CN204522080U - Adopt the water mists fire water monitor head of projectile tail shape flow straightener - Google Patents

Adopt the water mists fire water monitor head of projectile tail shape flow straightener Download PDF

Info

Publication number
CN204522080U
CN204522080U CN201520188867.4U CN201520188867U CN204522080U CN 204522080 U CN204522080 U CN 204522080U CN 201520188867 U CN201520188867 U CN 201520188867U CN 204522080 U CN204522080 U CN 204522080U
Authority
CN
China
Prior art keywords
flow straightener
tail shape
projectile tail
big gun
shape flow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520188867.4U
Other languages
Chinese (zh)
Inventor
胡国良
刘世鸿
廖明科
徐�明
李刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
East China Jiaotong University
Original Assignee
East China Jiaotong University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by East China Jiaotong University filed Critical East China Jiaotong University
Priority to CN201520188867.4U priority Critical patent/CN204522080U/en
Application granted granted Critical
Publication of CN204522080U publication Critical patent/CN204522080U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of water mists fire water monitor head adopting projectile tail shape flow straightener, be made up of projectile tail shape flow straightener, big gun head body, nozzle core, double threaded screw, sleeve and hand guard glove etc.Big gun head body tip is connected with fire water monitor outlet pipe, forms a complete fire water monitor.Evenly install 6 fins outside projectile tail shape flow straightener, fin two ends from inside to outside edge circular arc are shunk, and width reduces gradually, uniform fluid flow higher for turbulent extent can be divided into multiple stable thin current, and reduce hydraulic loss.Space between nozzle core and big gun head body is shunk gradually, forms nozzle.After current flow through nozzle, spray with uniform water smoke.This water mists fire water monitor head uniform fluid flow, atomizing effect is good, and water smoke area coverage is large.Be particularly suitable for the occasion such as library, power house fire extinguishing and defeated coal fortune coal yard dedusting haze falls.

Description

Adopt the water mists fire water monitor head of projectile tail shape flow straightener
Technical field
The utility model relates to fire water monitor head, particularly relates to a kind of water mists fire water monitor head adopting projectile tail shape flow straightener.
Background technology
Fire water monitor occupies critical role in fire-fighting fire extinguishing field.Fire water monitor head is a critical component in fire water monitor design, and it is the final tache of kinetic energy by the potential energy of pressure flow, but also decide the spray regime of fire water monitor.The water jet of fire water monitor head ejection has direct current to spray and spray injection two kinds of canonical forms.Spraying fire extinguishing refers to that current form vaporific fine water droplet after nozzle ejection, and uniform fold, to protection zone, reaches fire extinguishing by effects such as cooling, suffocate, suppresses the object of the intensity of a fire and cooling protection.Compared to traditional direct projection stream fire-fighting mode, spraying fire extinguishing not only can reduce water consumption greatly, increases fire extinguishing coverage, and little to damage of facilities on fire, environmentally friendly pollution-free.Therefore be more and more widely used in putting out the fire of the equipment such as power-equipment, library and various defeated coal yard dedusting haze work is fallen.
Fire water monitor head nozzle determines the spray regime of fire water monitor.The whether parallel energy conversion efficiency that decide fire water monitor of nozzle interior streamline, directly affects the range of fire water monitor and the jet quality of water mist gun.Therefore, flow straightener is installed in gun tube reduce current vortexs and to necessitate condition.The effect of flow straightener is the rebuffed chance increasing horizontal force in runner, and lateral current is disappeared as early as possible, thus reduces flow energy loss; On the other hand because section is separated into many fractions, because the current lateral dimension of each several part reduces, Reynolds number reduces, and makes streamflow regime near laminar flow, reduces the water turbulence degree flowing to nozzle, thus improves range.The form of the flow straightener of current shower nozzle mainly contains star, muscle sheet shape, triangle and groined type etc., but these kind of flow straightener does not all reach and split current preferably, reduces the effect of eddy current.So need a kind of novel flow straightener of design and water mists water cannon big gun head with matching, reach the object increasing fire water monitor range and optimize atomization of water current effect.
Summary of the invention
In order to overcome fire water monitor head flow straightener Problems existing described in background technology and meet the actual operation requirements of fire-fighting fire extinguishing, the utility model provides a kind of water mists fire water monitor head adopting projectile tail shape flow straightener.Current higher for the turbulent extent flowed out from water mists fire water monitor outlet pipe are divided into multiple current by the shunting current stabilization effect that this water mists fire water monitor head utilizes projectile tail shape flow straightener outstanding, reduce the turbulence level in water cannon big gun head.Current, after projectile tail shape flow straightener, by the compression of big gun head body and nozzle core, form water mists, spray with higher speed from big gun head.This water mists fire water monitor head atomizing effect is good, and water smoke is even, and area coverage is large, be applicable to being applied to the fire extinguishing of the occasion such as library, power house and defeated coal fortune coal yard dedusting haze falls.
The utility model solves the technical scheme that its technical problem adopts and comprises: holding screw I (2), big gun head body (3), sleeve (4), hand guard glove (5), anti-return nut (6), holding screw II (7), nozzle core (8), double threaded screw (9), projectile tail shape flow straightener (10) and sealing ring (11); Big gun head body (3) is threaded with fire water monitor outlet pipe (1), and is positioned by the convex shoulder of fire water monitor outlet pipe (1); Big gun head body (3) and fire water monitor outlet pipe (1) are locked by holding screw I (2); Sealed by sealing ring (11) between big gun head body (3) and fire water monitor outlet pipe (1); Projectile tail shape flow straightener (10) is arranged in big gun head body (3), projectile tail shape flow straightener (10) upper end is located by the convex shoulder of big gun head body (3), and projectile tail shape flow straightener (10) lower end is fixed by the end face of fire water monitor outlet pipe (1); Interference fit is adopted between projectile tail shape flow straightener (10) and big gun head body (3); Projectile tail shape flow straightener (10) upper end is provided with internal thread hole, can be threaded with double threaded screw (9); Sleeve (4) upper surface contacts with nozzle core (8) lower surface; Sleeve (4) upper surface and projectile tail shape flow straightener (10) upper-end contact; Sleeve (4) and nozzle core (8) are arranged on double threaded screw (9) respectively, and are fixed by anti-return nut (6); Adopt between hand guard glove (5) with big gun head body (3) and be threaded, hand guard glove (5) and big gun head body (3) are locked by holding screw II (7); Projectile tail shape flow straightener (10) is outside evenly installs 6 fins, and each fin radical length is all greater than Center Length, and fin two ends from inside to outside edge circular arc are shunk, and width reduces gradually.
The utility model is compared with background technology, and the beneficial effect had is:
(1) the utility model installs projectile tail shape flow straightener in water mists fire water monitor head, substantially increase atomization ability and the range of water mists fire water monitor, add fire extinguishing coverage, and effectively can reduce the water consumption of fire water monitor, improve fire extinguishing and efficiency of dust collection.
(2) the utility model structure is simple, and easy to install and use, application place is extensive.Multiple fixing and portable fire water monitor can be installed on, put out library, power house etc. fire and for defeated coal fortune coal yard dedusting haze work is fallen.
Accompanying drawing explanation
Fig. 1 is the utility model installation diagram.
Fig. 2 is the utility model projectile tail shape flow straightener top view.
Fig. 3 is the utility model projectile tail shape flow straightener front view.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, the utility model comprises: holding screw I 2, big gun head body 3, sleeve 4, hand guard glove 5, anti-return nut 6, holding screw II 7, nozzle core 8, double threaded screw 9, projectile tail shape flow straightener 10 and sealing ring 11.It is inner that projectile tail shape flow straightener 10 is arranged on big gun head body 3, and upper end is located by the convex shoulder of big gun head body 3, and lower end is held out against by outlet pipe 1.Adopt interference fit between projectile tail shape flow straightener 10 and big gun head body 3, prevent the part of projectile tail shape flow straightener 10 and location thereof from coming off in transportation.Big gun head body 3 inner wall at end and barrel outlet pipe 1 outer wall are threaded connection, and locked, and sealed by sealing ring 11 by holding screw II 7.One end of double threaded screw 9 is fixed on projectile tail shape flow straightener 10 by screw thread, and sleeve 4 and nozzle core 8 are enclosed within double threaded screw 9, are pressed on projectile tail shape flow straightener 10 by anti-return nut 6.Gap between nozzle core 8 and big gun head body 3 constantly diminishes, thus compression current, increase the contact area of current and air, make atomization of water current.Hand guard glove 5 is threaded connection and is fixedly mounted on outside big gun head body 4, and is locked by dog screw I.Hand guard glove can protect big gun head body and installation personnel in water cannon big gun head group dress and transportation, and plays the effect of certain divergent flow.
As shown in Figures 2 and 3, projectile tail shape flow straightener 10 is outside evenly installs 6 fins, each fin radical length is all greater than Center Length, fin two ends from inside to outside edge circular arc are shunk, and width reduces gradually, and such current were divided into weep gradually by floor before inflow flow straightener, and hydraulic loss is little, current are after projectile tail shape flow straightener current stabilization, and every shallow bid current converge gradually under fin effect, spray after the compression of nozzle core from nozzle.
Utility model works principle is as follows:
Before fire-extinguishing operations, whole water mists fire water monitor head and fire water monitor outlet pipe 1 are rigidly connected by the screw thread of big gun head body 3 end, form a complete water mists fire water monitor.When haze operation falls in fire-fighting fire extinguishing and dedusting, water cannon big gun head is aimed at burning things which may cause a fire disaster and haze region, utilizes water mists efficiently to work.

Claims (2)

1. adopt a water mists fire water monitor head for projectile tail shape flow straightener, it is characterized in that comprising: holding screw I (2), big gun head body (3), sleeve (4), hand guard glove (5), anti-return nut (6), holding screw II (7), nozzle core (8), double threaded screw (9), projectile tail shape flow straightener (10) and sealing ring (11); Big gun head body (3) is threaded with fire water monitor outlet pipe (1), and is positioned by the convex shoulder of fire water monitor outlet pipe (1); Big gun head body (3) and fire water monitor outlet pipe (1) are locked by holding screw I (2); Sealed by sealing ring (11) between big gun head body (3) and fire water monitor outlet pipe (1); Projectile tail shape flow straightener (10) is arranged in big gun head body (3), projectile tail shape flow straightener (10) upper end is located by the convex shoulder of big gun head body (3), and projectile tail shape flow straightener (10) lower end is fixed by the end face of fire water monitor outlet pipe (1); Interference fit is adopted between projectile tail shape flow straightener (10) and big gun head body (3); Projectile tail shape flow straightener (10) upper end is provided with internal thread hole, can be threaded with double threaded screw (9); Sleeve (4) upper surface contacts with nozzle core (8) lower surface; Sleeve (4) upper surface and projectile tail shape flow straightener (10) upper-end contact; Sleeve (4) and nozzle core (8) are arranged on double threaded screw (9) respectively, and are fixed by anti-return nut (6); Adopt between hand guard glove (5) with big gun head body (3) and be threaded, hand guard glove (5) and big gun head body (3) are locked by holding screw II (7).
2. a kind of water mists fire water monitor head adopting projectile tail shape flow straightener according to claim 1, it is characterized in that projectile tail shape flow straightener (10) is outside and evenly 6 fins are installed, each fin radical length is all greater than Center Length, fin two ends from inside to outside edge circular arc are shunk, and width reduces gradually.
CN201520188867.4U 2015-04-01 2015-04-01 Adopt the water mists fire water monitor head of projectile tail shape flow straightener Expired - Fee Related CN204522080U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520188867.4U CN204522080U (en) 2015-04-01 2015-04-01 Adopt the water mists fire water monitor head of projectile tail shape flow straightener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520188867.4U CN204522080U (en) 2015-04-01 2015-04-01 Adopt the water mists fire water monitor head of projectile tail shape flow straightener

Publications (1)

Publication Number Publication Date
CN204522080U true CN204522080U (en) 2015-08-05

Family

ID=53736141

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520188867.4U Expired - Fee Related CN204522080U (en) 2015-04-01 2015-04-01 Adopt the water mists fire water monitor head of projectile tail shape flow straightener

Country Status (1)

Country Link
CN (1) CN204522080U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105854208A (en) * 2016-04-20 2016-08-17 江苏大学 Spiral rectifying device for monitor head of fire-fighting monitor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105854208A (en) * 2016-04-20 2016-08-17 江苏大学 Spiral rectifying device for monitor head of fire-fighting monitor
CN105854208B (en) * 2016-04-20 2018-12-14 江苏大学 A kind of spiral shape fairing of fire water monitor head

Similar Documents

Publication Publication Date Title
CN204158924U (en) A kind of flow straightener cross section is the water mists fire water monitor head of double-layer circular tube shape
CN203954514U (en) A kind of thin water mist fire-fighting water cannon big gun head
CN203778219U (en) High pressure swirl nozzle for mist spray dust removal
CN204522081U (en) Adopt the water mists fire water monitor head of many rectangles flow straightener
CN102908738B (en) Two-phase flow superfine water mist nozzle
CN104147732A (en) Low-flow water mist sprayer
CN204522080U (en) Adopt the water mists fire water monitor head of projectile tail shape flow straightener
CN205236238U (en) Rinse tube bank with all -round rotatory nozzle
RU141663U1 (en) Liquid spray
CN203342613U (en) Novel mine pneumatic wet dust collector
CN205977264U (en) Mining geomantic omen coordinated type atomizer
CN203139465U (en) High-pressure fine water mist closed-type spray head
CN210145368U (en) Spiral-flow type fire-fighting lance
CN103816635A (en) Porous spray nozzle of superfine dry powder and eruptively-generated aerosol fire extinguishing system
CN202179806U (en) Multifunctional water-mist fire gun
CN109865234B (en) Automatic rising and falling wind-resistant high-pressure water mist fire extinguishing device
CN202802613U (en) Two-phase-flow superfine water mist spray nozzle
CN207708368U (en) A kind of Combined type firefighting big gun
CN202169032U (en) Vortex type water mist jet head
CN202061295U (en) Electric remote control fire water monitor
CN102294093B (en) Multifunctional water mist fire extinguishing gun
CN208803845U (en) A kind of low seam mining machinery roller atomizing de-dusting apparatus
CN203989636U (en) A kind of low discharge fine mist spray head
CN204485550U (en) Efficient mist deduster
CN207605273U (en) A kind of flow guide sleeve applied in fire monitor

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150805

Termination date: 20160401

CF01 Termination of patent right due to non-payment of annual fee