CN107213564A - A kind of froth fire extinguishing system measures self-balancing type hybrid technology - Google Patents
A kind of froth fire extinguishing system measures self-balancing type hybrid technology Download PDFInfo
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- CN107213564A CN107213564A CN201710541682.0A CN201710541682A CN107213564A CN 107213564 A CN107213564 A CN 107213564A CN 201710541682 A CN201710541682 A CN 201710541682A CN 107213564 A CN107213564 A CN 107213564A
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- foam
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- foam solution
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0036—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using foam
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
A kind of froth fire extinguishing system measures self-balancing type hybrid technology, including fire water pipeline, foam solution pipeline, the fire water pipeline is provided with fire-fighting current gauge, proportioner, the foam solution pipeline is provided with isolating valve, control ball valve, foam flow meters, isolating valve, output end connects proportioner through foam solution pipeline, proportioner output end connects foam mixing liquid pipeline, the control signal output connection Local Controller of the fire-fighting current gauge, control ball valve and foam flow meters, Local Controller output end connection fire protection control center.Foam solution and the mixing ratio scope of fire water live can be set, and voluntarily balance the relation between the actual fire water flow in scene and foam flow quantity, it is ensured that foam mixing liquid ratio is all the time in zone of reasonableness.Froth fire extinguishing system flow adjustment range is wider, pressure flow loss is small, flow detection, control accuracy are higher, and SRT is fast, on-site manual can be facilitated to operate, realizing foam solution, high accuracy mixes requirement for a long time with fire water, improves the fire extinguishing effectiveness of froth fire extinguishing system.
Description
Technical field
Can be monitored in real time the present invention relates to a kind of metering of froth fire extinguishing system self-balancing type hybrid technology, particularly one kind,
Foam mixing liquid high accuracy mixing for a long time and the metering self-balancing type hybrid technology for being applied to all kinds of froth fire extinguishing systems.
Background technology
Existing froth fire extinguishing system is main to balance based on pressure type and pressure of storage tank formula.In practical application, balance pressure
Power formula froth fire extinguishing system foam mixing liquid piping feeding distance is longer, and its mixed-precision is difficult to be guaranteed, and there is bubble
The delayed, trackability of foam liquid supply is not enough, foams mix ratio can not meet requirement（＜ 3%）The problems such as, meanwhile, System Control Center
Timing monitoring can not be carried out to foam solution mixing ratio, its application and development in Code in Hazardous Special Locations is seriously limited；Pressure of storage tank formula
Froth fire extinguishing system can only be compared with ensureing foam mixing liquid precision in the range of low discharge, and equipment can not realize in use
Continuously fill, be not suitable for the fire extinguishing demand in large-scale place.
And the metering-type froth fire extinguishing system controlled based on variable-frequency motor proposed in recent years, it mixes essence in foam solution
Degree, mixing efficiency and improve notable on the response time, mainly by flowmeter, controller, frequency converter, variable-frequency motor, plunger pump etc.
Part is constituted, and system is through Frequency Converter Control variable-frequency motor rotating speed to correct foam solution quantity delivered, but the system cost is relatively
Height, control mode is also relatively more multiple.
A kind of froth fire extinguishing system metering self-balancing type hybrid technology of the present invention is by controlling foam solution pipeline
On the aperture of control ball valve adjust foam solution quantity delivered, ensureing mixed-precision, mixing efficiency and the response time of system
Under the premise of technical indicator, system cost is reduced, system reliability is improved, its control mode is simplified, makes the dimension of system
Shield is more convenient.
The content of the invention
The object of the present invention is to provide a kind of froth fire extinguishing system metering self-balancing type hybrid technology, the metering self-balancing
The mixing ratio scope of foam solution and fire water in formula hybrid technology live can be set, once setting, system will be made with this ratio
For reference, the relation between the actual fire water flow in scene and foam flow quantity is voluntarily balanced, it is ensured that foam mixing liquid ratio exists
Whole fire phases are all the time in zone of reasonableness.Meanwhile, the application of the technology makes froth fire extinguishing system flow adjustment range more
Extensively, pressure flow loss is small, and flow detection, control accuracy are higher, and SRT is fast, on-site manual can be facilitated to operate, real
Having showed foam solution, high accuracy mixes requirement for a long time with fire water, improves the fire extinguishing effectiveness of froth fire extinguishing system.
The technical scheme realized above-mentioned purpose and taken, including fire water pipeline, foam solution pipeline, the fire water pipeline
Fire-fighting current gauge, proportioner are provided with, the foam solution pipeline is provided with isolating valve, control ball valve, foam flow quantity
Meter, isolating valve, output end connects proportioner through foam solution pipeline, and proportioner output end connects foam mixing liquid pipeline,
The control signal output connection Local Controller of the fire-fighting current gauge, control ball valve and foam flow meters, is controlled on the spot
Device output end processed connects fire protection control center.
Beneficial effect
The present invention has advantages below compared with prior art.
With intellectuality, centralizedly supply formula, foam solution and fire water, high accuracy is mixed into core to the present invention for a long time, realizes bubble
The monitoring in real time of foam mixed liquor mixing ratio is functional character, improves foam solution to the trackability of fire water and the fire extinguishing effectiveness of system,
Formation integrates digitlization, intellectuality, high accuracy, the novel foam extinguishing technology of quick response.
The mixing ratio scope of foam solution and fire water in the metering self-balancing type hybrid technology live can be set, once set
Fixed, system will voluntarily be balanced the relation between the actual fire water flow in scene and foam flow quantity, protected using this ratio as reference
Foam mixing liquid ratio is demonstrate,proved to be in zone of reasonableness all the time in whole fire phases.Meanwhile, the application of the technology makes foam fire-fighting
Flow system flow adjustable range is wider, pressure flow loss is small, and flow detection, control accuracy are higher, and SRT is fast, can be square
Just on-site manual is operated, and realizing foam solution, high accuracy mixes requirement for a long time with fire water, improves froth fire extinguishing system
Fire extinguishing effectiveness.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is principle schematic diagram of the invention.
Embodiment
A kind of froth fire extinguishing system measures self-balancing type hybrid technology, including fire water pipeline 3, foam solution pipeline 7, such as schemes
Shown in 1, the fire water pipeline 3 be provided with fire-fighting current gauge 4, proportioner 5, the foam solution pipeline 7 be provided with every
Disconnected valve 8, control ball valve 9, foam flow meters 10, the output end of isolating valve, 8 connect proportioner 5, ratio through foam solution pipeline 7
The output end of blender 5 connection foam mixing liquid pipeline 6, the fire-fighting current gauge 4, control ball valve 9 and foam flow meters 10
Control signal output connection Local Controller 2, the output end of Local Controller 2 connection fire protection control center 1.
The isolating valve, 8 is arranged on the downstream of control ball valve 9 and foam flow meters 10, and foam flow meters 10 are arranged on
Control the upstream of ball valve 9 and isolating valve, 8.
The proportioner 5 is located at the end of fire water pipeline 3 and foam solution pipeline 7.
Embodiment
Froth fire extinguishing system of the present invention measures self-balancing type hybrid technology, its technical schematic diagram as shown in figure 1, bag
Include：Fire protection control center 1, Local Controller 2, fire water pipeline 3, fire-fighting current gauge 4, proportioner 5, foam mixing liquid
The parts such as pipeline 6, foam solution pipeline 7, isolating valve, 8, control ball valve 9, foam flow meters 10.
Concrete structure and annexation are as follows：Fire-fighting current gauge 4 is installed on fire water pipeline 3；Isolating valve, 8, control
Ball valve 9, foam flow meters 10 are installed on foam solution pipeline 7；Isolating valve, 8 is arranged on control ball valve 9 and foam flow meters
10 downstreams；Foam flow meters 10 are arranged on control ball valve 9 and the upstream of isolating valve, 8；Proportioner 5 is located at fire water pipeline 3
With the end of foam solution pipeline 7；Data-traffic signals and control ball valve that fire-fighting current gauge 4 and foam flow meters 10 are detected
9 spheroid opening amount signals are uploaded to Local Controller 2, and Local Controller 2 is monitored by fire protection control center 1.
The operation principle of the present invention is：When fire occurs for scene, start froth fire extinguishing system, installed in fire water pipeline
The flow of fire water and foam solution is detected respectively with the flowmeter on foam solution pipeline and uploads both datas on flows at once
To Local Controller, Local Controller calculates foam mixing liquid ratio through difference channel, and with artificial foam set in advance
Mixed liquor ratio range（3.0%~3.9%）It is compared, such as actual ratio exceeds the ratio range of predetermined set, now on the spot
Motor of the controller transmission actuating signal to control ball valve top, motor receives control instruction and drives ball for ball valve to turn
It is dynamic, change foam flow quantity to adapt to the change of fire water flow by adjusting control ball valve aperture；Meanwhile, foam flow quantity
Change conditions feed back to Local Controller in good time, until the ratio of display foam flow quantity and fire water flow recovers to setting in advance
When in fixed ratio range, control ball valve maintains spheroid open position and is stopped.Fire water and bubble by Flow-rate adjustment
Foam liquid reaches protection object after being mixed in proportioner through foam mixing liquid pipeline and generator.Whole fire extinguishing rank
Section, foam flow quantity can be carried out with the change of fire water flow and automatically adjusted, according to manually being preset in Local Controller
Ratio range, balance foam flow quantity and fire water flow between relation, it is ensured that mixing ratio remains at zone of reasonableness
It is interior, to meet the requirement of foam mixing liquid high accuracy mixing for a long time.
Fire protection control center 1 can be monitored to Local Controller 2 and scene protection object.
Local Controller 2 can show that the ratio value manually set in advance, fire water flow, foam flow quantity, scene are actual
Foam solution and fire water flow ratio and control ball valve opening, the fire-fighting that Local Controller 2 is uploaded according to flowmeter during work
Water-carrying capacity and foam flow quantity calculate the actual foam solution in scene and fire water flow ratio through difference channel, then by control logic
Ball valve aperture on circuit regulation foam solution pipeline.
Fire water pipeline 3 and foam solution pipeline 7 select corronil seamless steel pipe.
Fire-fighting current gauge 4 and foam flow meters 10 are applied to various fluid media (medium)s, especially containing a certain amount of impurity
Fluid, with measurement accuracy it is high, calculate the time it is fast the features such as.
Proportioner 5 uses porous plug in construction, can effectively reduce foam solution and fire water in proportioner
The pressure flow loss in portion, improves mixing efficiency.
Isolating valve, 8 is installed on the most downstream of foam solution pipeline 7, usually in normally open, is functionally similar to check-valves, prevents
Only firing-fighting medium is poured into foam solution pipeline..
Ball valve 9 is controlled to be arranged on foam solution pipeline and positioned between foam flow meters 10 and isolating valve, 8, with automatic
With manual regulatory function, control ball valve 9 top motor uses the line stepper drive motors of two-phase six, inner flow passage be provided with into
Mouth angle of throat, outlet widening angle and throttle orifice.
Foam solution supplies form using foam station, and the centralizedly supply of whole protection zone firing-fighting medium can be achieved.
The mixing ratio of raising foam solution trackability, fire water and foam solution is in reasonable ratio all the time in whole fire phases
In the range of and mixing efficiency is high, the metering self-balancing type mixing arrangement response time is fast, and digitlization, intelligence degree are high, foam solution
Form is supplied using foam station, the concentrated protection of zone of protection can be achieved.
The outer flowmeter for being affixed on pipeline outer wall detects foam solution and fire water flow and is uploaded to scene on the spot in real time respectively
Controller, fire water and foam are voluntarily balanced by live Local Controller according to fire water flow by adjusting control ball valve aperture
Relation between flow quantity.
It is suitable for various fluid media (medium)s, is particularly suitable for the fluid containing a certain amount of impurity, calculates that the time is fast, measurement accuracy
Height, detected pipeline drift diameter and rate of flow of fluid scope is big.
Foam solution and fire water flow ratio range can be set, can show that fire water flow, foam flow quantity and ball valve are opened
Degree, can control ball valve opening and closing and rotation amplitude.
With automatically and manually regulatory function, motor uses the line stepper drive motors of two-phase six, and inner flow passage is set
There is feed liquor angle of throat, go out the liquid angle of flare and throttle orifice.Achievable foam flow quantity is a wide range of, quick, accurate adjustment, driving moment
Torque is small with maintaining.
Using porous plug in construction, firing-fighting medium is not easily blocked, not vulnerable to pollution, and pressure flow loss is small, can show
Write the mixing efficiency of lifting foam solution and fire water.
Prevent firing-fighting medium from pouring into foam solution pipeline.
Claims (3)
1. a kind of froth fire extinguishing system measures self-balancing type hybrid technology, including fire water pipeline (3), foam solution pipeline（7）, its
It is characterised by, the fire water pipeline (3) is provided with fire-fighting current gauge（4）, proportioner（5）, the foam solution pipeline
（7）It is provided with isolating valve,（8）, control ball valve（9）, foam flow meters（10）, isolating valve,（8）Output end is through foam solution pipeline
（7）Connect proportioner（5）, proportioner（5）Output end connects foam mixing liquid pipeline（6）, the fire water flow
Meter（4）, control ball valve（9）With foam flow meters（10）Control signal output connection Local Controller（2）, control on the spot
Device（2）Output end connects fire protection control center（1）.
2. a kind of froth fire extinguishing system metering self-balancing type hybrid technology according to claim 1, it is characterised in that described
Isolating valve,（8）Installed in control ball valve（9）With foam flow meters（10）Downstream, foam flow meters（10）Installed in control
Ball valve（9）And isolating valve,（8）Upstream.
3. a kind of froth fire extinguishing system metering self-balancing type hybrid technology according to claim 1 and 2, it is characterised in that
The proportioner（5）Positioned at fire water pipeline（3）With foam solution pipeline（7）End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710541682.0A CN107213564A (en) | 2017-07-05 | 2017-07-05 | A kind of froth fire extinguishing system measures self-balancing type hybrid technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710541682.0A CN107213564A (en) | 2017-07-05 | 2017-07-05 | A kind of froth fire extinguishing system measures self-balancing type hybrid technology |
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| Publication Number | Publication Date |
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| CN107213564A true CN107213564A (en) | 2017-09-29 |
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| CN201710541682.0A Withdrawn CN107213564A (en) | 2017-07-05 | 2017-07-05 | A kind of froth fire extinguishing system measures self-balancing type hybrid technology |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107982828A (en) * | 2018-01-08 | 2018-05-04 | 北京中卓时代消防装备科技有限公司 | The foams mix device and its control method of foam liquid supply vehicle |
| CN110279973A (en) * | 2019-07-11 | 2019-09-27 | 北京中卓时代消防装备科技有限公司 | A kind of froth fire extinguishing system testing inspection platform |
| CN113504151A (en) * | 2021-06-10 | 2021-10-15 | 中国核电工程有限公司 | Device and method for measuring foam mixing ratio of foam fire-fighting system based on density method |
| CN114306996A (en) * | 2021-12-31 | 2022-04-12 | 上海震旦施密茨消防装备有限公司 | Compressed air foam generating device and using method thereof |
| CN115738139A (en) * | 2022-11-17 | 2023-03-07 | 徐工消防安全装备有限公司 | Foam system, foam fire fighting truck and control method of foam system |
| CN115887979A (en) * | 2022-12-20 | 2023-04-04 | 广州瑞港消防设备有限公司 | Large-traffic intelligent regulation foam fire extinguishing system |
| CN118045318A (en) * | 2024-04-16 | 2024-05-17 | 河南省威特消防设备有限公司 | Heptafluoropropane foam proportion mixing system |
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| CN201120060Y (en) * | 2007-11-21 | 2008-09-24 | 北京中卓时代消防装备科技有限公司 | Electric-controlled automatic foam scale mixer of fire vehicle |
| CN202961579U (en) * | 2012-11-21 | 2013-06-05 | 西安新竹防灾救生设备有限公司 | Automatic foam proportioner |
| CN202995484U (en) * | 2012-12-06 | 2013-06-12 | 四川森田消防装备制造有限公司 | A round-the-pump electronic control foam proportion controller |
| CN103816633A (en) * | 2014-02-26 | 2014-05-28 | 上海博灿信号设备有限公司 | Intelligent proportionally-mixing system for foam |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201120060Y (en) * | 2007-11-21 | 2008-09-24 | 北京中卓时代消防装备科技有限公司 | Electric-controlled automatic foam scale mixer of fire vehicle |
| CN202961579U (en) * | 2012-11-21 | 2013-06-05 | 西安新竹防灾救生设备有限公司 | Automatic foam proportioner |
| CN202995484U (en) * | 2012-12-06 | 2013-06-12 | 四川森田消防装备制造有限公司 | A round-the-pump electronic control foam proportion controller |
| CN103816633A (en) * | 2014-02-26 | 2014-05-28 | 上海博灿信号设备有限公司 | Intelligent proportionally-mixing system for foam |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107982828A (en) * | 2018-01-08 | 2018-05-04 | 北京中卓时代消防装备科技有限公司 | The foams mix device and its control method of foam liquid supply vehicle |
| CN110279973A (en) * | 2019-07-11 | 2019-09-27 | 北京中卓时代消防装备科技有限公司 | A kind of froth fire extinguishing system testing inspection platform |
| CN113504151A (en) * | 2021-06-10 | 2021-10-15 | 中国核电工程有限公司 | Device and method for measuring foam mixing ratio of foam fire-fighting system based on density method |
| CN114306996A (en) * | 2021-12-31 | 2022-04-12 | 上海震旦施密茨消防装备有限公司 | Compressed air foam generating device and using method thereof |
| CN115738139A (en) * | 2022-11-17 | 2023-03-07 | 徐工消防安全装备有限公司 | Foam system, foam fire fighting truck and control method of foam system |
| CN115887979A (en) * | 2022-12-20 | 2023-04-04 | 广州瑞港消防设备有限公司 | Large-traffic intelligent regulation foam fire extinguishing system |
| CN118045318A (en) * | 2024-04-16 | 2024-05-17 | 河南省威特消防设备有限公司 | Heptafluoropropane foam proportion mixing system |
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Application publication date: 20170929 |