CN102553115A - Anti-dripping fine water mist spray head - Google Patents
Anti-dripping fine water mist spray head Download PDFInfo
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- CN102553115A CN102553115A CN2010106083137A CN201010608313A CN102553115A CN 102553115 A CN102553115 A CN 102553115A CN 2010106083137 A CN2010106083137 A CN 2010106083137A CN 201010608313 A CN201010608313 A CN 201010608313A CN 102553115 A CN102553115 A CN 102553115A
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Abstract
The invention discloses a fine water mist spray head, which is sealed at normal times, is started for spraying when a water feeding pressure reaches a preset value, is used for decomposing water current into fine and dense water drops of smaller than 200 mum for spraying and is shut down and sealed automatically when the feeding water pressure of the spray head falls. The spray head consists of a plurality of size nozzles and a middle nozzle; and a spring pre-fastening rubber ball body is arranged inside the spray head for sealing, so that the spray head is kept in a shut-down state. An anti-dripping fine water mist spray head belongs to the field of fire control. Damages of lightning flash, electric shock and the like caused by flowing liner water current discharged at the start of spraying and at the end of spraying existing in the conventional spray head are eliminated. The anti-dripping fine water mist spray head is provided with a pre-tightening spring, a rubber ball body, a dust-proof cover and a convex ball filter screen. The rubber ball body is closed by pre-tightening, water is not discharged under low water pressures and at the start/end stage of spraying, water discharge is started only when a preset water pressure is reached, and water is rotationally atomized and sprayed out through an atomizing core and the nozzle. The spray head has wide application prospects in the fields of electric power, petrochemical engineering, metallurgy, transportation and the like, and has unique safety on the protection of high-voltage power distribution equipment, diesel engine generator rooms, power transformers and converters.
Description
Technical field
The present invention relates to a kind of fire protection sector of being used for; Close sealing at ordinary times, start when intake pressure reaches predetermined value and spurt, current are resolved into the fine mist spray head less than the fine and closely woven water droplet ejection of 200um; Automatically close during shower nozzle water inlet decompression, belong to fire-fighting fire extinguishing, control fire, fire prevention field.
Background technology
Existing GB GB5135.5-2003 waterfog head.Rated operating pressure is on the low side, is 0.35MPa; Outlet is often opened; Droplet is thicker, and flow is bigger than normal, does not have dust cover and filter screen.
Shower nozzle outlet is at present often opened, and dust and corrosivity pernicious gas are prone to invade shower nozzle, pipe network, the infringement lifetime of system.
Do not have dust cover, the dust in the zone of protection, greasy dirt get into nozzle interior, gather plug nozzle hole and spraying core, influence atomizing effect even spray and lost efficacy.
Filter screen is the plane, and the flow resistance loss is bigger; And do not have the reinforcement locked mechanism, under the high-pressure high-flow water impact, be prone to the distortion that stretches, stop up spraying core and nozzle bore.
Do not have the pretension hermetically-sealed construction, spray initial, finish and low hydraulic pressure under water outlet vow for trickling, direct current water, produce electric leakage, lighting, shock hazard.
Summary of the invention
For solve conventional waterfog head spray initial, finish and low hydraulic pressure dripping down dropped down water, direct current water is vowed and electric leakage, the shock hazard of generation; Spraying core and the susceptible to plugging problem of nozzle bore.The present invention is novel to provide a kind of anti-fine mist spray head that drips, and water inlet is established protrudent sphere and strengthened filter screen, in establish spring pretension rubber spheroid linear sealing structure, the outlet dust hood of setting up defences.When low hydraulic pressure and the beginning and the ending phase of sprinkling, this shower nozzle is anhydrous to be discharged; Have only when intake pressure reaches scheduled pressure value, just promote spring and open, through spraying core/nozzle atomization ejection.
The present invention is achieved in that the anti-fine mist spray head that drips is by pressing locking bolt (1), protruding ball filter screen (2), red copper pad (3), sprayer body (4), spring (6), rubber spheroid (5), spraying core (8), side nozzle (7), middle nozzle (9), dust cover (10) etc. to form.Under initial tension of spring, be the linear sealing closed condition at ordinary times; When beginning to spray,, be in sealing state because the hydraulic pressure at starting mode of pump, pipeline conveying supercharging, shower nozzle place does not reach scheduled pressure value; When intake pressure reached scheduled pressure value, current promoted spring and open, and through spraying core, nozzle atomization ejection, dust cover comes off simultaneously.Spurt when finishing, when the shower nozzle intake pressure is lower than scheduled pressure value, close automatically, avoided the surplus water in the system pipe network, reduce water damage from the trickling of shower nozzle long period, a phenomenon of going here and there.
The invention has the beneficial effects as follows: eliminated spray initial, finish and low hydraulic pressure dripping down, trickling are vowed and electric leakage, lighting, the shock hazard of generation with direct current water the blockage problem of stopped to spray core and nozzle.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the novel section of structure of the present invention.
Fig. 2 is the novel outline drawing of the present invention.
Fig. 3 is the vital part of the present invention in novel: spraying core principal section figure.
Fig. 4 is the vital part of the present invention in novel: spraying core drawing in side sectional elevation.
Fig. 5 is the vital part of the present invention in novel: middle nozzle section figure.
Screen pack: be mold pressing protrudent sphere stainless steel screen pack; Outer perimeter strengthens with the stainless steel sheet| bound edge, and screen pack holds out against with shower nozzle with the pressure locking bolt and intakes in the internal channel, and filter screen bottom is furnished with the red copper pad; Guarantee that the filter screen fastening do not have the gap, prevent that impurity from passing through the filter screen outer rim and getting into the core of respectively spraying.Its circulation area is 4 times of flat screen pack, and anti-current-rush is strong, and resistance to water-flow is little.
Dust cover is the red polytetrafluoroethylene (PTFE) of mold pressing, at ordinary times with nozzle cylindrical interference fit, gathers to depress at the outlet current during sprinkling and blows off; Prevent that dust, insect, greasy dirt in the protection zone from getting into nozzle interior, plug nozzle hole and spraying core, influences atomizing effect.
The spraying core: cut the hole by a middle part straight hole and two skew backs and form, the middle part straight hole is concentric with nozzle bore; Inclined hole and inward turning hole are tangent, and toward inclined to one side 30 ° of jet hole, formation promptly has vortex atomizing, the fine and closely woven droplet crowd of oriented again preceding dash; This shower nozzle is had than the spurt extinguishing ability of big height with the broad spacing.The technical scheme that novel its technical problem of solution of the present invention is taked is:
Adopted spring pretension spheroid conical surface linear sealing structure through design in the shower nozzle inner passage, by the cut sth. askew spraying core in hole of middle part straight hole and bilateral, water inlet is established protruding ball and is strengthened filter screen, and each jet expansion disposes dust cover.
The specific embodiment
The sphere screen pack with lock plunger fixing with shower nozzle influent side internal channel in.Spring one headgear is on the rubber spheroid, and the other end is embedded in the middle nozzle dimple; The rubber spheroid is moved to the water inlet by spring thrust, is in circumference with the body conical sealing seat and contacts, and keeps sealing state.The spraying core is assemblied in each nozzle entrance, and dust cover is placed in each nozzle cylindrical.The rubber spheroid is line with the body conical sealing seat and contacts under the thrust of spring at ordinary times, shower nozzle is remained in close sealing state.When beginning to spray, because hydraulic pressure does not reach scheduled pressure value, shower nozzle is in all the time closes sealing state; When intake pressure reached scheduled pressure value, current promoted spring, the rubber spheroid moves down the disengaging sealing cone, spurt through internal channel to each core of spraying, nozzle atomization, and dust cover comes off simultaneously.Spurt when finishing, when the shower nozzle intake pressure was lower than scheduled pressure value, rubber spheroid in top was closed intake tunnel to sealing cone on the spring, had avoided the surplus water in the system pipe network to drop down, drip phenomenon from the shower nozzle long period.
1) material: head body, spraying core, spray nozzle and spring adopt stainless steel, and intensity is high, and is corrosion-resistant, long service life, reliable operation.
2) rated operating pressure: 2.5MPa.
3) working pressure range: 0.8-2.5MPa.Working pressure range is wide, and adaptability is strong.
4) mounting means: upright downwards, level, oblique installation, installing space is 1.5-2.8m, setting height(from bottom) 2.0-8.0m, the novel adaptability of the present invention is strong.
Claims (3)
1. sealing at ordinary times; Spurt through the intake pressure startup; Make current be decomposed into the anti-fine mist spray head that drips less than the droplet ejection of 200um; Close voluntarily when shower nozzle enters the mouth pressure, shower nozzle is made up of a plurality of side nozzles and a middle nozzle, in establish spring pretension rubber spheroid; Make shower nozzle be in closed condition, anti-drip fine mist spray head by: press locking bolt (1), protruding ball filter screen (2), sprayer body (3), red copper pad (4), rubber spheroid (5), spring (6), spraying core (7), side nozzle (8), middle nozzle (8), dust cover (10) etc. to form.
2. the spraying core in the anti-fine mist spray head that drips according to claim 1 is characterized in that the middle part straight hole is concentric with nozzle bore by 2 inclined hole combinations on middle part straight hole and the limit; 2 inclined holes and inward turning hole are tangent, and toward inclined to one side 30 ° of jet hole; 2 inclined hole water inlets are provided with and expand the angle on middle part straight hole and the limit.
3. the middle nozzle in the anti-fine mist spray head that drips according to claim 1 is characterized in that having atomization chamber, direct current spout, diffusing cone, and atomization chamber and direct current spout are the Internal Spherical Surface transition.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010106083137A CN102553115A (en) | 2010-12-23 | 2010-12-23 | Anti-dripping fine water mist spray head |
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CN2010106083137A CN102553115A (en) | 2010-12-23 | 2010-12-23 | Anti-dripping fine water mist spray head |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104225852A (en) * | 2014-08-22 | 2014-12-24 | 太仓市中峰模具塑胶有限公司 | High-pressure sprayer |
CN107596608A (en) * | 2017-11-08 | 2018-01-19 | 诸暨市海王消防设备有限公司 | A kind of intelligent fire sprinkler tip |
CN108066923A (en) * | 2016-11-14 | 2018-05-25 | 南京消防器材股份有限公司 | A kind of high building fire fighting device |
CN109332026A (en) * | 2018-10-09 | 2019-02-15 | 广州数祺数字科技有限公司 | Rainfall atomization sprayer and system |
CN110178825A (en) * | 2019-07-08 | 2019-08-30 | 河北农业大学 | Garden accurate spraying system based on Kinect |
CN110366987A (en) * | 2019-08-28 | 2019-10-25 | 曾超凡 | A kind of potting automatic irrigation flowerpot |
CN111559007A (en) * | 2020-05-18 | 2020-08-21 | 许昌德通振动搅拌技术有限公司 | Brick making production line and water adding method thereof |
Citations (5)
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CN1730163A (en) * | 2005-09-01 | 2006-02-08 | 韩铁夫 | Multi-nozzle enclosed type middle and low pressure water mist sprayer |
CN2815426Y (en) * | 2005-09-01 | 2006-09-13 | 韩铁夫 | Multi-nozzle closed medium-low pressure fine fog spraying head |
CN1861224A (en) * | 2006-06-12 | 2006-11-15 | 河南海力特机电制造有限公司 | Super fine mist spraying head |
CN201044848Y (en) * | 2006-12-06 | 2008-04-09 | 黄永强 | Disposable self-destroying safety ejection, transfusion, transfusion needle |
CN201370915Y (en) * | 2009-01-16 | 2009-12-30 | 上海靓消消防装备有限公司 | Constant-pressure spray head for spurting water mist |
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2010
- 2010-12-23 CN CN2010106083137A patent/CN102553115A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1730163A (en) * | 2005-09-01 | 2006-02-08 | 韩铁夫 | Multi-nozzle enclosed type middle and low pressure water mist sprayer |
CN2815426Y (en) * | 2005-09-01 | 2006-09-13 | 韩铁夫 | Multi-nozzle closed medium-low pressure fine fog spraying head |
CN1861224A (en) * | 2006-06-12 | 2006-11-15 | 河南海力特机电制造有限公司 | Super fine mist spraying head |
CN201044848Y (en) * | 2006-12-06 | 2008-04-09 | 黄永强 | Disposable self-destroying safety ejection, transfusion, transfusion needle |
CN201370915Y (en) * | 2009-01-16 | 2009-12-30 | 上海靓消消防装备有限公司 | Constant-pressure spray head for spurting water mist |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104225852A (en) * | 2014-08-22 | 2014-12-24 | 太仓市中峰模具塑胶有限公司 | High-pressure sprayer |
CN104225852B (en) * | 2014-08-22 | 2016-11-09 | 太仓市中峰模具塑胶有限公司 | A kind of high-pressure nozzle |
CN108066923A (en) * | 2016-11-14 | 2018-05-25 | 南京消防器材股份有限公司 | A kind of high building fire fighting device |
CN107596608A (en) * | 2017-11-08 | 2018-01-19 | 诸暨市海王消防设备有限公司 | A kind of intelligent fire sprinkler tip |
CN109332026A (en) * | 2018-10-09 | 2019-02-15 | 广州数祺数字科技有限公司 | Rainfall atomization sprayer and system |
CN110178825A (en) * | 2019-07-08 | 2019-08-30 | 河北农业大学 | Garden accurate spraying system based on Kinect |
CN110366987A (en) * | 2019-08-28 | 2019-10-25 | 曾超凡 | A kind of potting automatic irrigation flowerpot |
CN110366987B (en) * | 2019-08-28 | 2021-09-21 | 广东圣源恒科技有限公司 | Automatic sprinkling irrigation flowerpot cultivated in a pot |
CN111559007A (en) * | 2020-05-18 | 2020-08-21 | 许昌德通振动搅拌技术有限公司 | Brick making production line and water adding method thereof |
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Addressee: Shanghai Liangxiao Fire Fighting Equipment Co., Ltd. Document name: the First Notification of an Office Action |
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Application publication date: 20120711 |