CN101433746B - Oil tank fire fighting unit and method - Google Patents
Oil tank fire fighting unit and method Download PDFInfo
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- CN101433746B CN101433746B CN2007101140697A CN200710114069A CN101433746B CN 101433746 B CN101433746 B CN 101433746B CN 2007101140697 A CN2007101140697 A CN 2007101140697A CN 200710114069 A CN200710114069 A CN 200710114069A CN 101433746 B CN101433746 B CN 101433746B
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Abstract
The invention provides an oil tank fire protecting device and a method thereof. In the device, a fire trench encircles the circumference of an oil tank, and is communicated with an oil product collecting well; a froth fire extinguishing system is arranged between the fire trench and the oil product collecting well; an oil product on fire can easily flow to the oil product collecting well through a froth fire extinguishing channel, thereby effectively controlling expansion of a fire disaster, and avoiding waste of the oil product; an injection pipe with a gradually reduced inner diameter ensures that cooling water cannon spray has high cooling water pressure and long cannon shot so as to realize oil tank cooling; and the device is simple with low cost, and is applicable to single tank or tank group.
Description
Technical field
The invention belongs to the oil tank fire fighting device, a kind of specifically when race material, fire and explosion accident take place to leak oil tank, be oil tank fire fighting unit and the oil tank fire-fighting method that prevents that oil product is wandering and fire spread enlarges.
Background technology
Inflammable and the flammable liquid that the oil depot oil tank stores belongs to blast and fire hazard article, and the fire prevention of oil depot oil tank is very important work.In case land storage tank breaking out of fire explosive failure accident, oil product can flow out outside the oil tank, trickling everywhere, and big fire spread is out of control.In order to prevent that above-mentioned situation from taking place, standard GB 50074-2002 " Code for design of petroleum depots " stipulates that the land storage tank group should be established fire wall; Can stop, draw in the oil product that flows out, in order to putting out of fire, but when fire takes place; Fire wall has influenced drill again, has removed water and personnel's escape, if the sudden cracking of high liquid level lower tank takes place, fire wall possibly destroyed by rush of water; All oil product leaks, and the intensity of a fire is difficult to control, can cause the bigger intensity of a fire on the contrary.
Summary of the invention
To the above-mentioned shortcoming of fire wall, the present invention provides a kind of oil product that both can draw outflow in, does not influence the oil tank fire fighting unit and the oil tank fire-fighting method of drill and evacuating personnel again.
Goal of the invention of the present invention is realized by following technical scheme: a kind of oil tank fire fighting unit, it is characterized in that fire trench 2 is centered around the periphery of oil tank 1, and fire trench 2 is communicated with the oil product collection and deposits well 3, and fire trench 2 and oil product collection are deposited has froth fire extinguishing system 12 between the well 3.
The oil tank 1 burning oil product that flows out that breaks on fire from explosion gets into fire trench 2 with fire, has prevented that it from trickling everywhere, after froth fire extinguishing system 12 fire extinguishings, flows into the oil product collection and deposits well 3, does not have stopping of fire wall, does not influence drill and evacuating personnel.
Be stamped grate 4 on the fire trench 2, grate 4 is lower than ground on every side.Grate 4 both can make the oil product of outflow get into fire trench 2, made personnel, vehicle, machinery through fire trench 2 convenience again.
It is foam fire-fighting passage 5 that fire trench 2 and oil product collection are deposited between the well 3, and froth fire extinguishing system 12 is installed on the foam fire-fighting passage 5.
The ground level at place, oil tank 1 basis reduces to fire trench 2 gradually; Fire trench 2 bottom surface height reduce to fire trench 2 and foam fire-fighting passage 5 junctions gradually; Foam fire-fighting passage 5 bottom surface height are deposited well 3 to the oil product collection and are reduced gradually.The break oil product that flows out of oil tank 1 flows to fire trench 2, foam fire-fighting passage 5 and oil product collection smoothly and deposits well 3.
Foam fire-fighting passage 5 is coated types; The applicator 10 of froth fire extinguishing system 12 connects foam maker 11, and applicator 10 is above 5 li in foam fire-fighting passage.
The well head that the oil product collection is deposited well 3 seals, and relief hole 6 is communicated with the oil product collection and deposits inside and outside the well 3: relief hole has spark arrester 9 for 6 li.In case have flame to get into relief hole 6, spark arrester 9 makes fray-out of flame.
The periphery of oil tank 1 has cooling water cannon 7, and cooling water cannon 7 connects cooling water pump through water supply line, and water supply line is embedded in underground, and cooling water pump is by controlling running away from the control room of oil tank 1.Avoid the fire fighter to lean on oil tank too near and injured.
Be connected with high pressure valve between cooling water cannon 7 and the cooling water pump.High pressure valve is by controlling away from the control room of oil tank 1.
The playpipe internal diameter of cooling water cannon 7 is reduced to jet by base portion gradually.The cooling water pressure that the playpipe that internal diameter reduces gradually sprays cooling water cannon 7 is big, far firing range.
The oil product collection is deposited well 3 and is provided with pump, can be with foam, water, oil product sucking-off.
A kind of oil tank fire-fighting method; It is characterized in that when oil tank 1 is on fire when blasting break accident, the oil product that is burning flows out outside the oil tank 1, because the ground level at place, oil tank 1 basis reduces to fire trench 2 gradually; The oil product that flows out gets into fire trench 2 with fire through grate 4; Because the bottom surface in the fire trench 2 reduces to foam fire-fighting passage 5 gradually, the oil product that is therefore burning can flow to foam fire-fighting passage 5 easily, and froth fire extinguishing system 12 is with the oil product fray-out of flame of burning; Because the bottom surface of foam fire-fighting passage 5 is also deposited well 3 to the oil product collection and reduced gradually, the very fast entering oil product collection of oil product that is mixed with foam, water is deposited well 3; The oil product collection of sealing is deposited the relief hole 6 connection oil product collection of well 3 and is deposited inside and outside the well 3, and relief hole has spark arrester 9 for 6 li, in case there is flame to get into relief hole 6, spark arrester 9 makes fray-out of flame; The oil product collection is deposited well 3 and is provided with pump, can be with foam, water, oil product sucking-off; The periphery of oil tank 1 has cooling water cannon 7, and cooling water cannon 7 connects cooling water pump through being embedded in underground water supply line, or connects cooling water pump through high pressure valve, can connect the cooling water cannon of a plurality of oil tanks; Cooling water pump is 1 cooling of 7 pairs of oil tanks of cooling water cannon when controlling running away from the control room of oil tank 1 and need, and also can cooperate the foam fire-fighting processing of putting out a fire.When the cooling of charge water pump when a plurality of oil tanks 1 provide cooling water, supply water by high pressure valve control cooling water cannon 7 to needs cooling oil tank 1,
Advantage of the present invention is that fire trench, oil product collection are deposited well, froth fire extinguishing system and drawn oil tank the break oil product and the fire extinguishing of the burning of flowing out in, and the control fire expands, and does not influence drill and evacuating personnel; Equipped cooling water cannon when oil tank receives the big fire threat, is able to cooling around the oil tank; The cooling water pressure that the playpipe that internal diameter reduces gradually sprays the cooling water cannon is big; Far firing range, apparatus of the present invention are simple, and cost is low; This oil tank fire-fighting method reclaims when fast oil tank being broken the oil product fire extinguishing of flowing out, and has effectively controlled the expansion of the intensity of a fire and has avoided the waste of oil product; This method is applicable to single jar or group jar.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A profile of Fig. 1.
The specific embodiment
Accompanying drawings.Oil tank 1 is a floating roof tank among the figure, and fire trench 2 is a center ring around, fire trench 2 apart from the distance on oil tank 1 basis greater than 1/2nd of oil tank 1 height with oil tank 1, and oil tank 1 basic root reduces to the inboard limes marginis of fire trench 2 gradually, 15 ° of ground line gradients.Be stamped grate 4 on the fire trench 2, grate 4 is lower slightly than ground, both can make the oil product of outflow get into fire trench 2, makes personnel, vehicle, machinery through fire trench 2 convenience again.Each oil tank 1 of tank farm is all centered on by fire trench 2.Foam fire-fighting passage 5 connects fire trench 2 and deposits well 3 with the oil product collection; Bottom surface in the fire trench 2 reduces to fire trench 2 and foam fire-fighting passage 5 junctions gradually; 22 ° of bottom of trench ground line gradients, the bottom surface height of foam fire-fighting passage 5 are deposited well 3 to the oil product collection and are reduced by 15 ° of the passage bottom gradients gradually.The oil product collection is deposited well 3 and can be used with a fire trench 2, also can be used with a plurality of fire trench 2, and the foam fire-fighting passage 5 of left side level connects another fire trench 2 among Fig. 1, and each fire trench 2 all is equipped with foam fire-fighting passage 5.Foam fire-fighting passage 5 is coated types; Froth fire extinguishing system 12 is installed on the foam fire-fighting passage 5; Three of froth fire extinguishing system 12 applicators 10 evenly distribute among Fig. 2, connect foam maker 11, and applicator 10 is above 5 li in foam fire-fighting passage; The froth fire extinguishing system 12 oil product fray-out of flame of will burning, the oil product that is mixed with foam, water gets into the oil product collection and deposits well 3.The well head that the oil product collection is deposited well 3 seals, and relief hole 6 is communicated with the oil product collection to be deposited inside and outside the well 3, and relief hole has spark arrester 9 for 6 li, in case there is flame to get into relief hole 6, spark arrester 9 makes fray-out of flame.The oil product collection is deposited well 3 and is provided with pump, can foam, water, oil product sucking-off not illustrated pump among the figure.Ground, fire trench 2, foam fire-fighting passage 5 lining cement asbestos flame-retardant materials between oil tank 1 and the fire trench 2.Horizontal pipe 14 1 ends in underground right side connect the cooling of charge water pump among Fig. 2, and the cooling water pump delivery port is connected with high pressure valve, and cooling of charge water pump, high pressure valve are controlled running by the control room; The control room avoids the fire fighter to lean on oil tank too near and injured away from beyond 40 meters of oil tank 1, when the cooling of charge water pump when a plurality of oil tanks 1 provide cooling water; Supply water by the cooling water cannon 7 of high pressure valve control to needs cooling oil tank 1; High pressure valve, cooling of charge pump, control room are not shown among the figure, and underground right side horizontal pipe 14 other ends connect underground circular and connect water cannon pipeline 8, connect water cannon pipeline 8 connects cooling water cannon 7 through underground vertical water supply line 13 among Fig. 2 playpipe base portion; With oil tank 1 is evenly to arrange nine and cool off water cannon 7 in the center; The playpipe internal diameter of ground cooling water cannon 7 reduces forward from base portion gradually, and the base portion internal diameter is 180mm, laterally the arrange jet of three diameter 25mm of the playpipe front end 15 of cooling water cannon 7; The jet of both sides all is 15 ° with middle jet angle; The jet diameter is when 25mm-32mm, and the cooling water pressure of injection is maximum, and range farthest.
When oil tank is blasted break accident; The oil product that is burning can flow out outside the oil tank, and the oil product of outflow gets into fire trench 2 through grate 4, because the bottom surface in the fire trench 2 reduces to foam fire-fighting passage 5 gradually; The bottom surface of foam fire-fighting passage 5 is also deposited well 3 to the oil product collection and is reduced gradually; Therefore the oil product that is burning can flow to foam fire-fighting passage 5 easily, and froth fire extinguishing system 12 is with the oil product fray-out of flame of burning, and the very fast entering oil product collection of oil product that is mixed with foam, water is deposited well 3; The relief hole 6 connection oil product collection that the oil product collection of sealing is deposited in the well 3 are deposited inside and outside the well 3, and relief hole has spark arrester 9 for 6 li, in case there is flame to get into relief hole 6, spark arrester 9 makes fray-out of flame; The oil product collection is deposited well 3 and is provided with pump, can be with foam, water, oil product sucking-off; The periphery of oil tank 1 has cooling water cannon 7, and the 7 pairs of oil tanks of cooling water cannon cooling when needing also can cooperate the foam fire-fighting processing of putting out a fire.
Fire protection of the present invention is effective, and particularly pernicious to some, fire disaster and burst accident can be controlled the scene fast and effectively, prevent fire spreading, reduces the oil product loss, go through dangers personnel's life security of protection.
Claims (10)
1. an oil tank fire fighting unit is characterized in that fire trench (2) is centered around the periphery of oil tank (1), and fire trench (2) is communicated with the oil product collection and deposits well (3), and fire trench (2) and oil product collection are deposited has froth fire extinguishing system (12) between the well (3).
2. a kind of oil tank fire fighting unit according to claim 1 is characterized in that being stamped grate (4) on the fire trench (2), and grate (4) is lower than ground on every side.
3. a kind of oil tank fire fighting unit according to claim 1 is characterized in that it is foam fire-fighting passage (5) that fire trench (2) and oil product collection are deposited between the well (3), and froth fire extinguishing system (12) is installed on the foam fire-fighting passage (5).
4. a kind of oil tank fire fighting unit according to claim 1 is characterized in that the ground level at place, oil tank (1) basis reduces to fire trench (2) gradually; Fire trench (2) bottom surface height reduces to fire trench (2) and foam fire-fighting passage (5) junction gradually; Foam fire-fighting passage (5) bottom surface height is deposited well (3) to the oil product collection and is reduced gradually.
5. according to claim 3 or 4 described a kind of oil tank fire fighting units, it is characterized in that foam fire-fighting passage (5) is a coated type; The applicator (10) of froth fire extinguishing system (12) connects foam maker (11), and applicator (10) is in the top of foam fire-fighting passage (5) lining.
6. according to claim 1 or 4 described a kind of oil tank fire fighting units, it is characterized in that the oil product collection deposits the well head of well (3) and seal, relief hole (6) is communicated with the oil product collection and deposits inside and outside the well (3); There is spark arrester (9) relief hole (6) lining.
7. a kind of oil tank fire fighting unit according to claim 1; The periphery that it is characterized in that oil tank (1) has cooling water cannon (7); Cooling water cannon (7) connects cooling water pump through water supply line, and water supply line is embedded in underground, and cooling water pump is by controlling running away from the control room of oil tank (1).
8. a kind of oil tank fire fighting unit according to claim 7 is characterized in that cooling off between water cannon (7) and the cooling water pump and is connected with high pressure valve.
9. according to claim 7 or 8 described a kind of oil tank fire fighting units, it is characterized in that the playpipe internal diameter that cools off water cannon (7) is reduced to jet by base portion gradually.
10. oil tank fire-fighting method; It is characterized in that when oil tank (1) is on fire when blasting break accident; The oil product that is burning flows out outside the oil tank (1); Because the ground level at place, oil tank (1) basis reduces to fire trench (2) gradually, the oil product of outflow gets into fire trench (2) with fire through grate (4), because the bottom surface in the fire trench (2) reduces to foam fire-fighting passage (5) gradually; Therefore the oil product that is burning can flow to foam fire-fighting passage (5) easily; Froth fire extinguishing system (12) reduces the oil product fray-out of flame of burning because well (3) is also deposited to the oil product collection in the bottom surface of foam fire-fighting passage (5) gradually, and the very fast entering oil product collection of oil product that is mixed with foam, water is deposited well (3); The oil product collection of sealing is deposited relief hole (6) the connection oil product collection of well (3) and is deposited inside and outside the well (3), and there is spark arrester (9) relief hole (6) lining, in case there is flame to get into relief hole (6), spark arrester (9) makes fray-out of flame; The oil product collection is deposited well (3) and is provided with pump, can be with foam, water, oil product sucking-off; The periphery of oil tank (1) has cooling water cannon (7), and cooling water cannon (7) connects cooling water pump through being embedded in underground water supply line, or connects cooling water pump through high pressure valve, and cooling water pump connects the cooling water cannon of an above oil tank; Cooling water pump cooling water cannon (7) when controlling running away from the control room of oil tank (1) and need also can cooperate the foam fire-fighting processing of putting out a fire to oil tank (1) cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101140697A CN101433746B (en) | 2007-11-14 | 2007-11-14 | Oil tank fire fighting unit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101140697A CN101433746B (en) | 2007-11-14 | 2007-11-14 | Oil tank fire fighting unit and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101433746A CN101433746A (en) | 2009-05-20 |
| CN101433746B true CN101433746B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101140697A Expired - Fee Related CN101433746B (en) | 2007-11-14 | 2007-11-14 | Oil tank fire fighting unit and method |
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| CN (1) | CN101433746B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151378B (en) * | 2011-05-16 | 2013-01-23 | 西安长庆科技工程有限责任公司 | Fireproof method of forest edge region oil well site |
| CN103147613B (en) * | 2012-11-24 | 2015-09-09 | 戴旭苗 | Enemy plane bombs automatically extinguishing oil depot |
| CN106362327B (en) * | 2016-08-26 | 2019-12-17 | 周洋鑫 | Vault jar with fire control facility |
| CN106417217B (en) * | 2016-12-06 | 2022-10-18 | 福建省罗源创鲜农业科技有限公司 | Domestic fungus insecticidal spraying system |
| CN109865222A (en) * | 2019-01-22 | 2019-06-11 | 安徽建筑大学 | Oil pumping system of oil storage tank |
| CN109675225A (en) * | 2019-01-29 | 2019-04-26 | 安徽省国发石化设备有限责任公司 | A kind of multistage fire fighting extinguisher in oil tank |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1745861A (en) * | 2005-10-14 | 2006-03-15 | 张维顶 | Fire-equipment water jetting cooler of oil tank |
| CN2766893Y (en) * | 2005-02-03 | 2006-03-29 | 高峰 | Oil tank fire extinguishing self-saving device |
| JP2006290446A (en) * | 2005-04-14 | 2006-10-26 | Idemitsu Eng Co Ltd | Disaster preventive system for tank |
-
2007
- 2007-11-14 CN CN2007101140697A patent/CN101433746B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2766893Y (en) * | 2005-02-03 | 2006-03-29 | 高峰 | Oil tank fire extinguishing self-saving device |
| JP2006290446A (en) * | 2005-04-14 | 2006-10-26 | Idemitsu Eng Co Ltd | Disaster preventive system for tank |
| CN1745861A (en) * | 2005-10-14 | 2006-03-15 | 张维顶 | Fire-equipment water jetting cooler of oil tank |
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| Publication number | Publication date |
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| CN101433746A (en) | 2009-05-20 |
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Granted publication date: 20120530 Termination date: 20181114 |