CN106621120A - Crisscross water mist fire shield system - Google Patents

Crisscross water mist fire shield system Download PDF

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Publication number
CN106621120A
CN106621120A CN201611164171.3A CN201611164171A CN106621120A CN 106621120 A CN106621120 A CN 106621120A CN 201611164171 A CN201611164171 A CN 201611164171A CN 106621120 A CN106621120 A CN 106621120A
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CN
China
Prior art keywords
water
metal
fire
high pressure
millimeters
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Granted
Application number
CN201611164171.3A
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Chinese (zh)
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CN106621120B (en
Inventor
夏云春
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Hunan Nanyichang Hongdu Fire Fighting Equipment Co ltd
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Anhui University of Architecture
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/06Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/02Nozzles specially adapted for fire-extinguishing
    • A62C31/05Nozzles specially adapted for fire-extinguishing with two or more outlets

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention discloses a crisscross water mist fire shield system. The crisscross water mist fire shield system comprises a high-level water tank, a high-pressure fire pump, a high pressure resistant metal hose and a water mist jet device which are sequentially connected through a water delivery steel pipe. The high-level water tank is provided with a make-up water supply and a water level gauge. High pressure resistant locking adapters are arranged at the two ends of the metal hose. The water mist jet device comprises four arc-shaped metal pipes which are distributed in a crisscross mode, supporting anchors installed below the tail ends of the metal pipes, a high-pressure water uniform distributor arranged at the junction of the four metal pipes, and upper and lower reinforcing ribs connected with the four metal pipes. Upper ports of the four metal pipes communicate with the high-pressure water uniform distributor. The tail ends of the four metal pipes are closed and form a concentric circle. A plurality of water mist nozzles with openings facing downwards are arranged in the circumferential direction of the metal pipe. The crisscross water mist fire shield system is simple in structure, good in stability and large in coverage area of fire extinguishing, can rapidly and effectively extinguish fires caused by flammable liquid or gas leakage of underground pipelines as well as fires at underground adit entrances, and further has a cooling effect.

Description

Cross-shaped fine mist fire-fighting cover system
Technical field
The present invention relates to fire-fighting domain, more particularly to a kind of cross-shaped fine mist fire-fighting cover system.
Background technology
In recent years, due to the fast development of China's economy, underground oil and gas pipeline arrangement are intricate, often due to The factor such as earth excavation or surface subsidence causes the breakage of pipeline, the pipeline after breakage to produce the quick effusion of flammable medium simultaneously Fire disaster, this accident is caused to happen occasionally in China various places.Must be first according to technical requirements for these pipeline fire Fire extinguishing turns off valve, and maintenance is excavated afterwards, and traditional extinguishing method is utilized in burning point near zone injection dry-chemical fire extinguishing Agent is put out a fire.When having wind, a large amount of extinguishing chemicals are blown away, and blow-off velocity is slow, waste extinguishing chemical seriously, and two can be produced after fire extinguishing Secondary pollution, and contaminated product.And existing double-layer circular fine mist fire-fighting cover system is limited by annular space, scope of putting out a fire Less, the installation site of fighting nozzle is also required to higher precision, and lodging, shadow are easily produced otherwise during ejecting extinguishing Ring extinguishing effect or fire extinguishing cannot be implemented.
Therefore need the fire-fighting mode to fine mist fire-fighting cover system badly to be improved to solve the above problems.
The content of the invention
The technical problem to be solved is to provide a kind of cross-shaped fine mist fire-fighting cover system, can be fast Speed, the leakage combustible fire of effective ground-to-ground down tube net are put out a fire.
To solve above-mentioned technical problem, one aspect of the present invention is:A kind of cross-shaped thin water is provided Mist put out a fire cover system, including the elevated tank, high-pressure fire service pump, high pressure metal hose being sequentially connected by water conveyance steel tube, Water mists injection apparatus, is provided with make-up pipe, water-level gauge on elevated tank, the two ends of metal hose are provided with high pressure resistant locking and connect Clutch;
Water mists injection apparatus includes four circular arc-shaped metal pipes in cross-shaped arrangement, is installed on metal pipe end The upper reinforcement for supporting lower margin, the water under high pressure uniform distributor located at four metal tube infalls, connecting four metal tubes of lower section Muscle, lower reinforcement, the upper port of four metal tubes is connected with water under high pressure uniform distributor, and endcapped simultaneously constitutes a concentric circles, Some downward opening mist-generating nozzles are provided with along metal tube circumferencial direction.
In a preferred embodiment of the present invention, the material of metal tube is stainless steel, a diameter of 40-50 millimeters, and wall thickness is 4-6 millimeters, bending circular arc is 90 °, for the water of conveying high-pressure water uniform distributor distribution.
In a preferred embodiment of the present invention, 3-4 thin water are along the circumferential direction equidistantly spaced from every metal tube Atomizing nozzle so as to the water mists for ejecting can large area effectively cover fire extinguishing scope.
Further, mist-generating nozzle is made up of stainless steel, and jet angle is 120 °, and water inlet caliber is 25-32 millimeters, Export apart from 5-10 centimetres of the center line lower section of metal tube.In implementing the present invention, it may, the inventors discovered that water mists spray When the jet angle of mouth is 120 °, the water mists that it is ejected can form uniform moisture film and be covered on combustion flame, play quick The effect effectively put out a fire.
In a preferred embodiment of the present invention, the material of water under high pressure uniform distributor is stainless steel tube, and interior diameter is 150-200 millimeters, wall thickness is 4-6 millimeters, is highly 400-500 millimeters, and bottom closing, top integral type is provided with length For 20 centimetres, a diameter of 50-75 millimeters of stainless steel connecting tube, high pressure resistant locked engagement device is installed in stainless steel connecting tube upper end. The water that high pressure metal hose conveying comes is entered row buffering and is evenly distributed to four metal tubes by water under high pressure uniform distributor.
In a preferred embodiment of the present invention, four metal pipe ends surround a diameter of 1.5-2.5 meters of concentric circles, So as to form a complete flash absorber without dead angle on combustion flame top.
In a preferred embodiment of the present invention, high pressure resistant locked engagement device is stainless steel fire-fighting connector, a diameter of 50-75 millimeters, wall thickness is 4-6 millimeters.The high pressure resistant locked engagement device is connected with high pressure metal hose, high for feed Pressure water.
The invention has the beneficial effects as follows:
(1) blow-off velocity of cross-shaped fine mist fire-fighting cover system of the present invention is fast, fire-fighting efficiency is high, will not be right Environment produces secondary pollution;And the fire extinguishing coverage of flash absorber can be effectively improved, meet it is quick, effectively put out tank fire Purpose and technical requirements, for exposed imflammable gas or fluid pipeline fire extinguishing after can be also used for its cooling;
(2) cross-shaped fine mist fire-fighting cover system of the present invention had both overcome traditional sprinkling powder extinguishing agent Fire-fighting efficiency is low, waste the serious shortcoming of extinguishing chemical, overcomes again when double-layer circular fine mist fire-fighting covers on spray fire extinguishing agent and holds The drawbacks of easily collapsing;
(3) cross-shaped fine mist fire-fighting cover system simple structure of the present invention, both ensure that the mesh of effective fire extinguishing , lightweight, small volume has been reached again, it is economic and practical, lay, transformation, it is easy to maintenance the characteristics of.
Description of the drawings
Fig. 1 is the structural representation of cross-shaped fine mist fire-fighting cover system one of the invention preferred embodiment;
Fig. 2 is the structural representation of the water mists injection apparatus;
Fig. 3 is the cross-sectional view of the water mists injection apparatus;
The mark of each part is as follows in accompanying drawing:1st, elevated tank, 2, high-pressure fire service pump, 3, water conveyance steel tube, 4, high pressure resistant Locked engagement device, 5, high pressure metal hose, 6, water under high pressure uniform distributor, 7, metal tube, 8, mist-generating nozzle, 9, upper reinforcement Muscle, 10, lower reinforcement, 11, support lower margin, 12, make-up pipe, 13, water-level gauge, 14, stainless steel connecting tube.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy It is easier to be readily appreciated by one skilled in the art, apparent clearly defines so as to make to protection scope of the present invention.
Fig. 1 and Fig. 2 is referred to, the embodiment of the present invention includes:
A kind of cross-shaped fine mist fire-fighting cover system, including the elevated tank 1 being sequentially connected by water conveyance steel tube 3, High-pressure fire service pump 2, high pressure metal hose 5, water mists injection apparatus, are provided with make-up pipe 12, water level on elevated tank 1 Meter 13, the make-up pipe 12 is plastic tube, a diameter of 50-75 millimeters, is connected with neighbouring running water pipe.High pressure metal hose 5 Water inlet end be connected with the high pressure resistant locked engagement device 4 of the end of water conveyance steel tube 3, the port of export by high pressure resistant locked engagement device 4 with it is thin Atomized water spray device is connected.High pressure resistant locked engagement device 4 is stainless steel fire-fighting connector, and a diameter of 50-75 millimeters, wall thickness is 4-6 millimeters.The high pressure resistant locked engagement device 4 is connected with high pressure metal hose 5, for feed water under high pressure.
Water mists injection apparatus includes four circular arc-shaped metal pipes 7 in cross-shaped arrangement, to be installed on metal tube 7 last Support lower margin 11, the water under high pressure uniform distributor 6 located at four infalls of metal tube 7, four metal tubes 7 of connection below end Upper reinforcement 9, lower reinforcement 10.
With reference to Fig. 3, the material of water under high pressure uniform distributor 6 is stainless steel tube, and interior diameter is 150-200 millimeters, and wall thickness is 4-6 millimeters, be highly 400-500 millimeters, bottom closing, top integral type be provided with length for 20 centimetres, a diameter of 50- 75 millimeters of stainless steel connecting tube 14, the upper end of stainless steel connecting tube 14 is installed by high pressure resistant locked engagement device 4.Water under high pressure is evenly distributed Device 6 high pressure metal hose 5 is conveyed the water for coming and is entered row buffering and is evenly distributed to four metal tubes 7.
The material of metal tube 7 is stainless steel, and a diameter of 40-50 millimeters, wall thickness is 4-6 millimeters, and bending circular arc is 90 °, For the water of the distribution of conveying high-pressure water uniform distributor 6.Four metal tubes 7 are arranged in right-angled intersection, are in mutually 90 °, its upper port Connect with water under high pressure uniform distributor 6, endcapped simultaneously constitutes a concentric circles, a diameter of 1.5-2.5 meters of concentric circles, so as to A complete flash absorber without dead angle is formed on combustion flame top.For ensure four metal tubes 7 stability when in use and Intensity requirement, on four metal tubes 7 two-layer reinforcement is provided with, and support lower margin 11 is provided with below the end of metal tube 7, Support lower margin 11 is metal material, and the integrally-built weight of the fire extinguishing system is undertaken by supporting lower margin 11.Along the circumferencial direction of metal tube 7 It is provided with some downward opening mist-generating nozzles 8, it is preferred that be along the circumferential direction equidistantly spaced from 3-4 on every metal tube 7 Individual mist-generating nozzle 8, mist-generating nozzle 8 is made up of stainless steel, and jet angle is 120 °, and water inlet caliber is 25-32 millimeters, mist A diameter of 80-120 microns are dripped, is exported apart from 5-10 centimetres of the center line lower section of metal tube 7 so as to the water mists energy for ejecting Enough large area effectively cover fire extinguishing scope, play the effect of quick effectively fire extinguishing.
The operation principle of the cross-shaped fine mist fire-fighting cover system is:High-pressure fire service pump 2 is by elevated tank 1 Running water pressurization after Jing water conveyance steel tubes 3, high pressure resistant locked engagement device 4, high pressure metal hose 5 supply water under high pressure evenly distribute The road of moisture four with high pressure is supplied device 6, water under high pressure uniform distributor 6 circular arc-shaped metal pipe 7 simultaneously, installed in circular arc gold Mist-generating nozzle 8 on category pipe 7 ejects the enough water mists of fineness, and water mists diffuse and cover the burning above leakage pipe Flame, the coupling that combustion flame is suffocated by water mists, cools down and impacts, flame quickly extinguishes.In high-pressure water tank 1 Height of water level is shown that water level is not enough by water-level gauge 13, the valve supplementary feed on make-up pipe 12 is opened, after reaching certain water level It is automatically switched off feedwater.Pressure tight metal flexible pipe 5 adopts high pressure resistant locked engagement device 4 with water under high pressure uniform distributor 6 and water conveyance steel tube 3 Connection, prevents from threading off.
The present invention is played to underground imflammable gas pipe leakage fire and both fast and effectively put out a fire, and be can be used for again fast Speed, effectively reduce the temperature of exposed underground imflammable gas or fluid pipeline, so as to scene rush to repair personnel in shutoff valve behind the door Repairing in time.Compared with double-layer circular fine mist fire-fighting cover system, its structure is simpler, and good stability more crucially has Effect fire extinguishing scope is improve, its fire extinguishing coverage is bigger, implements also more convenient, particularly large-scale leakage pipe of putting out a fire Fire, blow-off velocity is faster.Deformation Repair is also more convenient, and transport and lifting are convenient, while it is flammable to can be used for underground piping Quick effective fire extinguishing and cooling effect of property liquid leakage fire and tunnel mouth fire etc..
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, it is every using this Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims (7)

1. a kind of cross-shaped fine mist fire-fighting cover system, it is characterised in that include the height being sequentially connected by water conveyance steel tube Position water tank, high-pressure fire service pump, high pressure metal hose, water mists injection apparatus, are provided with make-up pipe, water on elevated tank Position meter, the two ends of metal hose are provided with high pressure resistant locked engagement device;
Water mists injection apparatus includes four circular arc-shaped metal pipes in cross-shaped arrangement, is installed on metal pipe end lower section Support lower margin, the water under high pressure uniform distributor located at four metal tube infalls, connection four metal tubes upper reinforcement, under Reinforcement, the upper port of four metal tubes is connected with water under high pressure uniform distributor, and endcapped simultaneously constitutes a concentric circles, along gold Category pipe circumferencial direction is provided with some downward opening mist-generating nozzles.
2. cross-shaped fine mist fire-fighting cover system according to claim 1, it is characterised in that the material of metal tube is Stainless steel, a diameter of 40-50 millimeters, wall thickness is 4-6 millimeters, and bending circular arc is 90 °.
3. cross-shaped fine mist fire-fighting cover system according to claim 1, it is characterised in that edge on every metal tube Circumferencial direction has been equidistantly spaced from 3-4 mist-generating nozzles.
4. the cross-shaped fine mist fire-fighting cover system according to claim 1 or 3, it is characterised in that mist-generating nozzle It is made up of stainless steel, jet angle is 120 °, water inlet caliber is 25-32 millimeters, is exported apart from the center line lower section of metal tube 5-10 centimetres.
5. cross-shaped fine mist fire-fighting cover system according to claim 1, it is characterised in that water under high pressure is evenly distributed The material of device is stainless steel tube, and interior diameter is 150-200 millimeters, and wall thickness is 4-6 millimeters, is highly 400-500 millimeters, under Portion closes, and top integral type is provided with length for 20 centimetres, a diameter of 50-75 millimeters of stainless steel connecting tube, stainless steel connection Pipe upper end is installed by high pressure resistant locked engagement device.
6. cross-shaped fine mist fire-fighting cover system according to claim 1, it is characterised in that four metal pipe ends Surround a diameter of 1.5-2.5 meters of concentric circles.
7. cross-shaped fine mist fire-fighting cover system according to claim 1, it is characterised in that high pressure resistant locked engagement Device is stainless steel fire-fighting connector, and a diameter of 50-75 millimeters, wall thickness is 4-6 millimeters.
CN201611164171.3A 2016-12-16 2016-12-16 Cross-shaped fine mist fire-fighting cover system Active CN106621120B (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111346327A (en) * 2020-03-09 2020-06-30 安徽建筑大学 Gas fire extinguishing device for horizontal pipeline gas jet fire
CN114135331A (en) * 2021-11-18 2022-03-04 湘潭大学 High-pressure wind-water linkage siltation tailing liquefaction system

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3837405A (en) * 1973-05-11 1974-09-24 Tension Structures Co Fire protection system for arch supported membrane structures
JPH1033711A (en) * 1996-07-25 1998-02-10 Maeda Corp Piping unit for water sprinkling
CN201148642Y (en) * 2007-12-29 2008-11-12 深圳和而泰智能控制股份有限公司 Injection type water-saving cleaning device
CN201959452U (en) * 2010-11-17 2011-09-07 上海麦西石化机械设备制造有限公司 Fixed fire-fighting cooling sprinkler system
CN202447210U (en) * 2012-02-24 2012-09-26 吴三社 Adjustable support type multi-head nozzle
CN103041525A (en) * 2012-12-27 2013-04-17 山东环绿康新材料科技有限公司 Cold aerosol fire-extinguishing method for large floating roof storage tank
CN204034110U (en) * 2014-08-29 2014-12-24 王玉飞 A kind of fire-fighting spray head
CN105664401A (en) * 2016-02-25 2016-06-15 安徽建筑大学 Radial water mist fire extinguishing system for oil storage tank
CN205411974U (en) * 2016-03-29 2016-08-03 洪湖市天信石化设备制造有限公司 Oil tank cooling water spray set

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3837405A (en) * 1973-05-11 1974-09-24 Tension Structures Co Fire protection system for arch supported membrane structures
JPH1033711A (en) * 1996-07-25 1998-02-10 Maeda Corp Piping unit for water sprinkling
CN201148642Y (en) * 2007-12-29 2008-11-12 深圳和而泰智能控制股份有限公司 Injection type water-saving cleaning device
CN201959452U (en) * 2010-11-17 2011-09-07 上海麦西石化机械设备制造有限公司 Fixed fire-fighting cooling sprinkler system
CN202447210U (en) * 2012-02-24 2012-09-26 吴三社 Adjustable support type multi-head nozzle
CN103041525A (en) * 2012-12-27 2013-04-17 山东环绿康新材料科技有限公司 Cold aerosol fire-extinguishing method for large floating roof storage tank
CN204034110U (en) * 2014-08-29 2014-12-24 王玉飞 A kind of fire-fighting spray head
CN105664401A (en) * 2016-02-25 2016-06-15 安徽建筑大学 Radial water mist fire extinguishing system for oil storage tank
CN205411974U (en) * 2016-03-29 2016-08-03 洪湖市天信石化设备制造有限公司 Oil tank cooling water spray set

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111346327A (en) * 2020-03-09 2020-06-30 安徽建筑大学 Gas fire extinguishing device for horizontal pipeline gas jet fire
CN111346327B (en) * 2020-03-09 2021-12-21 安徽建筑大学 Gas fire extinguishing device for horizontal pipeline gas jet fire
CN114135331A (en) * 2021-11-18 2022-03-04 湘潭大学 High-pressure wind-water linkage siltation tailing liquefaction system

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Address after: 230601 Hefei economic and Technological Development Zone, Anhui, No. 292 Ziyun Road

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Patentee before: HEFEI LONGTUTEM INFORMATION TECHNOLOGY Co.,Ltd.