CN208756832U - A kind of fire-fighting system pressure maintaining buffer unit - Google Patents
A kind of fire-fighting system pressure maintaining buffer unit Download PDFInfo
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- CN208756832U CN208756832U CN201820924981.2U CN201820924981U CN208756832U CN 208756832 U CN208756832 U CN 208756832U CN 201820924981 U CN201820924981 U CN 201820924981U CN 208756832 U CN208756832 U CN 208756832U
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Abstract
The utility model discloses a kind of fire-fighting system pressure maintaining buffer units, including pipeline section, pipeline section lateral arrangement, it is sealed at the both ends of pipeline section with blind flange, the lower end of the pipeline section is provided with fire water interface, the upper end of pipeline section is provided with safety valve and compressed air adapter tube, compressed air inlet ball valve is provided on the compressed air adapter tube, fire water interface connects 3 pipelines in parallel by fire main pipe, wherein a seabed general pipeline is successively arranged butterfly valve along the direction of water flow, fire-fighting pressure maintaining pump and screw down nonreturn valve simultaneously connect fire main pipe, another seabed general pipeline is successively arranged butterfly valve along the direction of water flow, main fire pump and screw down nonreturn valve simultaneously connect fire main pipe, remaining emergency Sea Chest is successively arranged butterfly valve along the direction of water flow, emergency fire pump and screw down nonreturn valve simultaneously connect fire main pipe, the utility model production is simple, installation side Just, cost can be reduced, can increase the pressure stabilization function of fire-fighting system.
Description
Technical field
The utility model relates to ship's fire fighting technical field more particularly to a kind of fire-fighting system pressure maintaining buffer units.
Background technique
The fixed water fire fighting system of major part ship all uses wet fire protection at present, and entire fire-fighting system need to keep certain pressure
Power, and meet classification society's requirement, general fire-fighting system is also needed in addition to being equipped with normal required main fire pump and emergency fire pump
One fire-fighting pressure maintaining pump and a fire-fighting pressure water tank are set, to maintain system pressure, once after thering is fire hydrant to be opened, be
Pressure reduction of uniting starts fire-fighting pressure maintaining and pumps when triggering fire-fighting pressure maintaining pump pressure switch, carries out ftercompction to system, works as pressure recovery
To when pressure is arranged, fire-fighting pressure maintaining pump is closed, but if system pressure persistently reduces, this opens the pressure for triggering main fire pump
It closes, is fed to start main fire pump to entire fire-fighting system, but design cost in this way is bigger.
Utility model content
The purpose of this utility model is that the pressure buffer device by one section of homemade pipeline as fire-fighting system, maintains
The normal pressure of system cancels a fire-fighting pressure water tank to reduce design cost, and can reduce fire-fighting pressure maintaining pump
Runing time.
To realize the above-mentioned technical purpose, the utility model uses following technical scheme, a kind of fire-fighting system pressure maintaining buffering dress
It sets, including pipeline section, pipeline section lateral arrangement, is sealed at the both ends of pipeline section with blind flange, the lower end of the pipeline section, which is provided with, to disappear
Waterproof port, the upper end of pipeline section are provided with safety valve and compressed air adapter tube, and it is empty to be provided with compression on the compressed air adapter tube
Gas inlet ball valve, fire water interface connect three pipelines in parallel by fire main pipe, are equipped with cut-off non-return on each pipeline
Valve, pressure maintaining pump and butterfly valve, three pipelines in parallel are specially two seawater general pipeline and an emergency Sea Chest, wherein one
Seabed general pipeline is successively arranged butterfly valve, fire-fighting pressure maintaining pump and screw down nonreturn valve along the direction of water flow and connects fire main pipe, and another
Seabed general pipeline is successively arranged butterfly valve, main fire pump and screw down nonreturn valve along the direction of water flow and connects fire main pipe, remaining to answer
Anxious Sea Chest is successively arranged butterfly valve, emergency fire pump and screw down nonreturn valve along the direction of water flow and connects fire main pipe.
Preferably, the pipeline section is made of the pipeline of φ 273mm X 12.7mm, length 1200mm.
Preferably, the volume of the pipeline section is 50L.
When the utility model comes into operation, it is only necessary in system normal use, compressed air inlet ball valve is opened, to this guarantor
It presses buffer unit to carry out part tonifying Qi, guarantees the air for having 1/3 or so volume in device, when system pressure reaches 7bar
When, fire-fighting pressure maintaining pump is out of service, and when system pressure is reduced to 5bar, fire-fighting pressure maintaining pump startup increases whole system
Pressure, when system pressure reaches 7bar, fire-fighting pressure maintaining pump stops；If when systems stay reduces, when being reduced to 4.5bar, main fire-fighting
Pump startup is pressurized whole system, is mounted with this device, effectively reduces the running frequency of fire-fighting pressure maintaining pump, operation
Simply, practical and at low cost, it can increase the pressure stabilization function of fire-fighting system.
The utility model is sealed in the both ends of pipeline section setting blind flange, to facilitate the surface treatment of pipeline section early period,
3 branch pipes, respectively compressed air adapter tube, fire water interface and relief valve connection are opened among pipeline section, wherein compressed air is taken over
With relief valve connection in side, the later period, upward, fire water interface was in other side, installation in the two interface directions during installation
This interface is directed downward, and when normal work, is opened compressed air valve, is replenished some compressed airs, as long as there is little water outflow,
System pressure just sharply declines, but air has certain elasticity, can also maintain pressure after water outflow, reduce pressure oscillation,
When system pressure is reduced to it is certain when, triggering fire-fighting pressure maintaining pump pressure switch, starting fire-fighting pressure maintaining pump, to maintain internal system pressure
Power, the utility model is easy to operate practical, can reduce cost, can increase the pressure stabilization function of fire-fighting system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Wherein: 1, safety valve；2, compressed air inlet ball valve；3, blind flange；4, screw down nonreturn valve；5, butterfly valve；6, fire-fighting
Pressure maintaining pump；7, main fire pump；8, emergency fire pump；9, seawater general pipeline；10, emergency Sea Chest；11, fire main pipe；12, compression is empty
Gas adapter tube；13, pipeline section；14, fire water interface.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the company being also possible to inside two elements
It is logical, it can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term as the case may be.
As shown in Figure 1, a kind of fire-fighting system pressure maintaining buffer unit,
Including pipeline section 13,13 lateral arrangement of pipeline section is sealed, the pipeline section 13 in the both ends blind flange 3 of pipeline section 13
Lower end be provided with fire water interface 14, the upper end of pipeline section 13 is provided with safety valve 1 and compressed air adapter tube 12, and the compression is empty
Compressed air inlet ball valve 1 is provided on gas adapter tube 12, fire water interface 14 connects 3 pipes in parallel by fire main pipe 11
Road is equipped with screw down nonreturn valve 4, pressure maintaining pump and butterfly valve 5 on each pipeline, and 3 pipelines in parallel are specially that 2 seawater are total
Pipe 9 and 1 emergency Sea Chest 10, wherein a seabed general pipeline 9 is successively arranged butterfly valve 5 along the direction of water flow, fire-fighting pressure maintaining pumps 6 and
Screw down nonreturn valve 4 simultaneously connects fire main pipe 11, and another seabed general pipeline 9 is successively arranged butterfly valve 5, main fire pump along the direction of water flow
7 and screw down nonreturn valve 4 and fire main pipe 11 is connected, remaining emergency Sea Chest 10 is successively arranged butterfly valve 5 along the direction of water flow, answers
Anxious fire pump 8 and screw down nonreturn valve 4 simultaneously connect fire main pipe 11.
Preferably, the pipeline section 13 is made of the pipeline of φ 273mm X 12.7mm, length 1200mm.
Preferably, the volume of the pipeline section 13 is 50L.
When the utility model comes into operation, it is only necessary in system normal use, compressed air inlet ball valve is opened, to this guarantor
It presses buffer unit to carry out part tonifying Qi, guarantees the air for having 1/3 or so volume in device, when system pressure reaches 7bar
When, fire-fighting pressure maintaining pump is out of service, and when system pressure is reduced to 5bar, fire-fighting pressure maintaining pump startup increases whole system
Pressure, when system pressure reaches 7bar, fire-fighting pressure maintaining pump stops；If when systems stay reduces, when being reduced to 4.5bar, main fire-fighting
Pump startup is pressurized whole system, is mounted with this device, effectively reduces the running frequency of fire-fighting pressure maintaining pump, operation
Simply, practical and at low cost, it can increase the pressure stabilization function of fire-fighting system.
The utility model is sealed in the both ends of pipeline section setting blind flange, to facilitate the surface treatment of pipeline section early period,
3 branch pipes, respectively compressed air adapter tube, fire water interface and relief valve connection are opened among pipeline section, wherein compressed air is taken over
With relief valve connection in side, the later period, upward, fire water interface was in other side, installation in the two interface directions during installation
This interface is directed downward, and when normal work, is opened compressed air valve, is replenished some compressed airs, as long as there is little water outflow,
System pressure just sharply declines, but air has certain elasticity, can also maintain pressure after water outflow, reduce pressure oscillation,
When system pressure is reduced to it is certain when, triggering fire-fighting pressure maintaining pump pressure switch, starting fire-fighting pressure maintaining pump, to maintain internal system pressure
Power, the utility model is easy to operate practical, can reduce cost, can increase the pressure stabilization function of fire-fighting system.
In the description of this specification, the description meaning of reference term " one embodiment ", " example " or " some examples " etc.
Refer to that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, particular features, structures, materials, or characteristics described in any one or more embodiments or can be shown
It can be combined in any suitable manner in example.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (3)
1. a kind of fire-fighting system pressure maintaining buffer unit, which is characterized in that including pipeline section, pipeline section lateral arrangement, at the both ends of pipeline section
It is sealed with blind flange, the lower end of the pipeline section is provided with fire water interface, and the upper end of pipeline section is provided with safety valve and compression
Air adapter tube, the compressed air, which is taken over, is provided with compressed air inlet ball valve, and fire water interface passes through fire main pipe and connects
Three pipelines in parallel are equipped with screw down nonreturn valve, pressure maintaining pump and butterfly valve on each pipeline, and three pipelines in parallel are specific
For two seawater general pipeline and an emergency Sea Chest, wherein a seabed general pipeline is successively arranged butterfly valve, fire-fighting along the direction of water flow
Pressure maintaining pump and screw down nonreturn valve simultaneously connect fire main pipe, and another seabed general pipeline is successively arranged butterfly valve along the direction of water flow, master disappears
Anti- pump and screw down nonreturn valve simultaneously connect fire main pipe, and remaining emergency Sea Chest is successively arranged butterfly valve, emergency along the direction of water flow
Fire pump and screw down nonreturn valve simultaneously connect fire main pipe.
2. pressure maintaining buffer unit according to claim 1, which is characterized in that the pipeline section uses φ 273mm X 12.7mm
Pipeline production, length 1200mm.
3. pressure maintaining buffer unit according to claim 1, which is characterized in that the volume of the pipeline section is 50L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820924981.2U CN208756832U (en) | 2018-06-14 | 2018-06-14 | A kind of fire-fighting system pressure maintaining buffer unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820924981.2U CN208756832U (en) | 2018-06-14 | 2018-06-14 | A kind of fire-fighting system pressure maintaining buffer unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208756832U true CN208756832U (en) | 2019-04-19 |
Family
ID=66127726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820924981.2U Active CN208756832U (en) | 2018-06-14 | 2018-06-14 | A kind of fire-fighting system pressure maintaining buffer unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208756832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114344770A (en) * | 2022-01-18 | 2022-04-15 | 中船黄埔文冲船舶有限公司 | Wet-type water fire control pressurizer and boats and ships |
| RU2814523C1 (en) * | 2022-11-11 | 2024-02-29 | Федеральное государственное бюджетное военное образовательное учреждение высшего образования "Черноморское высшее военно-морское ордена Красной Звезды училище имени П.С. Нахимова" Министерства обороны Российской Федерации (г. Севастополь) | Method for suppressing and reducing intensity of fire in isolated compartment system |
-
2018
- 2018-06-14 CN CN201820924981.2U patent/CN208756832U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114344770A (en) * | 2022-01-18 | 2022-04-15 | 中船黄埔文冲船舶有限公司 | Wet-type water fire control pressurizer and boats and ships |
| RU2814523C1 (en) * | 2022-11-11 | 2024-02-29 | Федеральное государственное бюджетное военное образовательное учреждение высшего образования "Черноморское высшее военно-морское ордена Красной Звезды училище имени П.С. Нахимова" Министерства обороны Российской Федерации (г. Севастополь) | Method for suppressing and reducing intensity of fire in isolated compartment system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gu Pengcheng Inventor after: Lan Binbin Inventor before: Gu Chengpeng Inventor before: Lan Binbin |