CN209798879U - Fire-fighting pressure-stabilizing water supply equipment point additionally provided with flow stabilizing tank - Google Patents

Abstract

The utility model provides a fire-fighting pressure-stabilizing water supply equipment point additionally provided with a steady flow tank, which is characterized by comprising a first water supply pipe, wherein one side of the first water supply pipe is provided with a first connecting pipe which is connected with the upper end of an arc bent pipe, the arc bent pipe is communicated with a second connecting pipe, the front part of the second connecting pipe is provided with a fire pump, the second connecting pipe is communicated with a second water supply pipe, the second water supply pipe is communicated with the steady flow tank through a pipeline, and the top opening of the steady flow tank is provided with a water inlet; the utility model has the advantages that: in the pressure stabilizing process, if the pressure of a water source in the flow stabilizing tank is higher than the pressure of the fire-fighting pipe network, the bypass pipeline directly supplies water; the pressure stabilizing pump takes water from the flow stabilizing tank, superposes the water source pressure in the flow stabilizing tank, and carries out pressure-superposed water supply on the fire fighting pipe network, and the process is repeated in this way, so that the pipe network pressure is maintained between the upper limit and the lower limit of the pressure stabilizing pressure, the pressure stabilizing equipment is more energy-saving when stabilizing the leakage pressure of the fire fighting pipe network, and the service life of the equipment is prolonged.

Description

Fire-fighting pressure-stabilizing water supply equipment point additionally provided with flow stabilizing tank

Technical Field

The utility model relates to a steady voltage equipment field especially relates to a install fire control steady voltage water supply equipment of stationary flow jar additional.

Background

As shown in the attached figure 1, the pressure stabilizing pump and the air pressure tank keep the pressure of the fire-fighting pipe network stable at ordinary times, the fire-fighting main pump is started when a fire-fighting signal exists, the pressure stabilizing pump stops working, and the fire-fighting main pump is started.

The pressure stabilizing pump and the air pressure tank maintain the pressure loss of the fire-fighting water supply pipe network caused by normal leakage, the pressure stabilizing pump sends water to the fire-fighting water supply pipe network when working, after the redundant water enters the air pressure tank, the water chamber expands, the air chamber contracts and the pressure rises along with the expansion, when the pressure of the fire-fighting water supply pipe network rises to the upper limit of the pressure stabilizing pressure, the pressure stabilizing pump stops running and enters a shutdown pressure maintaining state, at the moment, the stored water is sent into the fire-fighting water supply pipe network by the pressure of compressed gas in the tank, the water chamber of the air pressure tank contracts, the air chamber expands, the pressure drops along with the expansion, and when the pressure of the fire-fighting water supply pipe. The operation of the pressure stabilizing pump is repeated in this way, so that the pressure of the pipe network is maintained between the upper limit and the lower limit of the pressure stabilizing pressure. When a fire occurs, the fire hydrant or the nozzle is opened, the pressure of the fire-fighting water supply pipe network is continuously reduced, the pressure stabilizing pump cannot meet the pressure requirement of the fire-fighting water supply pipe network, when the pressure of the fire-fighting water supply pipe network is reduced to the starting pressure of the fire pump (or other fire-fighting signals are fed back), the fire pump is started (the pressure stabilizing pump stops running), in the starting process of the fire pump, the water pressed out by the air pressure tank maintains the pressure of the fire-fighting water supply pipe network and the fire-fighting water, and the fire pump is started completely and put into operation.

SUMMERY OF THE UTILITY MODEL

the utility model aims at providing a fire-fighting steady voltage water supply equipment who installs stationary flow jar additional.

In order to realize the purpose, the technical scheme of the utility model is that:

The fire-fighting pressure-stabilizing water supply equipment is characterized by comprising a first water supply pipe, wherein the first water supply pipe is arranged along the horizontal direction, a plurality of first connecting pipes are arranged below one side of the first water supply pipe, the first connecting pipes are arranged in parallel along the vertical direction, the upper end of each first connecting pipe is communicated with the lower end of the corresponding water supply pipe, the lower end of each first connecting pipe is communicated with the upper end of each circular arc bent pipe, each circular arc bent pipe is bent by 90 degrees, the lower end of each circular arc bent pipe is arranged backwards along the horizontal direction, the lower end of each circular arc bent pipe is communicated with the front end of each second connecting pipe, each second connecting pipe is arranged backwards in an extending mode along the horizontal direction, a fire pump is arranged at the front part of each second connecting pipe, the rear end of each second connecting pipe is communicated with the front side of each second water supply pipe, each second water supply pipe is arranged along the horizontal direction, the rear side of each second water supply pipe is communicated with the front side of, the opening at the top of the steady flow tank is provided with a water inlet,

A plurality of third connecting pipes are arranged below the other side of the first water supply pipe, the upper ends of the third connecting pipes are communicated with the lower end of the first water supply pipe, the lower ends of the third connecting pipes are communicated with the front end of a fourth connecting pipe, the fourth connecting pipe extends backwards along the horizontal direction, a pressure stabilizing pump is arranged at the front part of the fourth connecting pipe, the bottoms of the fire pump and the pressure stabilizing pump are fixed on the base, the rear end of the fourth connecting pipe is communicated with the front side of the second water supply pipe, a fifth connecting pipe is also arranged below the other side of the first water supply pipe, the upper end of the fifth connecting pipe is connected with the first water supply pipe, and the lower end of the fifth connecting pipe is connected with the air pressure tank,

And a bypass pipeline is arranged between the first connecting pipe and the third connecting pipe, the upper end of the bypass pipeline is connected with the first water supply pipe, and the lower end of the bypass pipeline is connected with the second water supply pipe.

further, a stop valve is arranged at the upper part of the first connecting pipe.

The utility model has the advantages that: in the pressure stabilizing process, if the pressure of a water source in the flow stabilizing tank is higher than the pressure of the fire-fighting pipe network, the bypass pipeline directly supplies water; if the water source pressure in the steady flow tank and the pressure stored in the air pressure tank are not enough to supplement the pressure drop of the pipe network, the pressure stabilizing pump is started, the pressure stabilizing pump takes water from the steady flow tank, the water source pressure in the steady flow tank is superposed, and the fire fighting pipe network is subjected to superposed water supply, so that the pressure of the pipe network is maintained between the upper limit and the lower limit of the pressure stabilizing pressure, the pressure stabilizing equipment is more energy-saving when stabilizing the leakage pressure of the fire fighting pipe network, and the service life of the equipment is prolonged.

Drawings

FIG. 1 is a schematic structural diagram of a pressure-stabilized water supply apparatus in the prior art;

Fig. 2 is a schematic front structural view of the present invention;

Fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic side view of the present invention.

Reference numerals:

1 a first water supply pipe, 2 a second water supply pipe, 3 a first connecting pipe, 4 a second connecting pipe, 5 a third connecting pipe,

6 a fourth connecting pipe, 7 a fifth connecting pipe, 8 arc elbow pipes, 9 fire pumps, 10 pressure stabilizing pumps,

11 steady flow tanks, 12 air pressure tanks, 13 bypass pipelines, 14 bases, 15 water inlets and 16 stop valves.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

the utility model discloses a install steady flow jar's fire control steady voltage water supply equipment additional, a serial communication port, as shown in fig. 2, it includes first feed pipe 1, first feed pipe 1 sets up along the horizontal direction, the below of 1 one side of first feed pipe is equipped with a plurality of first connecting pipes 3, as shown in fig. 4, the upper portion of first connecting pipe 3 is preferred to be equipped with stop valve 16, first connecting pipe 3 is along vertical direction parallel arrangement each other, the upper end of first connecting pipe 3 and the lower extreme intercommunication of feed pipe, the lower extreme of first connecting pipe 3 and circular arc return bend 8's upper end intercommunication, circular arc return bend 8 is 90 and buckles, and circular arc return bend 8's lower extreme sets up towards the back along the horizontal direction, circular arc return bend 8's lower extreme and second connecting pipe 4's front end intercommunication.

As shown in fig. 3, the second connecting pipe 4 extends backward along the horizontal direction, the front portion of the second connecting pipe 4 is provided with a fire pump 9, the rear end of the second connecting pipe 4 is communicated with the front side of the second water supply pipe 2, the second water supply pipe 2 is arranged along the horizontal direction, the rear side of the second water supply pipe 2 is communicated with the front side of the flow stabilization tank 11 through a pipeline, the top opening of the flow stabilization tank 11 is provided with a water inlet 15, a flow stabilization device is arranged at the position of the water inlet 15, and the flow stabilization device is preferably a flow stabilization plate.

As shown in fig. 2, a plurality of third connection pipes 5 are provided below the other side of the first water supply pipe 1, the upper end of the third connecting pipe 5 is communicated with the lower end of the first water supply pipe 1, the lower end of the third connecting pipe 5 is communicated with the front end of the fourth connecting pipe 6, a connecting bent pipe with the same action as the arc bent pipe 8 is preferably arranged between the lower end of the third connecting pipe 5 and the front end of the fourth connecting pipe 6, the fourth connecting pipe 6 extends backwards along the horizontal direction, a pressure stabilizing pump 10 is arranged at the front part of the fourth connecting pipe 6, the bottoms of the fire pump 9 and the pressure stabilizing pump 10 are both fixed on a base 14, the rear end of the fourth connecting pipe 6 is communicated with the front side of the second water supply pipe 2, a fifth connecting pipe 7 is further arranged below the other side of the first water supply pipe 1, the upper end of the fifth connecting pipe 7 is connected with the first water supply pipe 1, and the lower end of the fifth connecting pipe 7 is connected with an air pressure tank 12.

A bypass pipeline 13 is arranged between the first connecting pipe 3 and the third connecting pipe 5, the upper end of the bypass pipeline 13 is connected with the first water supply pipe 1, and the lower end of the bypass pipeline 13 is connected with the second water supply pipe 2.

as shown in fig. 2, the steady flow tank 11, the pressure stabilizing pump 10 and the air pressure tank 12 are used to maintain the pressure loss of the fire-fighting water supply network caused by normal leakage at ordinary times, and because the water entering the steady flow tank 11 has pressure, in the process of steady pressure at ordinary times, if the pressure of the water source in the steady flow tank 11 is higher than the pressure of the fire-fighting network, the bypass pipeline 13 directly supplies water; if the water source pressure in the steady flow tank 11 and the pressure stored in the air pressure tank 12 are not enough to supplement the pressure drop of the pipe network, the pressure stabilizing pump 10 is started, the pressure stabilizing pump 10 takes water from the steady flow tank 11, the water source pressure in the steady flow tank 11 is superposed, the fire fighting pipe network is subjected to pressure-superposed water supply, and the steps are repeated in this way, so that the pressure of the pipe network is maintained between the upper limit and the lower limit of the pressure stabilizing pressure.

When the pressure stabilizing pump 10 works, water is sent to a fire-fighting water supply pipe network, the water supply pipe network is composed of a first water supply pipe 1, a second water supply pipe 2, a plurality of connecting pipes and bent pipes, after redundant water enters the air pressure tank 12, the water chamber is expanded, the air chamber is contracted, and the pressure rises along with the expansion of the water chamber, when the pressure of the fire-fighting water supply pipe network rises to a pressure stabilizing upper limit P4, the pressure stabilizing pump 10 stops running and enters a stop state, at the moment, the stored water is sent to the fire-fighting water supply pipe network by the pressure of compressed gas in the tank, the water chamber of the air pressure tank 12 is contracted, the air chamber is expanded, the pressure is reduced along with the pressure, and when the pressure of.

When a fire occurs, the fire hydrant or the nozzle is opened, the pressure of the fire-fighting water supply pipe network is continuously reduced, the pressure stabilizing pump 10 cannot meet the pressure requirement of the fire-fighting water supply pipe network in operation, when the pressure of the fire-fighting water supply pipe network is reduced to the starting pressure P2 of the fire pump 9 (or other fire-fighting signals are fed back), the fire pump 9 is started (the pressure stabilizing pump 10 stops running), in the starting process of the fire pump 9, the pressure of the fire-fighting water supply pipe network and the fire-fighting water are mainly maintained by the water pressed out by the air pressure tank 12 until the fire pump 9 is completely started and put.

finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (2)

1. The fire-fighting pressure-stabilizing water supply equipment point is characterized by comprising a first water supply pipe, wherein the first water supply pipe is arranged along the horizontal direction, a plurality of first connecting pipes are arranged below one side of the first water supply pipe, the first connecting pipes are arranged in parallel along the vertical direction, the upper end of each first connecting pipe is communicated with the lower end of the corresponding water supply pipe, the lower end of each first connecting pipe is communicated with the upper end of each circular arc bent pipe, each circular arc bent pipe is bent by 90 degrees, the lower end of each circular arc bent pipe is arranged backwards along the horizontal direction, the lower end of each circular arc bent pipe is communicated with the front end of each second connecting pipe, each second connecting pipe is arranged backwards in an extending mode along the horizontal direction, a fire pump is arranged at the front part of each second connecting pipe, the rear end of each second connecting pipe is communicated with the front side of each second water supply pipe, each second water supply pipe is arranged along the horizontal direction, the rear side of each second water supply pipe is communicated with the front side of, the opening at the top of the steady flow tank is provided with a water inlet,

A plurality of third connecting pipes are arranged below the other side of the first water supply pipe, the upper ends of the third connecting pipes are communicated with the lower end of the first water supply pipe, the lower ends of the third connecting pipes are communicated with the front end of a fourth connecting pipe, the fourth connecting pipe extends backwards along the horizontal direction, a pressure stabilizing pump is arranged at the front part of the fourth connecting pipe, the bottoms of the fire pump and the pressure stabilizing pump are fixed on the base, the rear end of the fourth connecting pipe is communicated with the front side of the second water supply pipe, a fifth connecting pipe is also arranged below the other side of the first water supply pipe, the upper end of the fifth connecting pipe is connected with the first water supply pipe, and the lower end of the fifth connecting pipe is connected with the air pressure tank,

And a bypass pipeline is arranged between the first connecting pipe and the third connecting pipe, the upper end of the bypass pipeline is connected with the first water supply pipe, and the lower end of the bypass pipeline is connected with the second water supply pipe.

2. a stabilized pressure water supply equipment point for fire fighting equipped with stabilized flow tank as claimed in claim 1, characterized in that the upper part of the first connecting pipe is provided with a stop valve.