JP5457229B2 - Fire pump device - Google Patents

Description

  The present invention relates to a fire extinguishing pump device for supplying water to a sprinkler provided in preparation for a fire of a building or the like.

  The fire extinguishing pipes and pressure tanks that supply water to a large number of sprinklers of the above-described fire extinguishing pump device are normally filled with water when not in use, and the pressure tanks are filled with air in order to maintain the pressure. However, due to causes other than the occurrence of a fire, the water and air in the fire extinguisher may naturally decrease over a long period of time, or the pressure may decrease due to water leakage due to metal corrosion of piping and the like.

  When the pressure in the fire pipe decreases, the pressure in the fire pipe decreases to the fire pump start pressure, and the fire pump operates. Fire extinguishing pumps can trigger fire alarms on site, which can cause confusion. In order to prevent such a malfunction, the auxiliary pressurizing pump device is installed separately from the fire pump as shown in Patent Document 1 for the purpose of maintaining the pressure in the fire pipe reasonably without operating the fire pump. Has been.

Utility Model Registration No. 3003174

The conventional fire extinguishing pump device provided with the auxiliary pressurizing pump device as described above has the following problems.
・ Since the fire extinguishing pump device and the auxiliary pressure pump device are installed separately, each installation space is required.
・ Since the fire extinguishing pump device and the auxiliary pressurization pump device are loaded with a water basin for water supply, it is necessary to provide a water source individually, and each control panel also has an individual control panel for operation control and water level control. Must be provided.

・ After installing the fire extinguishing pump device and auxiliary pressure pump device, it is necessary to wire and connect between both devices.
-A pressure switch for the fire pump and an auxiliary pressure pump are provided on the secondary side of the check valve of the discharge pipe, and the auxiliary pressure pump is started for the pressure value at which the fire pump is started (ON) ( It is necessary to set the pressure value to be ON higher. The pressure switch can only set the differential pressure between ON and OFF pressure values, and each pump needs a pressure switch.

  The present invention has been made in view of the above points, and the installation space of the entire apparatus can be small, and it is necessary to provide an expelling tank, a control panel, etc. in both the fire extinguishing pump apparatus and the auxiliary pressurizing pump apparatus. It is an object of the present invention to provide a fire extinguishing pump device in which the fire extinguishing pump device and the auxiliary pressurizing pump device are integrated without the need for wiring and piping in both devices after the installation of the auxiliary pressurizing pump device.

In order to solve the above-described problems, the present invention provides a fire extinguishing pump in which a suction pipe and a discharge pipe are connected on a base, an electric motor that drives the fire extinguishing pump, and a priming water tank that contains the priming water of the fire extinguishing pump. , And control the operation of the expiratory water pipe for guiding the water of the expelled water tank to the discharge pipe, the check valve provided in the middle of the discharge pipe, the pressure tank connected to the secondary side of the check valve, and the fire pump A fire fighting pump device in which a control panel is arranged on a base , a discharge pipe is connected to a sprinkler, a fire extinguishing pump is activated in the event of a fire, and water is supplied to the sprinkler from a fire extinguishing water tank different from the expiratory water tank , On the base, an auxiliary pressurizing pump device having an auxiliary pressurizing pump connected to the secondary side of the check valve is provided, and the expiratory water tank on the base is shared by the auxiliary pressurizing pump and the fire extinguishing pump. Capable of securing the amount of expiratory water necessary for starting Characterized in that it comprises a.

Further, the present invention provides the above-described fire pump apparatus, wherein a partition plate is provided in the expiration water tank, one of the partitions divided by the partition plate is used as the expiration water tank for the fire suppression pump, and the other is the expiration water tank for the auxiliary pressurization pump characterized by a.

Further, the present invention provides the above-described fire pump device, wherein the auxiliary pressurizing pump expiratory hole for connecting the auxiliary pressurizing pump expiratory pipe is provided on the side wall of the auxiliary pressurizing pump expelling tank. Each side wall is provided with a fire pump pump water hole for connecting a fire pump pump water pipe .

Moreover, the present invention is characterized in that, in the above-described fire pump device, the partition plate has a height capable of ensuring a water amount necessary for the fire pump to draw in the fire tank for the fire pump .

Moreover, the present invention provides an electrode for an auxiliary pressurizing pump to which a plurality of electrode rods for detecting the water level of the auxiliary pressurizing pump water tank are connected, and an extinguishing pump expiratory water pump. An electrode for a fire extinguishing pump to which a plurality of electrode rods for detecting the water level are connected is provided in the upper part of the expiration water tank .

Moreover, the present invention is characterized in that, in the fire pump device, the auxiliary pressurizing pump of the auxiliary pressurizing pump device is soaked in the expiratory water tank .

Moreover, the present invention is the above-described fire pump apparatus, wherein the expiratory tank is disposed on the expelling tank mount disposed on the base, and the auxiliary pressurizing pump apparatus is located below the expelling tank. It is arrange | positioned on a mount frame, It is characterized by the above-mentioned.
Further, the present invention is the above-described fire pump device, wherein the auxiliary pressurizing pump device is mounted on the auxiliary pressurizing pump device stand provided such that the expiration water tank stand is extended to the fire pump side or the motor side. It is characterized by.

In addition, the present invention provides a fire pump and auxiliary pressurization for the fire pump, in any one of the discharge pipe of the fire pump, the discharge pipe of the auxiliary pressurization pump, the pressure tank, and the pipe on the secondary side from the check valve. It is characterized in that a pressure detection means serving both as a pump is provided .
Moreover, the present invention is characterized in that, in the fire pump apparatus, the pressure detecting means is a pressure sensor.

Further, the present invention provides the above-described fire-extinguishing pump device, wherein an auxiliary pressurizing pump expiratory pipe for supplying expiratory water to the auxiliary pressurizing pump is provided at the upper part of the side wall of the expiratory tank , and the expiratory water is supplied to the fire pump at the lower part of the side wall. A fire extinguishing pump supply pipe for supplying water is provided .
Further, the present invention is characterized in that, in the fire pump apparatus, the control panel is shared by the auxiliary pressurization pump and the fire pump.

Further, according to the present invention, in the above-mentioned fire extinguishing pump device, one water level sensor for detecting the water level in the expiration tank is provided, and one water level sensor is provided for both the water level sensor for the fire extinguishing pump and the water level sensor for the auxiliary pressurizing pump. characterized in that it also serves as.
Further, the present invention provides the above-described fire-extinguishing pump device, wherein an auxiliary pressurizing pump expiratory pipe for supplying expiratory water to the auxiliary pressurizing pump is provided at the upper part of the side wall of the expiratory tank, and the expiratory water is supplied to the fire pump at the lower part of the side wall. A fire extinguishing pump supply pipe for supplying water is provided.

The present invention provides an auxiliary pressurizing pump device having an auxiliary pressurizing pump connected to the secondary side of the check valve on the base, and the expelling tank on the base includes an auxiliary pressurizing pump and a fire extinguishing pump. Since it has a capacity that can secure the amount of expiratory water required for starting the fire extinguishing pump, there is no need to install a fire extinguishing pump device and an auxiliary pressurizing pump device separately, and only one expiratory tank is required. The entire pump device can be miniaturized and the installation space is reduced. Moreover, the need for wiring and piping between the auxiliary pressurization pump device and the auxiliary pressurization pump device is eliminated after the installation of the fire pump device.

  In addition, the present invention also immerses the pump part of the auxiliary pressurizing pump device in the expelling water tank, places the auxiliary pressurizing pump device on the auxiliary pressurizing pump device frame located below the expelling water tank or the expelling water tank frame on the fire pump side or Since it mounted on the auxiliary | assistant pressurization pump apparatus stand provided so that it extended or extended to the electric motor side, the whole fire-extinguishing pump apparatus can be reduced in size.

  Further, according to the present invention, the expiratory tank serves as both the expiratory pump expelling tank and the auxiliary pressurizing pump expelling tank, so only one expiratory tank is required.

  In the present invention, a partition is provided in the expiration water tank, and one of the partitions divided by the partition is used as an expiration water tank for a fire extinguishing pump, and the other is used as an expiration water tank for an auxiliary pressure pump. Just do it.

  In addition, the present invention provides one water level sensor for detecting the water level in the water tank, and one water level sensor serves as both a water level sensor for a fire extinguishing pump and a water level sensor for an auxiliary pressurizing pump. Can be reduced.

  In addition, the present invention provides an auxiliary pressurizing pump expiratory pipe at the upper part of the side wall of the expelling tank, and a fire extinguishing pump expiratory pipe at the lower part of the side wall. Even if it becomes impossible to exhale to the auxiliary pressurizing pump, the amount of exhalation necessary for exhalation of the fire pump can be secured in the exhalation tank.

  In addition, the present invention provides a fire pump and auxiliary pressurization for the fire pump, in any one of the discharge pipe of the fire pump, the discharge pipe of the auxiliary pressurization pump, the pressure tank, and the pipe on the secondary side from the check valve. By providing the pressure detection means that serves both as the pump, the number of pressure detection means such as pressure sensors can be reduced.

FIG. 1 is a front view showing a configuration example of a fire pump device according to the present invention. FIG. 1 is a plan view showing a configuration example of a fire pump device according to the present invention. FIG. 1 is a left side view showing a configuration example of a fire pump device according to the present invention. FIG. 1 is a right side view showing a configuration example of a fire pump device according to the present invention. FIG. 2 is a view for explaining the operation of the fire pump device according to the present invention. FIG. 3 is a front view showing a configuration example of the fire pump device according to the present invention. FIG. 3 is a plan view showing a configuration example of the fire pump device according to the present invention. FIG. 3 is a left side view showing a configuration example of a fire pump device according to the present invention. FIG. 3 is a right side view showing a configuration example of the fire pump device according to the present invention. FIG. 4 is a front view showing a configuration example of a fire pump device according to the present invention. FIG. 4 is a plan view showing a configuration example of a fire pump device according to the present invention. FIG. 4 is a left side view showing a configuration example of the fire pump device according to the present invention. FIG. 4 is a right side view showing a configuration example of the fire pump device according to the present invention. FIG. 5 is a front view showing a configuration example of the fire pump device according to the present invention. FIG. 5 is a plan view showing a configuration example of a fire pump device according to the present invention. FIG. 5 is a left side view showing a configuration example of a fire pump device according to the present invention. FIG. 5 is a right side view showing a configuration example of the fire pump device according to the present invention. FIG. 6 is a front view showing a configuration example of the fire pump device according to the present invention. FIG. 6 is a plan view showing a configuration example of a fire pump device according to the present invention. FIG. 7 is a diagram showing a configuration example of the expiratory tank of the fire pump device according to the present invention. FIG. 8 is a diagram showing a configuration example of the expiratory tank of the fire pump device according to the present invention. FIG. 9 is a diagram showing a configuration example of the expiratory tank of the fire pump device according to the present invention. FIG. 10 is a diagram showing a configuration example of the expiratory tank of the fire pump device according to the present invention. FIG. 11 is a diagram showing a configuration example of the pressure detecting means of the pressure tank of the fire pump device according to the present invention.

  Hereinafter, embodiments of the present invention will be described in detail. FIG. 1 is a diagram showing a configuration example of a fire pump device according to the present invention, FIG. 1 (a) is a front view, FIG. 1 (b) is a plan view, FIG. 1 (c) is a left side view, and FIG. ) Is a right side view. In the present fire pump apparatus 10, a pressure tank 12, a fire pump 14, and an electric motor 15 that drives the fire pump 14 are disposed on a base 11. The fire pump 14 is provided with a suction port 14a to which a fire pump suction pipe (not shown) is connected, and a discharge port 14b to which a fire pump discharge pipe 18 is connected. The motor 15 is activated to turn off the fire pump 14 During operation, water sucked from the suction port 14a is discharged from the discharge port 14b to the fire pump and discharged to the pipe 18. 1 to 6, the parts denoted by the same reference numerals indicate the same or corresponding parts.

  A fire extinguisher pipe for supplying water to a number of sprinklers (not shown) via a fire pump check valve 20, a pressure tank connecting short pipe 22, a flexible pipe 23, and a gate valve 25 is connected to a fire pump discharge pipe 18. (Not shown) is connected. The pressure tank connecting short pipe 22 and the pressure tank 12 are connected by a pressure tank pipe 27 so that the internal pressure of the fire extinguishing pipe is maintained at the pressure in the pressure tank 12.

  Reference numeral 30 denotes a basin tank, and the basin tank 30 is supported (placed) on a basin tank base 31 installed on the base 11. In addition, an overflow hole 30 a and a water supply hole 30 b are provided on the side wall of the expiration water tank 30. Reference numeral 32 denotes an auxiliary pressurizing pump device, and the auxiliary pressurizing pump device 32 includes an auxiliary pressurizing pump (not shown) and an electric motor 35 that drives the auxiliary pressurizing pump. Soaked in An expiratory pipe 36 discharges water from the expiratory tank 30 and discharges it to the fire pump. Reference numeral 37 denotes an auxiliary pressure pump discharge pipe connected to the discharge port of the auxiliary pressure pump via an auxiliary pressure pump check valve 48. The auxiliary pressure pump discharge pipe 37 is used for connecting a pressure tank. Connected to the short tube 22. In addition, a test pipe 42 and a gate valve 40 are connected to the fire pump discharge pipe 18 via a gate valve 39.

  43 is a fire extinguishing pump control panel for controlling the operation of the fire extinguishing pump 14, and 45 is an auxiliary pressurizing pump control panel for controlling the operation of the auxiliary pressurizing pump. The pressure tank 12 is provided with a fire pump pressure switch 46 that is activated when the pressure in the pressure tank 12 drops to a predetermined pressure value. The output of the fire pump pressure switch 46 is sent to the fire pump control panel 43. It is output. The auxiliary pressurizing pump discharge pipe 37 is provided with an auxiliary pressurizing pump pressure switch 50 which is activated (ON) when the pressure in the pipe decreases to a predetermined pressure value. Is output to the auxiliary pressurizing pump control panel 45. An upper part of the expiratory tank 30 is provided with an expelled tank electrode (described later in detail) 51 for detecting the water level of the expelled tank 30.

  FIG. 2 is a flowchart for explaining the operation of the fire pump device according to the present invention. As shown in the figure, a pressure tank 12, a fire pump 14, a fire pump check valve 20, a fire pump gate valve 25, a fire pump pressure switch 46, and the like constituting the fire pump device, and an auxiliary pressurizing pump device are configured. The auxiliary pressurizing pump 34, the basin 30, the auxiliary pressurizing pump check valve 48, the auxiliary pressurizing pump pressure switch 50, and the like are mounted on the same base 11. A fire extinguishing pipe 53 for supplying water to a number of sprinklers (not shown) is connected to the secondary side of the gate valve 25. When a fire breaks out and the sprinkler stopper is melted and opened, water in the fire extinguishing pipe 53 is supplied to the sprinkler, and water is ejected from the sprinkler. When the pressure in the fire extinguishing pipe 53 and the pressure tank 12 is reduced to a predetermined pressure due to the ejection of water, the fire pump pressure switch 46 operates (ON), and the fire pump 14 is automatically started by the fire pump control panel 43. The water of the fire extinguishing water tank (not shown) is continuously supplied into the fire extinguishing pipe 53.

  The fire extinguishing pipe 53 and the pressure tank 12 are filled with water during normal use, and the pressure tank is filled with air to maintain a predetermined pressure. Due to a cause other than the occurrence of a fire, water or air in the fire extinguishing pipe 53 naturally decreases over a long period of time, or the pressure decreases due to water leakage due to metal corrosion of piping or the like, and the pressure in the fire extinguishing pipe 53 decreases. Then, the auxiliary pressurizing pump pressure switch 50 operates (ON) before the fire pump 14 is started, and the auxiliary pressurizing pump control panel 45 starts the auxiliary pressurizing pump 34 of the auxiliary pressurizing pump device 32, thereby The water discharged from the discharge port of the pressurizing pump 34 is sent into the fire extinguishing pipe 53 through the auxiliary pressurizing pump discharge pipe 37, and is sent to the pressure tank 12 through the pressure tank pipe 27, and inside the fire extinguishing pipe. In addition, the pressure in the pressure tank 12 is recovered. That is, when the pressure in the fire extinguishing pipe 53 and the pressure tank 12 decreases, the auxiliary pressurizing pump pressure switch 50 provided in the auxiliary pressurizing pump discharge pipe 37 operates (ON), and the auxiliary pressurizing pump 34 starts. To do. When the pressure in the pressure tank 12 rises and the auxiliary pressure pump pressure switch 50 is deactivated (OFF), the auxiliary pressure pump 34 stops.

  As described above, the fire pump device 10 includes a fire pump 14 that connects a suction pipe and a fire pump discharge pipe 18 and a motor 15 that drives the fire pump 14 on the base 11. A basin 30 for containing the priming water of the auxiliary pressurizing pump 34, a priming pipe 36 for discharging the water in the basin 30 to the extinguishing pump and leading to the pipe 18, and a fire extinguishing provided in the middle of the extinguishing pump discharging pipe 18 A check valve 20 for the pump, a pressure tank 12 connected to the secondary side of the check valve 20 for the fire pump, a fire pump control panel 43 for controlling the fire pump 14, and an auxiliary pressure pump control panel 45. Is placed on the base 11. Further, an auxiliary pressurizing pump device 32 having an auxiliary pressurizing pump 34 connected to the secondary side of the fire pump check valve 20 is provided on the base 11, and the auxiliary pressurizing pump device 32 is provided in the expiratory water tank 30 on the base 11. By immersing the auxiliary pressure pump 34 of the pressure pump device 32, the auxiliary pressure pump device and the fire pump device are integrated.

  Thereby, the expiration water tank 30 can be shared as the expiration water tank of the auxiliary | assistant pressurization pump 34 and the fire-extinguishing pump 14, and the whole fire-extinguishing pump apparatus can be reduced in size. Furthermore, it is not necessary to separately install the auxiliary pressurizing pump device and the fire extinguishing pump device, and it is not necessary to perform wiring and piping work between the auxiliary pressurizing pump device and the fire extinguishing pump device after installation.

  FIG. 3 is a view showing another configuration example of the fire pump according to the present invention, FIG. 3 (a) is a front view, FIG. 3 (b) is a plan view, FIG. 3 (c) is a left side view, FIG. (D) is a right side view. The fire pump apparatus 10 shown in FIG. 3 is different from the fire pump apparatus 10 shown in FIG. 1 in that an auxiliary pressure pump stand 55 is provided below the expiratory tank 30 of the expiratory tank stand 31, and the auxiliary pressure pump stand 55 55 is equipped with an auxiliary pressurizing pump device 32. That is, the auxiliary pressurizing pump device 32 is attached to the basin tank base 31 in a state where it is suspended below the basin tank base 31. The priming water is supplied from the bottom surface of the priming tank 30 to the auxiliary pressure pump 34 of the auxiliary pressure pump device 32 through the priming pipe 36. The auxiliary pressure pump discharge pipe 37 is provided with a pressure switch 50 for the auxiliary pressure pump, a pressure gauge, and a check valve 48 for the auxiliary pressure pump, and 2 of the fire pump check valve 20 of the fire pump discharge pipe 18. Connected to the next side. Others are substantially the same as the fire pump device 10 shown in FIG.

  FIG. 4 is a diagram showing a configuration example of a fire pump device according to the present invention. FIG. 4 (a) is a front view, FIG. 4 (b) is a plan view, FIG. 4 (c) is a left side view, and FIG. ) Is a right side view. The fire pump device 10 shown in FIG. 4 is different from the fire pump device 10 shown in FIG. 1 in that an auxiliary pressure pump stand 55 is attached to the expelling water tank stand 31 so as to be positioned between the fire pump 14 and the electric motor 15, that is, The auxiliary pressurization pump base 55 is provided so as to extend the expelling water tank base 31 toward the fire pump 14, and the auxiliary pressurization pump device 32 is mounted on the auxiliary pressurization pump base 55. A priming pipe 36 is connected to the auxiliary pressurizing pump 34 of the auxiliary pressurizing pump device 32 from the side wall surface of the priming tank 30. The auxiliary pressurizing pump discharge pipe 37 is provided with an auxiliary pressurizing pump pressure switch 50, a pressure gauge, a gate valve, and an auxiliary pressurizing pump check valve 48, and the fire pump discharge pipe 18 has a check valve for the fire pump. 20 is connected to the secondary side. The rest is substantially the same as the fire pump device 10 shown in FIG.

  FIG. 5 is a diagram showing a configuration example of a fire pump device according to the present invention. FIG. 5 (a) is a front view, FIG. 5 (b) is a plan view, FIG. 5 (c) is a left side view, and FIG. ) Is a right side view. The fire pump device 10 shown in FIG. 5 is different from the fire pump device 10 shown in FIG. 1 in that an auxiliary pressure pump stand 55 is mounted on the base 11 so that the expelling water tank stand 31 is extended to the non-load side of the motor 15. The auxiliary pressure pump device 32 is placed on the auxiliary pressure pump base 55. A priming pipe 36 is connected to the auxiliary pressurizing pump 34 of the auxiliary pressurizing pump device 32 from the side wall surface of the priming tank 30. The auxiliary pressurizing pump discharge pipe 37 is provided with an auxiliary pressurizing pump pressure switch 50, a pressure gauge, a gate valve, and an auxiliary pressurizing pump check valve 48, and the fire pump discharge pipe 18 has a check valve for the fire pump. 20 is connected to the secondary side. Others are substantially the same as the fire pump device 10 shown in FIG.

  FIG. 6 is a diagram showing a configuration example of a fire pump device according to the present invention, FIG. 6 (a) is a front view, and FIG. 6 (b) is a plan view. The fire pump device 10 shown in FIG. 6 is different from the fire pump device 10 shown in FIG. 1 in that an auxiliary pressurizing pump control panel 45 is provided inside the fire pump control panel 43 and both control panels are integrated. . Others are substantially the same as the fire pump device 10 shown in FIG.

FIG. 7 is a diagram showing a configuration example of the expiratory tank of the fire pump according to the present invention, FIG. 7 (a) is a partially sectional front view, FIG. 7 (b) is a plan view, and FIG. 7 (c) is a right side view. FIG. As shown in the figure, the expiratory tank 30 includes an expelled water tank body 61, and a partition plate 67 having a predetermined height is provided inside the expelled water tank body 61. One side partitioned by the partition plate 67 is an auxiliary pressurizing pump expiratory tank 61a and the other is an extinguishing pump expelling tank 61b. An auxiliary pressurizing pump expiratory hole 68 for connecting an auxiliary pressurizing pump expelling pipe (not shown) is provided on the side wall of the auxiliary pressurizing pump expelling tank 61a, and the side wall of the extinguishing pump expelling tank 61b is extinguished. A fire extinguishing pump expiratory hole 70 for connecting the pump expelling pipe is provided. 7 to 11, the same reference numerals denote the same or corresponding parts.

An auxiliary pressurizing pump electrode 64 to which a plurality of electrode rods for detecting the water level of the auxiliary pressurizing pump expelling tank 61a are connected to the upper part of the expelling water tank body 61 and the water level of the extinguishing pump expelling tank 61b are detected. A fire extinguishing pump electrode 65 to which a plurality of electrode rods for connection is connected is provided. 62 is a water supply ball tap. When the amount of water in the expelling tank main body 61 becomes equal to or lower than a predetermined water level, water is supplied from the water supply ball tap 62 into the expelling water tank main body 61, and when the water level becomes equal to or higher than the predetermined water level, the water supply is stopped. Reference numeral 71 denotes an overflow pipe. When the water level in the expelling tank body 61 rises beyond the height of the overflow pipe 71, water overflows into the expelling tank body 61. Moreover, the height of the partition plate 67 is set to a height that can secure the amount of water necessary for the exhalation pump 14 to exhale in the extinguishing pump exhalation tank 61b. Thereby, even if the auxiliary pressurizing pump 34 is started and the water in the auxiliary pressurizing pump expiratory tank 61a is used up, the water up to the height level of the partition plate 67 remains in the extinguishing pump expelling tank 61b. The remaining amount of expiratory water required for starting the fire pump 14 can be secured.

  FIG. 8 is a diagram showing a configuration example of the expiratory tank of the fire pump according to the present invention, FIG. 8 (a) is a partially sectional front view, FIG. 8 (b) is a plan view, and FIG. 8 (c) is a right side view. FIG. 7 is different from the expiratory tank 30 shown in FIG. 7 in that the partition plate 67 is not provided in the expelled tank main body 61, and an electrode that serves both as a fire extinguishing pump and as an auxiliary pressurizing pump is provided above the expelled tank 30. 74 is provided, and an expiratory hole 76 for both a fire extinguishing pump and an auxiliary pressurizing pump is provided on the side wall of the expiratory water tank 30. The electrode 74 is connected with a full water warning electrode rod 74a of an extinguishing pump / auxiliary pressurizing pump, an auxiliary pressurizing pump water reducing alarm electrode rod 74b, and an extinguishing pump water reducing alarm electrode rod 74c. Each water level of pump full water, auxiliary pressurization pump water reduction, and fire pump reduction water can be detected. In addition, L in the figure indicates the water level of the amount of water necessary for exhalation of the fire pump.

  FIG. 9 is a diagram showing a configuration example of the expiratory tank of the fire pump according to the present invention, FIG. 9 (a) is a partially sectional front view, FIG. 9 (b) is a plan view, and FIG. 9 (c) is a right side view. FIG. 8 is different from the expiratory tank 30 shown in FIG. 8 in that the extinguishing pump / auxiliary pressurizing is provided on the side wall of the expelling tank main body 61 instead of the electrode 74 which is used for both the extinguishing pump and the auxiliary pressurizing pump. This is the point that a water level sensor 78 for a pump full water warning, a water level sensor 80 for an auxiliary pressurization pump water reduction alarm, and a water level sensor 82 for a fire fighting pump water reduction are provided.

  FIG. 10 is a diagram showing a configuration example of the expiratory tank of the fire pump according to the present invention, FIG. 10 (a) is a partially sectional front view, FIG. 10 (b) is a plan view, and FIG. 10 (c) is a right side view. FIG. 8 is different from the expiratory tank 30 shown in FIG. 8 in that the side wall of the expelled tank main body 61 is supplementarily added to the position of a water level L that secures the amount of water necessary for expiratory pumping in the expelling tank main body 61. A pressure pump priming pipe 77 is connected, and a fire extinguishing pump priming pipe 79 is connected to the lower part of the side wall of the priming tank body 61. By doing so, the auxiliary pressurizing pump 34 is primed through the auxiliary pressurizing pump priming pipe 77, and even if the exhalation cannot be performed, the expiratory tank main body 61 contains the expiratory pump 14. The amount of water at the required water level L remains, and the amount necessary for the expiration water of the fire pump 14 can be secured.

  FIG. 11 is a diagram showing a configuration example of pressure detection means in the pressure tank of the fire pump apparatus according to the present invention, FIG. 11 (a) shows an example in which a pressure switch is provided, and FIG. 11 (b) shows pressure detection means. It is a side view which shows the example which provided the pressure sensor. FIG. 11A shows an example in which a fire-extinguishing pump pressure switch 46 and an auxiliary pressurizing pump pressure switch 50 are provided, and FIG. 11B shows an example in which a single pressure sensor 81 is provided in place of the pressure switch. By providing a single pressure sensor 81 in this manner, pressure detection means that serves both as a fire extinguishing pump and as an auxiliary pressurizing pump is provided. The detection signal of the pressure sensor 81 is output to the auxiliary pressurization pump control panel 45 and the fire pump control panel 43. In the auxiliary pressurizing pump control panel 45, when the detected pressure decreases and becomes the starting pressure of the auxiliary pressurizing pump 34, the auxiliary pressurizing pump 34 is started to recover the pressure in the fire extinguishing pipe 53 and the pressure tank 12, and further the detected pressure. When the pressure decreases and the starting pressure of the fire pump 14 is reached, the fire pump 14 is started.

  The embodiments of the present invention have been described above. However, the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the technical idea described in the claims and the specification and drawings. Can be modified.

  The present invention provides an auxiliary pressurizing pump device having an auxiliary pressurizing pump connected to the secondary side of the check valve on the base, and at least one of a pressure tank, a basin, and a control panel on the base. Since the auxiliary pressure pump and the fire pump are shared, the installation space of the fire pump apparatus can be reduced without separately installing the fire pump device and the auxiliary pressure pump device. Moreover, since the structure which integrated the conventional fire-extinguishing pump apparatus and the auxiliary | assistant pressurization pump apparatus is employ | adopted, the wiring and piping between an auxiliary | assistant pressurization pump apparatus and a fire extinguishing pump apparatus are unnecessary after installation of a fire extinguishing pump apparatus. It can be used as a fire pump device.

DESCRIPTION OF SYMBOLS 10 Fire pump apparatus 11 Base 12 Pressure tank 14 Fire pump 15 Electric motor 18 Fire pump discharge piping 20 Fire pump check valve 22 Short tank for pressure tank 23 Flexible piping 24, 25 Gate valve 27 Pressure tank piping 30 Expiration tank 31 Expiration tank mount 32 Auxiliary pressurization pump device 34 Auxiliary pressurization pump 35 Electric motor 36 Expiration pipe 37 Auxiliary pressurization pump discharge pipe 39 Gate valve 40 Gate valve 42 Test pipe 43 Fire extinguishing pump control panel 45 Auxiliary pressurization pump control panel 46 Pressure switch for fire fighting pump 48 Check valve for auxiliary pressurizing pump 50 Pressure switch for auxiliary pressurizing pump 51 Expiratory tank electrode 53 Fire extinguishing pipe 55 Auxiliary pressurizing pump base 61 Expiratory water tank body 64 Auxiliary pressurizing pump electrode 65 Fire extinguishing pump Electrode 67 Partition plate 68 Auxiliary pressurizing pump expiratory hole 70 Fire extinguishing port Expiration hole 71 Overflow pipe 74 Electrode 76 Expiration hole 77 Auxiliary pressurization pump priming pipe 78 Water level sensor for fire extinguishing pump / auxiliary pressurization pump full water alarm 79 Fire extinguishing pump expiratory pipe 80 Water level sensor for auxiliary pressurization pump dewatering alarm 81 Pressure sensor 82 Fire pump water level sensor for water reduction

Claims (14)

A fire extinguishing pump in which a suction pipe and a discharge pipe are connected on a base, and an electric motor that drives the fire extinguishing pump are disposed, and a priming water tank that contains the priming water of the fire extinguishing pump, and water in the priming water tank is supplied to the discharging pipe. On the base, there are led water drawing pipe, a check valve provided in the middle of the discharge pipe, a pressure tank connected to the secondary side of the check valve, and a control panel for controlling the operation of the fire pump. A fire pump device , wherein the discharge pipe is connected to a sprinkler, activates the fire pump in the event of a fire, and supplies water to the sprinkler from a fire water tank different from the expiratory water tank ,
On the base, an auxiliary pressurizing pump device provided with an auxiliary pressurizing pump connected to the secondary side of the check valve is provided,
The fire pump on the base has a capacity that is shared by the auxiliary pressurization pump and the fire pump, and has a capacity capable of securing the amount of water necessary for starting the fire pump. apparatus. In the fire pump device according to claim 1,
  A fire extinguishing pump device characterized in that a partition plate is provided in the exhalation water tank, one of the partitions partitioned by the partition plate is used as the exhalation water tank for the fire extinguishing pump, and the other is used as the exhalation water tank for the auxiliary pressurizing pump. . In the fire pump device according to claim 2,
  An auxiliary pressurizing pump expiratory hole for connecting an auxiliary pressurizing pump expiratory pipe is connected to the side wall of the expiratory tank for the auxiliary pressurizing pump, and a fire extinguishing pump expelling pipe is connected to the side wall of the expiratory pump for the extinguishing pump. A fire-extinguishing pump device, wherein a fire-extinguishing pump expiratory hole is provided. In the fire pump apparatus according to claim 2 or 3,
  The fire-extinguishing pump device, wherein the partition plate has a height capable of securing an amount of water necessary for the exhalation pump of the fire-extinguishing pump in the expiratory water tank for the fire-extinguishing pump. In the fire pump apparatus according to any one of claims 2 to 4,
  The electrode for the auxiliary pressurizing pump to which a plurality of electrode bars for detecting the water level of the priming water tank for the auxiliary pressurizing pump are connected, and the plurality of electrodes for detecting the water level of the priming water tank for the fire fighting pump An extinguishing pump device characterized in that an electrode for the extinguishing pump to which a bar is connected is provided on the upper part of the expelling water tank. In the fire pump apparatus according to any one of claims 1 to 5 ,
The fire extinguishing pump apparatus, wherein the auxiliary pressurizing pump of the auxiliary pressurizing pump apparatus is immersed in the expiratory water tank. In the fire pump apparatus according to any one of claims 1 to 6 ,
The expiratory tank is disposed on an expelled water tank mount disposed on the base,
The fire-extinguishing pump apparatus, wherein the auxiliary pressurizing pump apparatus is disposed on an auxiliary pressurizing pump apparatus base located below the expiratory water tank. In the fire pump device according to claim 7 ,
The auxiliary pressurizing pump device is mounted on an auxiliary pressurizing pump device stand provided so as to extend or extend the expiratory water tank stand to the fire pump side or the electric motor side. In the fire pump device according to any one of claims 1 to 8 ,
Discharge pipe of the fire pump, discharge pipe of the auxiliary pressure pump, the pressure tank,
One of the secondary piping from the check valve,
A fire-extinguishing pump device comprising pressure detecting means that serves both as the fire-extinguishing pump and the auxiliary pressurizing pump. In the fire pump device according to claim 9,
The fire detection pump device, wherein the pressure detection means is a pressure sensor. In the fire pump apparatus according to any one of claims 1 to 10 ,
An auxiliary pressurizing pump expiratory pipe for supplying expiratory water to the auxiliary pressurizing pump is provided on the upper side wall of the expiratory tank, and a fire pump pump expelling pipe for supplying expiratory water to the fire extinguishing pump is provided on the lower side wall. Fire extinguishing pump device characterized by that. The fire-extinguishing pump device according to any one of claims 1 to 11,
The control panel is shared by the auxiliary pressure pump and the fire pump. In the fire pump device according to claim 1 ,
One water level sensor for detecting the water level in the expiration tank is provided,
The fire pump apparatus characterized in that the single water level sensor serves as both the water level sensor for the fire pump and the water level sensor for the auxiliary pressurizing pump. The fire pump device according to claim 13 ,
An auxiliary pressurizing pump expiratory pipe for supplying expiratory water to the auxiliary pressurizing pump is provided on the upper side wall of the expiratory tank, and a fire pump pump expelling pipe for supplying expiratory water to the fire extinguishing pump is provided on the lower side wall. Fire extinguishing pump device characterized by that.

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