CN101327362B - High-pressure fine water mist fire-extinguishing system - Google Patents
High-pressure fine water mist fire-extinguishing system Download PDFInfo
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- CN101327362B CN101327362B CN2008100295939A CN200810029593A CN101327362B CN 101327362 B CN101327362 B CN 101327362B CN 2008100295939 A CN2008100295939 A CN 2008100295939A CN 200810029593 A CN200810029593 A CN 200810029593A CN 101327362 B CN101327362 B CN 101327362B
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Abstract
The present invention discloses a high-pressure tiny water-fog extinguishing system, and comprises a water storage tank, a disconnecting valve, a high-pressure water pump, a high-pressure transmission pipe, a throttling valve, a spraying pipe and a nozzle, which are serially connected to each other, wherein, the high-pressure water pump is a high-pressure gear water pump; the inlet of the high-pressure water pump is arranged below the lowest working water level of the water storage tank. The high-pressure gear water pump is applied to the high-pressure tiny water-fog extinguishing system; since the high-pressure gear water pump has small volume, and the pressure at the outlet of the high-pressure gear water pump is high, and the pump head can reach thousand meters or more, the high-pressure tiny water-fog extinguishing system can resolve the difficulties that the prior centrifugal-typed water pump is unavailable to extinguish the fire at the high-rise buildings or to extinguish the fire caused by certain comburent.
Description
Technical field
The present invention relates to a kind of fire extinguishing system, particularly a kind of high-pressure fine water mist fire-extinguishing system.
Background technology
Generally below 1.2Mpa, the fire extinguishing water that is generated is fountain to the pressure of supply water of traditional automatic fire extinguishing system that modern high-rise building (10 layers of private residences, other building is more than 24 meters) adopts.Water consumption is big, and water damage is big, and the in-situ processing difficulty is big after the calamity.
General building often adopts alkyl halide series because of not establishing automatic fire extinguishing system, good extinguishing effect, but produce poison gas, and contaminated environment, international Montreal Convention in 1987 has been stipulated to stop using in the world after 2010.Fire-fighting techniques such as traditional low pressure CO 2 system, quick fire-sprinkling system and mist system not only have very big harm to the fire fighter, and have problems such as the water for fire extinguishing amount is big, water damage big, the misoperation consequence is serious.
What high-pressure fine water mist fire-extinguishing system sprayed through special nozzle when stamping out a fire is thin water smoke, water consumption can reduce 70～80%, thin water smoke disperse can produce big area coverage and air in the space isolated, cut off oxygen supply, the fire extinguishing effect is remarkable, and water damage is few after the calamity, fire damage is few, the scene is easy to cleaning.Occasions such as oil depot, plastics combustibles, the folded buttress of sheet material, computer floor, books, archives, reference room, radio station, telephone switching center, Complex Control Center there is unique advantages, is used for general fire initial stage and shows outstanding effect.
The key problem in technology that adopts high-pressure fine water mist fire-extinguishing system is to need high-pressure hydraulic pump to supply water.The BD pump that present high-pressure fine water mist fire-extinguishing system generally adopts is a centrifugal water pump, even plural serial stage, can not reach the specification requirement of positive displacement pump outlet pressure 12～16MPa, moreover the BD pump has bulky, shortcomings such as volumetric efficiency is low, energy consumption is big, cost is high, difficult in maintenance have been difficult to satisfy the requirement of modern fire-fighting operation.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, it is water supply power source, the water spray high-pressure fine water mist fire-extinguishing system that lift is far away, nozzle structure is various informative, easy to loading and unloading that a kind of positive displacement high-pressure gear water pump that adopts is provided.
Be the technical scheme that realizes that purpose of the present invention adopts: a kind of high-pressure fine water mist fire-extinguishing system, comprise storage tank, stop valve, high-pressure hydraulic pump, high pressure water transport pipe, choke valve, sparge pipe and the shower nozzle of serial connection successively, described high-pressure hydraulic pump is a high-pressure gear water pump, its water inlet is positioned at below the lowest working water level of described storage tank, and the water during with assurance work in the storage tank can pour in the high-pressure gear water pump under atmospheric pressure.
In order to realize the present invention better, described high-pressure gear water pump comprises the pump housing, at the two ends of the pump housing drive end bearing bracket and rear end cap is set respectively, and the pump housing and forward and backward end cap are formed a confined space; Central authorities at the pump housing are provided with drive shaft and driven shaft, on two axles, have a pair of intermeshing driving gear and driven gear respectively, be separately installed with unsteady front side board and back side panel in the both sides of driving gear and driven gear, on the outer surface of end face that forward and backward side plate and a pair of intermeshing driving gear contact with driven gear and forward and backward side plate and two inner hole wall, ceramic layer arranged all; On the working surface of a pair of intermeshing driving gear and driven gear, drive shaft and driven shaft one deck nitration case is arranged all; One side flank of the gear teeth non-stress of driving gear and driven gear is the flank of handling through tip relief.
Each endoporus is equipped with two grooves on the wall of liquid sucting port one side of described high-pressure gear water pump in two endoporus of described front side board, has the water transport channel that is communicated with described groove and described high-pressure gear water pump leakage fluid dram on described front side board; Each endoporus is equipped with two grooves on the wall of liquid sucting port one side of described high-pressure gear water pump in two endoporus of described back side panel, has the water transport channel that is communicated with described groove and described high-pressure gear water pump leakage fluid dram on the described back side panel.
Be parallel with overflow valve and Pressure gauge between the delivery port of described high-pressure gear water pump and the high pressure water transport pipe.
Described high pressure water transport pipe is the high pressure infusion tube, and its outer surface is equipped with the anti-stainless steel ring that expands at a certain distance.
Described sparge pipe is the telescopic sparge pipe of multilayer, is provided with the O RunddichtringO between each layer; The leading section of described sparge pipe is provided with the hand-held handle; Described sparge pipe is being provided with the convex shoulder that one section band screws nut with described shower nozzle junction.
Described shower nozzle comprises circumferential formula fine mist spray head or horizontal-type fine mist spray head.
Described circumferential formula fine mist spray head is uniform 24～48 hole for water sprayings on 360 ° circumference, the aperture＜0.5mm of described each hole for water spraying, orifice throat length＜2mm.
Described horizontal-type fine mist spray head comprises single row type fine mist spray head and double-row type fine mist spray head; Aperture＜the 0.5mm of each hole for water spraying in the described shower nozzle, orifice throat length＜2mm; Spacing between the hole for water spraying is 20～100mm, and the quantity of hole for water spraying is 20～50.
Described double-row type fine mist spray head is parallel the interlocking of position of hole for water spraying up and down.
The present invention with respect to the advantage and the effect of prior art is:
1, high-pressure gear water pump of the present invention belongs to positive displacement pump, common positive displacement pump (gear pump, vane pump, notes plug pump etc.) all is medium with fluid, is used in the pure water transmission appearance water-based that needs to solve pump (anti-corrosion, wear-resisting, can generate self-lubricating film etc.) and leaks serious problem (viscosity of water be oil viscosity 1/30～1/50).High-pressure gear water pump of the present invention is by being provided with forward and backward floating side plate, the improvement aspect structures such as one deck nitration case and the material selection being set on the working surface of two pitch wheels and power transmission shaft thereof in the pump housing, solved high-pressure gear water pump and be used in the appearance water-based in the pure water transmission and the problem of leakage.This high-pressure gear water pump is applied in the high-pressure fine water mist fire-extinguishing system of the present invention, because the high-pressure gear water pump volume is little, the outlet pressure height, its lift can reach more than the km, can solve the difficult problem that present employing centrifugal water pump can't carry out the fire fire extinguishing that high-rise is put out a fire or some comburant causes.
2, in high-pressure gear water pump, each endoporus is equipped with two grooves in two endoporus of forward and backward side plate on the wall of liquid sucting port one side of described high-pressure gear water pump, water under high pressure flows in above-mentioned eight grooves drive shaft and driven shaft is played a supportive role, can reduce the uneven radial load that causes greatly because of delivery port pressure, be equivalent to the effect of hydrodynamic journal liquid polymers, it has alleviated the wearing and tearing to bearing, has improved gear-driven quality, has reduced the noise of high-pressure gear water pump work.
3, the plastics high pressure infusion tube of Cai Yonging, price is 1/3～1/2 of a general high voltage rubber hose only, has reduced cost.
4, owing to adopted high-pressure gear water pump, the outlet pressure of hole for water spraying can realize greater than 12MPa, therefore formed thin water smoke active area is big, and atomizing effect is good, is that general fire-fighting mode is incomparable.
5, because sparge pipe is the extension type sparge pipe, be provided with the O RunddichtringO between each layer, the length of shrinking the back sparge pipe is not more than 2 meters, and full elongation is not more than 10 meters, and the leading section of sparge pipe is provided with the hand-held handle, is very easy to fire fighter's operation.
6, the fine mist spray head of the terminal of telescopic sparge pipe installation can be selected single, multiple structural shapes many rows, circumferential according to the type and the needs of fire; Because the terminal mouth of pipe place of sparge pipe is welded with one section and has the convex shoulder that screws nut, therefore, can realize the quick loading and unloading and the locking of shower nozzle, change conveniently, connect reliable.
Description of drawings
Fig. 1 is the structural representation of the high-pressure gear water pump of high-pressure fine water mist fire-extinguishing system of the present invention;
Fig. 2 is the A-A profile of Fig. 1;
Fig. 3 is the structural representation of front side board of the high-pressure gear water pump of Fig. 1;
Fig. 4 is the partial sectional view of front side board of the high-pressure gear water pump of Fig. 1;
Fig. 5 is the structural representation of a kind of circumferential formula shower nozzle of high-pressure fine water mist fire-extinguishing system of the present invention;
Fig. 6 is the B-B cutaway view of Fig. 5;
Fig. 7 is the structural representation of a kind of horizontal-type shower nozzle of high-pressure fine water mist fire-extinguishing system of the present invention;
Fig. 8 is the C-C cutaway view of Fig. 7;
Fig. 9 is the fundamental diagram of high-pressure fine water mist fire-extinguishing system of the present invention.
The specific embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited thereto.
The concrete structure of high-pressure fine water mist fire-extinguishing system mesohigh gear water pump of the present invention such as Fig. 1～shown in Figure 4: the composition of high-pressure gear water pump comprises drive shaft 1, on this axle, have driving gear 5, drive shaft 1 has sealing ring 15 with drive end bearing bracket 2 contact positions, the rear end face of drive end bearing bracket 2 has sealing ring 3, and the drive end bearing bracket 2 and the pump housing 4, rear end cap 7 are formed the space of a sealing; In the pump housing, be provided with driven shaft 14 and on driven gear 43; Be separately installed with unsteady front side board 13 and back side panel 6 in the both sides of driving gear 5 and driven gear 43, front side board 13 has identical structure with back side panel 6; On front side board 13, back side panel 6 and driving gear 5 and end face that driven gear 43 contacts, ceramic layer 11 and 10 are arranged; Ceramic layer 12 and 8 are arranged respectively on the outer surface of front side board 13 and back side panel 6, on four inner hole walls of front side board 13 and back side panel 6 one deck ceramic layer 9 is arranged all; Described ceramic layer 8,9,10,11,12 is generating Al compared with the prior art
2O
3In the technical process of ceramic layer, having embedded nano superhard, ultra-fine (＜20nm) ceramic powders forms new composite ceramic layer, with general Al
2O
3Ceramic layer relatively has higher hardness and wearability.One deck steel alloy nitration case is all arranged on the working surface of a pair of intermeshing driving gear 5 and driven gear 43, drive shaft 1 and driven shaft 14; Each endoporus is equipped with two grooves 17 on the wall of liquid sucting port one side of high-pressure gear water pump in two endoporus of front side board 13; Each endoporus is equipped with two grooves 17 on the wall of liquid sucting port one side of high-pressure gear water pump in two endoporus of back side panel 6.When high-pressure gear water pump is worked, high pressure liquid stream flows into rectangular recess 17 from the leakage fluid dram of high-pressure gear water pump through passage 16, water under high pressure flows in this groove 17 drive shaft 1 and driven shaft 14 is played a supportive role, to reduce the uneven radial load that causes greatly because of outlet pressure, be equivalent to the effect of hydrodynamic journal liquid polymers, it has alleviated the wearing and tearing to bearing, improves gear-driven quality, reduces noise.Simultaneously, in order to improve the meshing quality of high-pressure gear water pump middle gear, reduce the transmission noise, improve dynamic characteristic, can produce the gear teeth of diastrophic intermeshing driving gear 5 and driven gear 43 to stand under load, can carry out tip relief at a side flank position of its non-stress and handle, impact thereby produce when avoiding two intermeshing gear teeth work.
The concrete structure of circumferential formula shower nozzle such as Fig. 5 in the high-pressure fine water mist fire-extinguishing system of the present invention～shown in Figure 6: wherein 23 is terminals of telescopic sparge pipe, described terminal 23 by with screw cooperating of nut 21, link to each other with circumferential formula shower nozzle, the 22nd, sealing gasket, the 20th, head body, the 19th, the leakproof seal packing ring that the terminal 23 of sparge pipe is connected with head body 20, the 18th, circumferential formula nozzle.Fig. 6 is the cutaway view of circumferential formula nozzle 18, wherein 24 is the structural representation of a hole for water spraying, uniform 24～48 hole for water sprayings on 360 ° of circumference of a circumferential formula nozzle 18, aperture＜the 0.5mm of each hole for water spraying, orifice throat length＜2mm, adopt martensitic stain less steel make and through Quenching Treatment to obtain higher hardness and wearability.Circumferentially formula nozzle 18 be shaped as hexagon, be convenient to loading and unloading.
The concrete structure of horizontal-type shower nozzle such as Fig. 7 in the high-pressure fine water mist fire-extinguishing system of the present invention～shown in Figure 8: 25 is the sealing plug at head body 27 two ends among Fig. 7, the 26th, and seal washer.Fig. 8 is the radial cross-section of Fig. 7,28 one of them hole for water spraying of expression, and described horizontal-type shower nozzle is connected with the terminal 23 of described sparge pipe with the cooperation that screws nut 21 by external screw thread 29.Aperture＜the 0.5mm of hole for water spraying in the horizontal-type shower nozzle, orifice throat length＜2mm, its layout is divided into two kinds of single row type and parallel double-row types, and the spacing between the hole for water spraying is 20～100mm, hole for water spraying quantity is 20～50, and the position of the upper and lower hole for water spraying of double-row type is parallel staggered.Material that this shower nozzle is selected and Technology for Heating Processing are identical with circumferential formula shower nozzle.
Operation principle of the present invention as shown in Figure 9, Fig. 9 mesohigh gear water pump and shower nozzle adopt Fig. 1～structure shown in Figure 8, the water inlet of high-pressure gear water pump is installed in below the lowest working water level of storage tank, so that the water in when work storage tank can pour in the high-pressure gear water pump under atmospheric pressure.High-pressure fine water mist fire-extinguishing system of the present invention can be divided into fixed and portable two kinds according to the occasion of using.The fixed high-rise that is applicable to is provided with the occasion of automatic fire protection system, and is portable then be applicable to the occasion of some other no automatic fire protection system.
High-pressure fine water mist fire-extinguishing system of the present invention is applied to the automatic fire control occasion: as shown in Figure 9: fixedly storage tank 30 generally should be installed in basement, can adopt cement masonry to form; Also can be installed on other floor or the top layer and (generally adopt the stainless steel welding), the storage tank 30 of this moment is irritated for pressure, and its operating pressure is at 12～14Mpa, and the water filling pressue device, the safety valve that are provided with automatic open valve, control automatically.When cigarette, temperature, light detection device send the fire extinguishing signal, this moment, robot control system(RCS) was opened fine mist spray head 42, realized fire extinguishing under the high service state.The working procedure of this kind system is: open driving machine (frequency-conversion and speed-regulation motor) by the signal that monitor transmits, drive high-pressure gear water pump 33 rotations (this moment, stop valve 32 was in normally open), through air water filter 31 from fixedly directly delivering in fine mist spray head through permanent piping system water the storage tank 30, the control of its flow has been set up through choke valve 39 when mounted, each fine mist spray head is and is connected in parallel, and is aggregated on the backbone pipeline by each arm.After fire extinguishing finished, by manually cutting off the electricity supply, pump 33 quit work, and each automatic control system and element return to original state.
Embodiment 2
High-pressure fine water mist fire-extinguishing system of the present invention is applied to mobile fire-fighting occasion: the storage tank 30 of this moment is one to be installed in the fixedly water tank on the fire fighting truck, consider the influence of environment for use, the loam cake of this water tank is the closed body orifice that leaves, be convenient to clean and use, and the water filter 41 of air-filtering formula is installed in this tank top, with in the secluding air and the bulky grain pollutant in the water.Stop valve 32 quits work and maybe need overhaul, is used for when changing cutting off cistern water supply at pump.Driving machine 34 adopts independent generator-motor group or is directly driven by fuel engines, automobile engine.Under driving machine 34 adjustable speed situations, pump 33 belongs to variable pump, and the condition of a disaster of visual scene of fire is regulated the size of flow.The exit of pump 33 safety overflow valve 36 in parallel and Pressure gauge 35 are for preventing system overload and setting up the delivery side of pump operating pressure and use.At the plastics high pressure infusion tube 37 of pump 33 exits series connection, its length is longer, is equipped with capstan arrangement on fire fighting truck, can store up to receive tens meters long flexible pipes, puts pipe during use flexibly, rapidly, freely.End at plastics high pressure infusion tube 37 connects one section separator tube and support 38 thereof, the bigger recoil that produces when being used for offsetting shower nozzle work, and play supporting role to sparge pipe 41, shank at support 38 is equipped with roller so that move, it can be packed up when not required, support 38 is manufactured with weight reduction by high-strength aluminum alloy for truss structure.Choke valve 39 is to be used for regulating the operating pressure of the spray water bundle that fine mist spray head sprays and flow in the hope of reaching best duty.The 40th, hand-held handle is fixed on the outermost layer of telescopic sparge pipe 41, is provided with O type rubber seal between telescopic sparge pipe 41 each layers, and the 42nd, shower nozzle.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; anyly do not deviate from the change done under spiritual essence of the present invention and the principle, modification, substitute, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (8)
1. high-pressure fine water mist fire-extinguishing system, comprise storage tank, stop valve, high-pressure hydraulic pump, high pressure water transport pipe, choke valve, sparge pipe and the shower nozzle of serial connection successively, it is characterized in that described high-pressure hydraulic pump is a high-pressure gear water pump, its water inlet is positioned at below the lowest working water level of described storage tank; Described high-pressure gear water pump comprises the pump housing, at the two ends of the pump housing drive end bearing bracket and rear end cap is set respectively, and the pump housing and forward and backward end cap are formed a confined space; Central authorities at the pump housing are provided with drive shaft and driven shaft, on two axles, have a pair of intermeshing driving gear and driven gear respectively, be separately installed with unsteady front side board and back side panel in the both sides of driving gear and driven gear, on the outer surface of end face that forward and backward side plate and a pair of intermeshing driving gear contact with driven gear and forward and backward side plate and two inner hole wall, be equipped with ceramic layer; On the working surface of a pair of intermeshing driving gear and driven gear, drive shaft and driven shaft one deck nitration case is arranged all; One side flank of the gear teeth non-stress of driving gear and driven gear is the flank of handling through tip relief; Each endoporus is equipped with two grooves on the wall of liquid sucting port one side of described high-pressure gear water pump in two endoporus of described front side board, has the water transport channel that is communicated with described groove and described high-pressure gear water pump leakage fluid dram on described front side board; Each endoporus is equipped with two grooves on the wall of liquid sucting port one side of described high-pressure gear water pump in two endoporus of described back side panel, has the water transport channel that is communicated with described groove and described high-pressure gear water pump leakage fluid dram on the described back side panel.
2. according to the described high-pressure fine water mist fire-extinguishing system of claim 1, it is characterized in that, be parallel with overflow valve and Pressure gauge between the delivery port of described high-pressure gear water pump and the high pressure water transport pipe.
3. according to the described high-pressure fine water mist fire-extinguishing system of claim 1, it is characterized in that described high pressure water transport pipe is the high pressure infusion tube, its outer surface is equipped with the anti-stainless steel ring that expands at a certain distance.
4. according to the described high-pressure fine water mist fire-extinguishing system of claim 1, it is characterized in that described sparge pipe is the telescopic sparge pipe of multilayer, is provided with the O RunddichtringO between each layer; The leading section of described sparge pipe is provided with the hand-held handle; Described sparge pipe is being provided with the convex shoulder that one section band screws nut with described shower nozzle junction.
5. according to the described high-pressure fine water mist fire-extinguishing system of claim 1, it is characterized in that described shower nozzle comprises circumferential formula fine mist spray head or horizontal-type fine mist spray head.
6. according to the described high-pressure fine water mist fire-extinguishing system of claim 5, it is characterized in that described circumferential formula fine mist spray head is uniform 24～48 hole for water sprayings on 360 ° circumference, the aperture＜0.5mm of described each hole for water spraying, orifice throat length＜2mm.
7. according to the described high-pressure fine water mist fire-extinguishing system of claim 5, it is characterized in that described horizontal-type fine mist spray head comprises single row type fine mist spray head and double-row type fine mist spray head; Aperture＜the 0.5mm of each hole for water spraying in the described shower nozzle, orifice throat length＜2mm; Spacing between the hole for water spraying is 20～100mm, and the quantity of hole for water spraying is 20～50.
8. according to the described high-pressure fine water mist fire-extinguishing system of claim 7, it is characterized in that described double-row type fine mist spray head is parallel the interlocking of position of hole for water spraying up and down.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100295939A CN101327362B (en) | 2008-07-21 | 2008-07-21 | High-pressure fine water mist fire-extinguishing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100295939A CN101327362B (en) | 2008-07-21 | 2008-07-21 | High-pressure fine water mist fire-extinguishing system |
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| CN101327362A CN101327362A (en) | 2008-12-24 |
| CN101327362B true CN101327362B (en) | 2011-05-04 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103908758B (en) * | 2014-04-15 | 2016-08-17 | 武汉大学 | A kind of production, manage, the anti-Ore-controlling Role of fire in three-in-one place of staying |
| CN108283771A (en) * | 2017-07-19 | 2018-07-17 | 深圳市新天泽消防工程有限公司 | A kind of fire extinguishing apparatus used in fire protection engineering |
| CN111068207B (en) * | 2019-12-26 | 2020-12-08 | 彩虹（合肥）液晶玻璃有限公司 | Automatic fire extinguishing device for natural gas pressure regulating station |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1377716A (en) * | 2002-04-26 | 2002-11-06 | 浙江大学 | Movable directly high pressure atomized fine water fog fire extinguisher |
| CN2712396Y (en) * | 2004-08-13 | 2005-07-27 | 河南海力特机电制造有限公司 | Pipe network type high pressure single flow water mist fire suppression device |
| CN2767707Y (en) * | 2004-10-11 | 2006-03-29 | 白桦 | High-pressure gear water pump |
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2008
- 2008-07-21 CN CN2008100295939A patent/CN101327362B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1377716A (en) * | 2002-04-26 | 2002-11-06 | 浙江大学 | Movable directly high pressure atomized fine water fog fire extinguisher |
| CN2712396Y (en) * | 2004-08-13 | 2005-07-27 | 河南海力特机电制造有限公司 | Pipe network type high pressure single flow water mist fire suppression device |
| CN2767707Y (en) * | 2004-10-11 | 2006-03-29 | 白桦 | High-pressure gear water pump |
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Granted publication date: 20110504 Termination date: 20120721 |