CN208733738U - A kind of roof fire-fighting pressure stabilizing device - Google Patents
A kind of roof fire-fighting pressure stabilizing device Download PDFInfo
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- CN208733738U CN208733738U CN201821243319.7U CN201821243319U CN208733738U CN 208733738 U CN208733738 U CN 208733738U CN 201821243319 U CN201821243319 U CN 201821243319U CN 208733738 U CN208733738 U CN 208733738U
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Abstract
The utility model proposes roof fire-fighting pressure stabilizing device in, spray pipe network and fire hydrant pipe network are combined one group of fire-fighting stabilized pressure pump, eliminate two stabilized pressure pumps and related accessory in traditional voltage-stabilizing system design, greatly reduce manufacturing cost, a motor-driven valve and pressure sensor are respectively set on fire-fighting stabilized pressure pump outlet pipe left and right ends simultaneously, controller regulates and controls the start-stop of motor-driven valve and fire-fighting stabilized pressure pump according to pressure sensor derived signals, it realizes stable water pressure in spray pipe network and fire hydrant pipe network and meets the relevant regulations of " fire water-supply and hydrant system technical specification ".
Description
Technical field
The utility model relates to fire-fighting equipments, and in particular to a kind of roof fire-fighting pressure stabilizing device.
Background technique
With the development of Building Trade in China, the fire-fighting consciousness of people are also enhancing increasingly, in order to prevent with reduce various fire
The generation of calamity, designer devise the facility of various fire-fighting indispensabilities according to " Code for fire protection design of buildings " GB50016-2014,
What is be most widely used in building water supply and drainage design for fire protection is that fire-fighting stabilized pressure pump group equipment is set on fire hydrant and spray system.
According to " fire water-supply and hydrant system technical specification " the 5.2.2 articles of GB50974-2014 regulation, high-order fire water box is set
Seated position should be higher than that its above-water method facility serviced, and minimum effective water level should meet it is quiet at above-water method facility least favorable point
Water pressure works as indoor fire hydrant system, when spray system least favorable point can not meet static pressure requirement, need to set pressure stabilizing pump group equipment guarantor
It demonstrate,proves certain pressure and is just able to satisfy code requirement.Therefore, pressurization and the pressure stabilizing facility in fire supply system are rationally designed, for
The effect for playing fire supply system has positive effect.
Usual fire hydrant and spray system pressure stabilizing design be set respectively fire hydrant pressure stabilizing pump group and spray pressure stabilizing pump group with respectively
From system be connected, since voltage-stabilizing system is not associated with independently respectively, which could not effectively play the effect of stabilized pressure pump,
Investment and maintenance cost are virtually increased, it is not economical enough.
Utility model content
The purpose of this utility model is to provide a kind of roof fire-fighting pressure stabilizing devices, can be effectively reduced the warp of package unit
Ji cost simultaneously obtains good voltage regulation result.
To achieve the above object, the utility model proposes roof fire-fighting pressure stabilizing device, including fire water box, the fire water
Case is equipped with inlet pipeline, and the lower part of fire water box is additionally provided with the first branch in parallel, second branch, third branch and the 4th
Road；The first branch is equipped with the first fire-fighting stabilized pressure pump, and second branch is equipped with the second fire-fighting stabilized pressure pump, and the first branch and second
The water outlet of branch is connected with the 5th branch；The left pipeline section of 5th branch converges into spray water outlet after being connected to third branch total
Pipe, spray outfall sewer are connected to spray pipe network；The right pipeline section of 5th branch converges into fire hydrant after being connected to the 4th branch and goes out
Supply mains, fire hydrant outfall sewer are connected with fire hydrant pipe network；
It wherein, further include for acquiring the first pressure sensor of hydraulic pressure in spray outfall sewer and being used to give spray water outlet
General pipeline carries out pressure compensated first vacuum tank, for acquiring the second pressure sensor and use of hydraulic pressure in fire hydrant outfall sewer
In carrying out pressure compensated second vacuum tank to fire hydrant outfall sewer；First is also successively arranged along water discharging direction on left pipeline section
Motor-driven valve and first check-valve；The second motor-driven valve and second check-valve are also successively arranged along water discharging direction on right pipeline section.
It preferably, further include controller in the roof fire-fighting pressure stabilizing device, the signal input part of the controller
It is connected with first pressure sensor and second pressure sensor, it is the signal output end of controller and the first motor-driven valve, second electronic
Valve, the first fire-fighting stabilized pressure pump and the second fire-fighting stabilized pressure pump are connected.
Preferably, in the roof fire-fighting pressure stabilizing device, the third branch and the 4th curb water discharging direction are equal
It is successively arranged gate valve and third check-valves.
Preferably, in the roof fire-fighting pressure stabilizing device, the spray outfall sewer and fire hydrant outfall sewer edge
Water discharging direction is successively arranged gate valve and flow control valve.
Preferably, in the roof fire-fighting pressure stabilizing device, first fire-fighting stabilized pressure pump and the second fire-fighting stabilized pressure pump
Water outlet be respectively equipped with the 4th check-valves.
Preferably, in the roof fire-fighting pressure stabilizing device, first fire-fighting stabilized pressure pump and the second fire-fighting stabilized pressure pump
It is designed using the using and the reserved.
Compared with prior art, the utility model has the beneficial effects that spray pipe network and fire hydrant pipe network are combined one group of fire-fighting
Stabilized pressure pump eliminates two stabilized pressure pumps and related accessory in traditional voltage-stabilizing system design, greatly reduces manufacturing cost, together
A motor-driven valve is respectively set on five branch left and right ends outlet pipe of Shi and pressure sensor, controller are passed according to pressure sensor
Carry out the start-stop of signals-modulating motor-driven valve and fire-fighting stabilized pressure pump, realize stable water pressure in spray pipe network and fire hydrant pipe network and accords with
Close the relevant regulations of " fire water-supply and hydrant system technical specification ".
Detailed description of the invention
Fig. 1 is the schematic diagram of fire-fighting pressure stabilizing device in roof in the utility model；
Fig. 2 is the schematic diagram of roof fire-fighting pressure stabilizing device (integrated pump house) in the utility model；
Fig. 3 is pressure stabilizing control flow chart in the utility model.
In figure: 1- fire water box, 2- inlet pipeline, the 3- first branch, the first fire-fighting stabilized pressure pump of 31-, 4- second branch,
The second fire-fighting stabilized pressure pump of 41-, 5- third branch, the 4th branch of 6-, the 5th branch of 7-, the left pipeline section of 71-, the right pipeline section of 72-, 8- spray
Outfall sewer, 9- fire hydrant outfall sewer, 10- spray pipe network, 20- fire hydrant pipe network, the first motor-driven valve of D1-, the first non-return of H1-
Valve, the first vacuum tank of W1-, P1- first pressure sensor, the second motor-driven valve of D2-, H2- second check-valve, the second vacuum tank of W2-,
P2- second pressure sensor, 11- gate valve, H3- third check-valves, 12- flow control valve, the 4th check-valves of H4-, 30- control
Device, 40- pump house.
Specific embodiment
It is described in more detail below in conjunction with roof fire-fighting pressure stabilizing device of the schematic diagram to the utility model, wherein table
Shown the preferred embodiment of the utility model, it should be appreciated that those skilled in the art can modify described herein it is practical new
Type, and still realize the advantageous effects of the utility model.Therefore, following description should be understood as those skilled in the art
It is widely known, and be not intended as limitations of the present invention.
It please refers to shown in Fig. 1 and Fig. 3, the utility model proposes a kind of technical solutions:
Fire water box 1 is installed on the top of building, is generally mounted to roof.The top of fire water box 1 be equipped with manhole and
Venthole with fly net, bottom are equipped with emptying pipe, and the back side is equipped with ladder, and side wall is equipped with overflow pipe and inside is equipped with liquid level report
Alert device.It is supplied water to the fire water box 1 for being located at roof by inlet pipeline 2 (generally by life force (forcing) pump or city planting ductwork to disappearing
Water filling in caisson 1), shut-off valve, y-type filter and fluid level control valve are successively arranged along water (flow) direction on inlet pipeline 2, are passed through
Floating ball controls water level from moisturizing in trend fire water box 1, in addition, exhaust valve can also be installed on inlet pipeline 2, when water in pipe network
When being entrained with gas, gas can be discharged automatically for exhaust valve.
The lower part of fire water box 1 is additionally provided with the first branch 3, second branch 4, third branch 5 and the 4th branch 6 in parallel.
The first fire-fighting stabilized pressure pump 31 and the second fire-fighting stabilized pressure pump 41, the first fire-fighting pressure stabilizing is respectively set in the first branch 3 and second branch 4
Pump 31 is identical with the structure of the second fire-fighting stabilized pressure pump 41, using the using and the reserved scheme in the prior art, in the present invention,
The fire-fighting stabilized pressure pump uses low-noise water pump as far as possible.The water outlet of first fire-fighting stabilized pressure pump 31 and the second fire-fighting stabilized pressure pump 41 difference
Equipped with the 4th check-valves H4, check-valves unidirectionally passes through for fluid, to protect fire-fighting stabilized pressure pump.The first branch 3 and second
The water outlet on road 4 is connected to the 5th branch 7, and the left pipeline section 71 of the 5th branch 7 is converged into after being connected to third branch 5 and sprayed out
Supply mains 8, and spray outfall sewer 8 is connected to spray pipe network 10；The right pipeline section 72 of 5th branch 7 converges after being connected to the 4th branch 6
To fire hydrant outfall sewer 9, fire hydrant outfall sewer 9 is connected with fire hydrant pipe network 20.
In the present invention, further include for acquire spray outfall sewer 8 in hydraulic pressure first pressure sensor P1 and
For carrying out pressure compensated first vacuum tank W1 to spray outfall sewer 8, and for acquiring water in fire hydrant outfall sewer 9
The second pressure sensor P2 of pressure and for carrying out pressure compensated second vacuum tank W2 to fire hydrant outfall sewer 9.Wherein, surely
It presses tank that can use diaphragm air pressure tank, as the pressure compensator in roof fire-fighting pressure stabilizing device, prevents fire-fighting stabilized pressure pump frequency
Numerous starting, extends the service life of fire-fighting stabilized pressure pump, to extend the service life of roof fire-fighting pressure stabilizing device.Specifically, join
See that Fig. 1, the first vacuum tank W1 and first pressure sensor P1 can be successively set on the left pipeline section 71 and third branch of the 5th branch 7
The connectivity part on road 5；It is understood that the first vacuum tank W1 and first pressure sensor P1 can also be set up directly on third branch
On road 5, Fig. 2 is referred to, due to being interconnected between pipeline and the distance of two kinds of set-up modes is shorter, pressure loss in piping can be with
It ignores, therefore the pressure signal of two kinds of set-up mode first pressure sensor P1 acquisition is approximately equal, it can be according to specific
Mounting arrangement use suitable first pressure sensor P1 and the first vacuum tank W1 installation point.Similarly, referring again to Fig. 1,
Second vacuum tank W2 and second pressure sensor P2 can be successively set on the right pipeline section 72 and the 4th branch 6 of the 5th branch 7
Connectivity part；Certainly, the second vacuum tank W2 and second pressure sensor P2 can also be set up directly on the 4th branch 6, refer to
Fig. 2.
As a preferred embodiment, in the present invention, the first electricity is also successively arranged along water discharging direction on left pipeline section 71
Dynamic valve D1 and first check-valve H1；The second motor-driven valve D2 and second check-valve are also successively arranged along water discharging direction on right pipeline section 72
H2.It is also provided with controller 30 simultaneously, which senses for receiving from first pressure sensor P1 and second pressure
The pressure signal of the acquisition of device P2, and according to the pressure signal of acquisition after judging, disappear to the first fire-fighting stabilized pressure pump 31 and second
Anti- stabilized pressure pump 41, the first motor-driven valve D1 and the second motor-driven valve D2 are issued starts and stops order accordingly.
Specifically, the pressure stabilizing control principle of the roof fire-fighting pressure stabilizing device is as follows: (referring to Fig. 3)
Fire-fighting pressure stabilizing device in roof is after debugging under normal condition, i.e. the water of 20 two sides of spray pipe network 10 and fire hydrant pipe network
Pressure reaches the pressure stabilizing state of code requirement, and the first motor-driven valve D1 and the second motor-driven valve D2 are in normally open at this time.
First pressure sensor P1 is used to acquire the hydraulic signal A of spray pipe network 10 and the signal is transmitted to controller
30；Second pressure sensor P2 is used to acquire the hydraulic signal B of fire hydrant pipe network 20 and the signal is transmitted to controller 30.Control
The upper limit hydraulic signal A1 of spray pipe network 10 and the lower limit hydraulic signal A2 of spray pipe network 10, and the fire that disappears have been preset in device 30 processed
The upper limit hydraulic signal B1 of the bolt pipe network 20 and lower limit hydraulic signal B2 of fire hydrant pipe network 20.
10 pressure stabilizing control principle of spray pipe network: when the hydraulic signal A of spray pipe network 10 is lower than the preset lower limit of controller 30
When hydraulic signal A2, then the hydraulic pressure in spray pipe network 10 is insufficient, at this point, issuing signal by controller 30, the first fire-fighting of starting is steady
Press pump 31 simultaneously closes off the second motor-driven valve D2, is pressurizeed into spray pipe network 10 until the hydraulic signal A of spray pipe network 10 reaches control
When 30 preset upper limit hydraulic signal A1 of device processed, signal is issued by controller 30, the first fire-fighting stabilized pressure pump 31 is closed, opens simultaneously
Second motor-driven valve D2, roof fire-fighting pressure stabilizing device are in pressure stabilizing state.
20 pressure stabilizing control principle of fire hydrant pipe network: when the hydraulic signal B of fire hydrant pipe network 20 is preset lower than controller 30
When lower limit hydraulic signal B2, then when hydraulic pressure deficiency in fire hydrant pipe network 20, at this point, issue signal by controller 30, starting the
One fire-fighting stabilized pressure pump 31 simultaneously closes off the first motor-driven valve D1, pressurizes into fire hydrant pipe network 20 up to the water of fire hydrant pipe network 20
When pressure signal A reaches 30 preset upper limit hydraulic signal B1 of controller, signal is issued by controller 30, closes the first fire-fighting pressure stabilizing
Pump 31, opens simultaneously the first motor-driven valve D1, fire-fighting pressure stabilizing device in roof is in pressure stabilizing state.
The continuous above-mentioned 10 pressure stabilizing control of spray pipe network of repetitive cycling and 20 pressure stabilizing of fire hydrant pipe network control, to reach pressure stabilizing
Purpose, until meeting the least favorable point hydrostatic pressing of code requirement.
For the ease of installing and constructing, the pump house 40 with 1 one of fire water box can be set in the side of fire water box 1,
Consequently facilitating the first branch 3, second branch 4, third branch 5, the 4th branch 6 and the 5th branch 7 are integrated in pump house 40, and
Openable cabinet door is arranged in the one side of installation fire-fighting stabilized pressure pump with equipment convenient to overhaul in pump house 40, and complete equipment can in south
With outdoor installation, construct very convenient.It, can be in fire-fighting due to north of china in winter cold if complete equipment is installed in the north
Insulating layer is set on the tank wall of water tank 1 and pump house 40.
To sum up, in fire-fighting pressure stabilizing device in roof provided by the embodiment of the utility model, spray pipe network and fire hydrant pipe network
It is combined one group of fire-fighting stabilized pressure pump, two stabilized pressure pumps and related accessory in traditional voltage-stabilizing system design is eliminated, can be greatly reduced
Manufacturing cost, while respectively setting a motor-driven valve and pressure sensor, controller root on the 5th branch left and right ends outlet pipe
According to the start-stop of pressure sensor derived signals regulation motor-driven valve and fire-fighting stabilized pressure pump, spray pipe network and fire hydrant pipe network are realized
Middle stable water pressure and the relevant regulations for meeting " fire water-supply and hydrant system technical specification ".
The preferred embodiment that above are only the utility model, does not play the role of any restrictions to the utility model.
Any person of ordinary skill in the field, in the range of not departing from the technical solution of the utility model, to the utility model
The technical solution and technology contents of exposure make the variation such as any type of equivalent replacement or modification, belong to without departing from the utility model
Technical solution content, still fall within the protection scope of the utility model.
Claims (6)
1. a kind of roof fire-fighting pressure stabilizing device, which is characterized in that including fire water box (1), which is equipped with water inlet
Pipeline (2), the lower part of fire water box (1) are additionally provided with the first branch (3) in parallel, second branch (4), third branch (5) and the
Four branches (6)；The first branch (3) is equipped with the first fire-fighting stabilized pressure pump (31), and second branch (4) is equipped with the second fire-fighting stabilized pressure pump
(41), and the water outlet of the first branch (3) and second branch (4) is connected with the 5th branch (7)；The left pipe of 5th branch (7)
Section (71) converges into spray outfall sewer (8) after being connected to third branch (5), spray outfall sewer (8) and spray pipe network (10)
Connection；The right pipeline section (72) of 5th branch (7) converges into fire hydrant outfall sewer (9) after being connected to the 4th branch (6), fire hydrant
Outfall sewer (9) is connected with fire hydrant pipe network (20)；
It wherein, further include spraying the first pressure sensor (P1) of outfall sewer (8) interior hydraulic pressure and for spray for acquiring
Outfall sewer (8) carries out pressure compensated first vacuum tank (W1), for acquiring the second of fire hydrant outfall sewer (9) interior hydraulic pressure
Pressure sensor (P2) and for giving fire hydrant outfall sewer (9) to carry out pressure compensated second vacuum tank (W2)；In left pipeline section
(71) the first motor-driven valve (D1) and first check-valve (H1) are also successively arranged on along water discharging direction；Along water outlet on right pipeline section (72)
Direction is also successively arranged the second motor-driven valve (D2) and second check-valve (H2).
2. fire-fighting pressure stabilizing device in roof according to claim 1, which is characterized in that it further include controller, the controller
Signal input part be connected with first pressure sensor (P1) and second pressure sensor (P2), the signal output end of controller with
First motor-driven valve (D1), the second motor-driven valve (D2), the first fire-fighting stabilized pressure pump (31) are connected with the second fire-fighting stabilized pressure pump (41).
3. fire-fighting pressure stabilizing device in roof according to claim 1, which is characterized in that the third branch (5) and the 4th
Road (6) is successively arranged gate valve (11) and third check-valves (H3) along water discharging direction.
4. fire-fighting pressure stabilizing device in roof according to claim 1, which is characterized in that the spray outfall sewer (8) and disappear
Fiery bolt outfall sewer (9) is successively arranged gate valve (11) and flow control valve (12) along water discharging direction.
5. fire-fighting pressure stabilizing device in roof according to claim 1, which is characterized in that first fire-fighting stabilized pressure pump (31) and
The water outlet of second fire-fighting stabilized pressure pump (41) is respectively equipped with the 4th check-valves (H4).
6. fire-fighting pressure stabilizing device in roof according to claim 1, the first fire-fighting stabilized pressure pump (31) and the second fire-fighting stabilized pressure pump
(41) it is designed using the using and the reserved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821243319.7U CN208733738U (en) | 2018-08-01 | 2018-08-01 | A kind of roof fire-fighting pressure stabilizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821243319.7U CN208733738U (en) | 2018-08-01 | 2018-08-01 | A kind of roof fire-fighting pressure stabilizing device |
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| Publication Number | Publication Date |
|---|---|
| CN208733738U true CN208733738U (en) | 2019-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821243319.7U Active CN208733738U (en) | 2018-08-01 | 2018-08-01 | A kind of roof fire-fighting pressure stabilizing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619004A (en) * | 2020-12-11 | 2021-04-09 | 南京睿实智能安全科技有限公司 | Water pressure stable high-pressure water mist fire extinguishing device |
-
2018
- 2018-08-01 CN CN201821243319.7U patent/CN208733738U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619004A (en) * | 2020-12-11 | 2021-04-09 | 南京睿实智能安全科技有限公司 | Water pressure stable high-pressure water mist fire extinguishing device |
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