a water supply pipe for sending water received by the main pump to the water tank, and a water tank with external water. At least one of the conduit for filling.

An outer end of the pipe is provided with a pipe opening and closing valve, the collecting line is connected to the pipe opening and closing valve.

When the residual water collection apparatus according to the present invention is used, the residual water remaining in the main pump and the pipe can be recovered by the water tank even if the pressure inside the main pump and the pipe is low, and the residual water of the main pump and the pipe can be discharged without leaving. Since it can be more reliably prevented damage and damage to the main pump and piping by the residual water, there is an advantage that can be automated.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the residual water recovery apparatus according to the present invention.

2 is a schematic diagram of a residual water collection apparatus according to the present invention.

Residual water recovery device according to the present invention is a device for recovering the residual water remaining in the main pump 200 and the various pipes 300 to which the water moves to the water tank 100, the main pump 200 and various pipes A water collecting tank 600 for collecting the residual water of the primary 300, and one end is connected to the main pump 200 and the pipe 300 and the other end is connected to the water collecting tank 600 to the main pump 200 And a collecting line 500 for guiding the residual water of the pipe 300 to the collecting tank 600, a return pipe 700 connecting the water tank 100 and the collecting tank 600, and the collecting tank 600. And a return pump 800 for returning the residual water in the collecting tank 600 to the water tank 100 by applying pressure to the residual water collected into the tank.

As described above, the residual water collection apparatus according to the present invention does not directly collect the water in each pipe 300 into the water tank 100, but collects the water in the collection tank 600 first and then uses a separate motor pump. The greatest feature is that it recovers to (100).

The conventional residual water collection apparatus shown in FIG. 1 is configured to directly collect the residual water in the waterproof tube 6 into the water tank 1 by using the pressure in the waterproof tube 6, When the pressure is low, there is a disadvantage in that all the residual water in the waterproof tube 6 cannot be recovered by the water tank 1. In addition, when the inside of the waterproof tube 6 is completely filled with residual water, at least part of the residual water of the waterproof tube 6 can be recovered by the water tank 1, but when the amount of the residual water is small, that is, the residual water is a waterproof tube ( 6) If it is laid only on the bottom of the inside, the residual water cannot be recovered to the water tank (1) at all.

However, the residual water collection apparatus according to the present invention does not directly pull up the residual water in the pipe 300 and directly collect the residual water in the water tank 100, and discharge the remaining water in the pipe 300 into the collection tank 600 and then separate it. It is configured to recover to the water tank 100 using the return pump 800, there is an advantage that the residual water can be reliably recovered to the water tank 100 even when the internal pressure of the pipe 300 is small. In addition, when the residual amount in the pipe 300 is small, it is difficult to apply pressure to the residual water to be recovered to the water tank 100, but the residual water in each of the pipes 300 is collected in the collection tank 600 as in the residual water collection device according to the present invention. When collected, the remaining amount is ensured to some extent, and there is an advantage in that the operation of recovering the residual water is possible by applying pressure to the residual water by using the return pump 800.

In addition, as the pipe 300 provided in the fire truck, an inlet pipe installed to inject water into the water tank 100, and a supply pipe 310 installed to supply water in the water tank 100 to the main pump 200. ), A waterproof pipe 320 which is waterproofed with strong pressure by the main pump 200, a relay pipe 330 for receiving water from other fire trucks, and external water to the main pump 200. Water absorption pipe 340 for supplying, the self-water supply pipe 350 for sending the water received by the main pump 200 to the water tank 100, and repair for filling the water tank 100 with external water Tube 360 and the like. Each of the pipes 300 is different in use, but since water is transferred to the inside, residual water may be generated therein.

At this time, since the relatively high internal pressure may be generated in the waterproof pipe 320 or the self-water supply pipe 350, the residual water of the waterproof pipe 320 or the self-water supply pipe 350 is recovered to some extent even when using the conventional residual water recovery device structure. Although it can be made, there is a problem that the residual water of the other pipe 300 that does not generate the internal pressure cannot be recovered. On the other hand, the residual water collection apparatus according to the present invention is configured to collect the residual water of each pipe 300 in the collection tank 600 and then recover the water to the water tank 100, the internal pressure does not occur piping There is an advantage that can be recovered to the water tank 100 to the residual water of (300).

In addition, the collection tank 600 is lower than the main pump 200 and the pipe 300 so that the residual water of each pipe 300 can be discharged to the collection tank 600 by its own weight without a separate driving means. Preferably located at. Of course, a separate collection pump may be further provided to allow the residual water of each pipe 300 to be discharged to the collection tank 600 more reliably.

The remaining water collected in the collecting tank 600 may be recovered to the water tank 100 by the user operating the return pump 800, but when the inside of the collecting tank 600 is filled with the remaining water, the return pump 800 may be automatically operated to recover the residual water to the water tank (100).

In this way, the remaining water recovery apparatus according to the present invention further comprises a water level sensor for measuring the remaining water level in the water collecting tank 600, the return pump 800 is the water collecting tank 600 When the residual water level in the c) is greater than or equal to the set value, the residual water in the collecting tank 600 is returned to the water tank 100. Therefore, when the residual water collection apparatus according to the present invention is used, it is necessary to check whether the residual water is full in the collecting tank 600 and not automatically drive the return pump 800, so that the remaining water in the collecting tank 600 is automatically transferred to the water tank 100. ) Has the advantage of being able to recover.

At this time, if the return pump 800 is continuously operated in a state in which there is little remaining water in the collection tank 600, not only the residual water is introduced into the return pump 800, but air is also introduced together, the return pump 800. ) May be damaged.

In order to solve such a concern, the water level sensor detects whether the remaining water level sensor 910 and the remaining water in the collecting tank 600 are less than the set capacity to detect whether the remaining water in the collecting tank 600 exceeds the set capacity. It is configured to include a low water level sensor 920, the return pump 800 waters the remaining water of the collecting tank 600 until the remaining capacity in the water collecting tank 600 is less than the set capacity It may be configured to return to the tank 100. At this time, the measurement signal of the high water level sensor 910 and the low water level sensor 920 is transmitted to the control unit 900, the control unit 900 operates and stops the return pump 800 based on the received measurement signal To control.

When the water level sensor and the return pump 800 are configured as mentioned above, when the level of the residual water in the collection tank 600 is lowered, that is, the amount of remaining water in the collection tank 600 is small, the air is returned to the return pump 800. If there is a risk of inflow, since the return pump 800 is automatically stopped, the damage of the return pump 800 may be reduced. In addition, when the return pump 800 is configured to stop automatically, there is an advantage that can be unnecessary waste of power.

When the residual water level in the collecting tank 600 is lower than the point where the low water level sensor 920 is mounted, the return motor is stopped. Therefore, the residual water that is laid on the bottom of the collecting tank 600 is transferred to the water tank 100. Although not recovered, a drain valve 610 may be provided on the bottom surface of the collecting tank 600 to discharge the residual water laid on the bottom of the collecting tank 600 to the outside of the collecting tank 600. The drain valve 610 not only discharges residual water that cannot be returned to the return pump 800 to the outside of the collecting tank 600, but also discharges various foreign substances introduced into the collecting tank 600 to the outside. do.

The return pipe 700 may be directly coupled to the water tank 100 to discharge the residual water, and one end thereof may be connected to the supply pipe 310 inserted into the water tank 100 as shown in the present embodiment. It may be. When the return pipe 700 is directly coupled to the water tank 100, there is an advantage that the residual water can be more reliably delivered to the water tank 100, but through-holes for coupling the return pipe 700 to the water tank 100 There is a risk that the water tank 100 is damaged in the process of forming a), the length of the return pipe 700 is long.

On the contrary, when the return pipe 700 is connected to the supply pipe 310, a large amount of power is required to return the residual water to the water tank 100, but the pipe 300 of the return pipe 700 is simplified. There is an advantage. That is, when the return pipe 700 is configured to be connected to the supply pipe 310 as shown in the present embodiment, there is an advantage that the operation of installing the residual water collection device according to the present invention in a conventional fire truck becomes very simple. In this case, a check valve 710 is additionally installed at a portion where the return pipe 700 is connected to the supply pipe 310 so that the residual water delivered into the supply pipe 310 is not flowed back to the return pipe 700. desirable.

In addition, the collecting line 500 may be opened only when recovering the residual water of the main pump 200 and the pipe 300, the collecting line 500 is connected to the collecting tank 600. A collecting line on / off valve 510 for opening and closing the collecting line 500 is provided. At this time, in the process of flowing water into the collection tank 600 through the collecting line 500, the collection line on-off valve 510 is so that the water of the collecting tank 600 does not flow back to the collecting line 500. Preferably applied as a check valve.

The outer end of the pipe 300 is provided with a pipe opening and closing valve 400 for opening and closing the pipe 300 and the connection of the fire hose, when the collection line 500 is connected to each pipe 300, the pipe opening and closing valve ( It is not possible to recover the remaining water remaining in the bar 400, when the pipe opening and closing valve 400 is provided at the outer end of the pipe 300, the collecting line 500 is preferably connected to the pipe opening and closing valve 400 Do.

As mentioned above, although this invention was demonstrated in detail using the preferable embodiment, the scope of the present invention is not limited to a specific embodiment, Comprising: It should be interpreted by the attached Claim. In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

1 is a perspective view of a conventional residual water recovery apparatus.

2 is a schematic diagram of a residual water collection apparatus according to the present invention.

<Description of the symbols for the main parts of the drawings>

100: water tank 200: main pump

300: piping 400: piping opening and closing valve

500: collecting line 600: collecting tank

700: return pipe 800: return pump

900: control unit

Claims (9)

In the residual water recovery apparatus for recovering the residual water of the main pump 200 and the pipe 300 of the fire engine to the water tank 100, A collecting tank 600; A water collecting line 500 for collecting the residual water of the main pump 200 and the pipe 300 into the water collecting tank 600; A return pipe 700 connecting the water tank 100 and the collecting tank 600; A return pump 800 for applying pressure to the residual water collected into the collecting tank 600 to return the residual water in the collecting tank 600 to the water tank 100; Residual water recovery device characterized in that comprises a. The method of claim 1, The collection tank 600 is a residual water recovery device, characterized in that located at a lower point than the main pump 200 and the pipe (300). The method of claim 1, Further comprising a water level sensor for measuring the remaining water level in the collecting tank 600, The return pump (800), the residual water recovery apparatus, characterized in that it is operated to return the residual water in the collecting tank (600) to the water tank (100) when the residual water level in the collecting tank (600) is more than a set value. The method of claim 3, The water level sensor includes a low water level sensor 910 for detecting whether the residual water in the water collection tank 600 exceeds a set capacity, and a low water level sensor 920 for detecting whether the residual water in the water collection tank 600 is less than a set capacity. Including more, The return pump 800, when the residual water in the collecting tank 600 exceeds the set capacity, characterized in that for returning the residual water of the collecting tank 600 to the water tank 100 until it is less than the set capacity. Residual water recovery device. The method of claim 1, The collection tank 600 is a residual water recovery device, characterized in that the drain valve 610 is provided on the lower side. 6. The method according to any one of claims 1 to 5, The collection line (500) is a residual water collection device, characterized in that the collection line opening and closing valve (510) for opening and closing the collection line (500) is provided at a portion connected to the collection tank (600). The method of claim 6, Retaining water collection device, characterized in that the collection line on-off valve (510) is applied as a check valve so that the residual water in the collecting tank (600) does not flow back to the collecting line (500). 6. The method according to any one of claims 1 to 5, The pipe 300 is, Inlet pipe installed to inject water into the water tank 100, supply pipe 310 is installed so that the water in the water tank 100 to the main pump 200, and a strong pressure by the main pump 200 Water-proof pipe 320 is waterproof to the water, the relay pipe 330 for receiving water from other fire trucks, the absorption pipe 340 for supplying the external water to the main pump 200, and the main pump It includes any one or more of the self-water supply pipe 350 for sending the water received by the pressure 200 to the water tank 100, and the maintenance pipe 360 for filling the water tank 100 with external water Residual water recovery device characterized in that. 6. The method according to any one of claims 1 to 5, The outer end of the pipe 300 is provided with a pipe opening and closing valve 400, the collection line 500 is residual water recovery device, characterized in that connected to the pipe opening and closing valve 400.

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