CN203389262U - Combination type water mist sprayer - Google Patents
Combination type water mist sprayer Download PDFInfo
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- CN203389262U CN203389262U CN201320426085.0U CN201320426085U CN203389262U CN 203389262 U CN203389262 U CN 203389262U CN 201320426085 U CN201320426085 U CN 201320426085U CN 203389262 U CN203389262 U CN 203389262U
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- inlet channel
- nozzle
- combined type
- side inlet
- fine mist
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Abstract
The utility model discloses a combination type water mist sprayer. The combination type water mist sprayer comprises a sprayer body and a plurality of nozzle bodies which are symmetrically and fixedly connected to the front end of the sprayer body in parallel, wherein one of the nozzle bodies is arranged in the central axis, and four nozzle bodies are symmetrically arranged around the nozzle body in the central axis; an included angle between the axes of the four nozzle bodies and the central axis of the sprayer body is 45 degrees; each nozzle body comprises a central water inlet channel and a plurality of side water inlet channels which are positioned around the radial direction of the central water inlet channel and are obliquely and symmetrically arranged. The combination type water mist sprayer is compact in overall structure, simple in structure and easy to install; the pressure loss can be effectively reduced; by virtue of a proper-angle nozzle installation structure, mist spraying of all nozzles cannot interfere with one another. The combination type water mist sprayer has large axial momentum, so that water mist can quickly reach the root of a flame for deep fire extinguishment. Compared with a single-nozzle sprayer, the combination type water mist sprayer has the advantage that the mist spraying protection radius is obviously increased.
Description
Technical field
The utility model belongs to security against fire equipment Design field, especially belongs to hydraulic giant in fire-fighting equipment and manufactures and designs, particularly the waterfog head design and manufacturing technology of hydraulic giant.
Background technology
In recent years, Water Mist Fire Extinguishing Technique replaces halon fire agent to become the fire-fighting technique of main flow with its environmental protection, the feature such as efficient, nontoxic gradually, is one of focus of fire science research.The research of Water Mist Fire Extinguishing Technique at present has obtained major progress; yet fine mist spray head is but its bottleneck further developing of containment; the atomizing effect of traditional direct atomizer is undesirable, and atomizing angle is little and radius of protection is little, has limited the range of application of fine water mist fire-extinguishing system.
Solving atomizing angle and radius of protection problem has several different methods, comprises the improved direct projection-rotational flow atomized spray injector of shower nozzle and the atomizer that revolves cored structure.But along with the requirement of flame failure protection radius is increasing, single shower nozzle setting can not be satisfied the demand.
Existing sprinkler design has multiinjector combining structure.The common nozzle number of multiinjector combined type fine mist spray head has 7 to 16 to combine, and nozzle arrangements is various informative, and existing structure has three tangential slot type mist-generating nozzles, secondary atomizer.Nozzle structure is according to there being larger variation on the different structure of nozzle number, multiinjector combined type fine mist spray head exists following problem while being used for putting out a fire: arrangement of nozzles is overstocked, when spraying, can produce droplet and interfere between each nozzle, affects atomization; Nozzle is arranged for outstanding, is unfavorable for installing.
What existing multiinjector combining structure adopted is conventional nozzle structure, exists equally atomizing effect undesirable, and nozzle shaft is large to the energy comparison of the loss of momentum, is unfavorable for the shortcoming of degree of depth fire extinguishing.
Summary of the invention
The utility model discloses a kind of combined type fine mist spray head according to the deficiencies in the prior art.Problem to be solved in the utility model is by a kind of radius of protection is larger, eject momentum is larger, effectively reduces droplet and interferes, combined type fine mist spray head easy for installation.
The utility model is achieved through the following technical solutions:
Combined type fine mist spray head, comprises head body and nozzle body, it is characterized in that: the symmetrical parallel connection of described head body front end is fixedly installed a plurality of nozzle bodies.
Described head body front end edge central axis is fixedly installed a nozzle body, and the nozzle body surrounding symmetry of central axis is fixedly installed four nozzle bodies, and the axis of each nozzle body that surrounding symmetry is fixedly installed and head body central axis are 45 degree angles.
Described nozzle body is connected and fixed by being threaded into head body, and nozzle body and head body connecting portion have sealing ring.
Described nozzle body front end face has cross mounting groove.
Further described nozzle body comprises the water inlet consisting of center inlet channel and side inlet channel, also comprises hybrid chamber and delivery port.
Described side inlet channel axial line and hybrid chamber one RADIAL intersect vertically, and side inlet channel axial line and hybrid chamber sagittal plane have and be less than the angle that 90 degree are greater than 0 degree; A plurality of side inlet channels are positioned at inlet channel footpath, center towards periphery and are symmetrical arranged, and the distance of side inlet channel and center inlet channel is less than radially radius of hybrid chamber.
Further described side inlet channel is positioned at inlet channel footpath, center towards periphery and is symmetrical arranged 2.
Further described side inlet channel axial line and hybrid chamber sagittal plane angle are 60 degree.
Described side inlet channel diameter is two times of center inlet channel diameter, the distance of side inlet channel and center inlet channel be hybrid chamber radially radius 1/2nd.
Described hybrid chamber is connected end shape with delivery port be a cone.
The utility model combined type fine mist spray head adopts a plurality of mixing cyclone structure mist-generating nozzles to constitute, especially five are mixed the combination of spiral-flow type structure mist-generating nozzle, its water intake mode is different from three tangential slot type multiinjector combined type fine mist spray heads with the mode that forms eddy flow, the nozzle of this shower nozzle adopts eddy flow mixed structure, there are Yi Ge center inlet channel and a plurality of side inlet channels that become certain degree with center inlet channel axis, each side inlet channel angle equates that rotation direction is consistent, and mix mutually with the axial kinetic energy direct projection stream of generation, in nozzle body eddy flow chamber, center inlet channel direct projection stream and side inlet channel eddy flow mix swirling motion strongly, under the promotion of axial kinetic energy, mix eddy flow and finally from jet hole ejection and atmosphere, produce strong collision.When keeping strong eddy flow, make the axial momentum loss of side inlet channel minimum, relatively because import current are without turn sharp, reduced entrance loss with three tangential slot type atomizers, make the eddy flow in eddy flow chamber mix better.
The utility model shower nozzle adopts a multi-jet head body, body center that a nozzle ,Yu center is set and nozzle Cheng45° side is set a plurality of nozzles are set, as 4 nozzle bodies are arranged symmetrically with along head body surrounding.The utility model effectively avoids producing between each nozzle the interference of thin water smoke, is more conducive to each nozzle and brings into play its maximum atomization ability, has also guaranteed that this shower nozzle has larger spraying radius of protection.
The utility model helpfulness: the utility model combined type fine mist spray head compact overall structure, can effectively reduce the pressure loss; The nozzle mounting structure of proper angle, makes the spraying between each nozzle can not produce mutual interference; Simple in structure, be easy to produce in enormous quantities; Profile is small and exquisite, is easy to install; The utility model shower nozzle has larger axial momentum, makes the thin water smoke flame root that can go directly faster, carries out degree of depth fire extinguishing; Spraying radius of protection has the advantage of obvious increase radius of protection than single injector.
Accompanying drawing explanation
Fig. 1 is the utility model shower nozzle cross section structure schematic diagram;
Fig. 2 is the utility model shower nozzle exit end face schematic diagram;
Fig. 3 is the utility model head body cross section structure schematic diagram;
Fig. 4 is the utility model nozzle body cross section structure schematic diagram;
Fig. 5 is the utility model nozzle body exit end face schematic diagram;
Fig. 6 is that the utility model nozzle revolves core planar structure schematic diagram;
Fig. 7 is Fig. 6 CC cross section structure schematic diagram;
Fig. 8 is Fig. 6 DD cross section structure schematic diagram;
Fig. 9 is the fluid flow fields schematic diagram that the utility model nozzle forms.
In figure, the 1st, nozzle body, the 11st, cross mounting groove, the 12nd, hybrid chamber ,13Shi sagittal plane, the 14th, delivery port, the 2nd, head body, the 21st, nozzle installation position, the 22nd, nozzle water channel, the 23rd, main channel, the 3rd, sealing ring, the 4th, revolve core, the 41st, side inlet channel ,42Shi center inlet channel, a is nozzle body central axis and head body central axis angle, b is side inlet channel axial line and hybrid chamber sagittal plane angle, and F is side inlet channel incline direction.
The specific embodiment
Below by embodiment, the utility model is specifically described; the present embodiment is only for being further detailed the utility model; but can not be interpreted as the restriction to the utility model protection domain, those skilled in the art can make the scope that some nonessential improvement and adjustment belong to the utility model protection according to above-mentioned content of the present utility model.
In conjunction with Fig. 1 to Fig. 9.
As shown in the figure, combined type fine mist spray head, comprises head body 2 and nozzle body 1, and the symmetrical parallel connection of head body 2 front ends is fixedly installed a plurality of nozzle bodies 1.
These routine head body 2 front end edge central axis are fixedly installed a nozzle body 1, central nozzle body 1 surrounding symmetry is fixedly installed four nozzle bodies 1, and the central axis of each nozzle body 1 that surrounding symmetry is fixedly installed and head body 2 central axis are 45 degree angle a.
As shown in Figure 1, Figure 2 and Figure 3, in figure, head body 2 upper surfaces are designed to boss structure, the nozzle body 1 of center is set at boss center, in boss surrounding, be symmetrical arranged four nozzle bodies 1, this routine boss cross section is trapezoidal, trapezoidal top and the angle of waist are 45, corresponding nozzle body 1 installation position 21 is set in head body 2, nozzle body 1 is embedded to be fixed in head body 2 by the spiral mating and can constitute Combined nozzle, for preventing seepage, in nozzle body 2 installation positions, be provided with sealing ring 3.The angle a of the axis of the installation axis of nozzle body 1 that fixedly rear center arranges and the nozzle body 1 of surrounding setting is 45 degree.
In head body 2, be provided with main channel 23 and nozzle water channel 22 in parallel.Nozzle water channel 22 is carried firing-fighting medium to each nozzle body 1.
As shown in Figure 4 and Figure 5, Fig. 4 is the utility model nozzle body cross section structure schematic diagram; Fig. 5 is the utility model nozzle body upper surface schematic diagram.Nozzle body 1 has and forms Swirling Flow structure, comprise form the body of eddy flow hybrid chamber 12 and be positioned at bottom revolve core 4, for easy for installation, in nozzle body 1 upper surface, be provided with cross mounting groove 11.
As shown in Fig. 6, Fig. 7, Fig. 8 and Fig. 9, revolve core 4 and be arranged on nozzle body 1 bottom by screw thread, this example is revolved core 4 axial centre through hole, be center inlet channel 42, revolving the center inlet channel 42 arranged outside side inlet channels 41 of core 4, this example is symmetrical arranged two, side inlet channel 41 is also to run through to revolve the axial through hole of core 4, but be obliquely installed, in figure, there is angle b side inlet channel 41 axial line and hybrid chamber 12 sagittal planes 13, and in Fig. 6, arrow F is incline direction.
By change, revolving core 4 center inlet channels 42 and/or side inlet channel 41 position, diameter, angle of inclination, magnitude setting etc. can realize the eddy flow in different eddy flow chambeies and mix.As shown in Figure 9, the fine mist spray head that this routine nozzle body 1 forms comprises water inlet, hybrid chamber 13 and delivery port 14, water inlet comprises center inlet channel 42 and side inlet channel 41, side inlet channel 41 axial line and hybrid chamber 13 1 RADIALs intersect vertically, and there is the angle a of 60 degree side inlet channel 41 axial line and hybrid chamber 13 sagittal planes 13; 2 side inlet channels 41 are positioned at center inlet channel 42 footpaths towards periphery and are symmetrical arranged, the distance of side inlet channel 41Yu center inlet channel 42 equal hybrid chamber 13 radially radius 1/2nd.
The nozzle body 1 of the utility model combined sprinkler by inlet channel 42 in the middle of and 2 direction of rotation are consistent and with nozzle body axis between become the side inlet channel 41 of special angle to form, this example becomes 60 degree angles with level, become 30 degree angles with axis, this version has increased again the axial momentum of nozzle when increasing hybrid chamber eddy flow effect, in specific pressure limit, there are best spray cone angle and atomizing effect, expand the scope of fire extinguishing, can realize degree of depth fire extinguishing, have good fire extinguishing effect.
Claims (10)
1. a combined type fine mist spray head, comprises head body (2) and nozzle body (1), it is characterized in that: the symmetrical parallel connection of described head body (2) front end is fixedly installed a plurality of nozzle bodies (1).
2. combined type fine mist spray head according to claim 1, it is characterized in that: described head body (2) front end edge central axis is fixedly installed a nozzle body (1), the nozzle body of central axis (1) surrounding symmetry is fixedly installed four nozzle bodies (1), and the central axis of each nozzle body (1) that surrounding symmetry is fixedly installed and head body (2) central axis are 45 degree angles.
3. combined type fine mist spray head according to claim 2, is characterized in that: described nozzle body (1) is connected and fixed by being threaded into head body (2), and nozzle body (1) has sealing ring (3) with head body (2) connecting portion.
4. combined type fine mist spray head according to claim 3, is characterized in that: described nozzle body (1) front end face has cross mounting groove (11).
5. according to the combined type fine mist spray head described in claim 1 to 4 any one, it is characterized in that: described nozzle body (1) comprises the water inlet consisting of center inlet channel (42) and side inlet channel (41), also comprises hybrid chamber (12) and delivery port (14).
6. combined type fine mist spray head according to claim 5, it is characterized in that: described side inlet channel (41) axial line and hybrid chamber (12) one RADIALs intersect vertically, side inlet channel (41) axial line and hybrid chamber (12) sagittal plane (13) have and are less than the angle that 90 degree are greater than 0 degree; A plurality of side inlet channels (41) are positioned at center inlet channel (42) footpath towards periphery and are symmetrical arranged, and side inlet channel (41) is less than radially radius of hybrid chamber (12) with the distance of center inlet channel (42).
7. combined type fine mist spray head according to claim 6, is characterized in that: described side inlet channel (41) is positioned at center inlet channel (42) footpath towards periphery and is symmetrical arranged 2.
8. combined type fine mist spray head according to claim 6, is characterized in that: described side inlet channel (41) axial line and hybrid chamber (12) sagittal plane (13) angle are 60 degree.
9. combined type fine mist spray head according to claim 6, it is characterized in that: described side inlet channel (41) diameter is two times of center inlet channel (42) diameter, the distance of side inlet channel (41) and center inlet channel (42) be hybrid chamber (12) radially radius 1/2nd.
10. combined type fine mist spray head according to claim 6, is characterized in that: it is a cone that described hybrid chamber (12) is connected end shape with delivery port (14).
Priority Applications (1)
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CN201320426085.0U CN203389262U (en) | 2013-07-17 | 2013-07-17 | Combination type water mist sprayer |
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CN201320426085.0U CN203389262U (en) | 2013-07-17 | 2013-07-17 | Combination type water mist sprayer |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103405873A (en) * | 2013-07-17 | 2013-11-27 | 西华大学 | Combined fine water mist sprinkler head |
CN105327470A (en) * | 2015-11-13 | 2016-02-17 | 重庆交通大学 | Hanging type tunnel disaster prevention, rescue and maintenance device |
CN107497084A (en) * | 2017-08-15 | 2017-12-22 | 苏州顺瑞电气有限公司 | Novel multi-bit fire extinguisher canvas hose injector head |
-
2013
- 2013-07-17 CN CN201320426085.0U patent/CN203389262U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103405873A (en) * | 2013-07-17 | 2013-11-27 | 西华大学 | Combined fine water mist sprinkler head |
CN105327470A (en) * | 2015-11-13 | 2016-02-17 | 重庆交通大学 | Hanging type tunnel disaster prevention, rescue and maintenance device |
CN105327470B (en) * | 2015-11-13 | 2019-01-29 | 重庆交通大学 | The rescue of suspension type tunnel hazard prevention and maintenance device |
CN107497084A (en) * | 2017-08-15 | 2017-12-22 | 苏州顺瑞电气有限公司 | Novel multi-bit fire extinguisher canvas hose injector head |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20170717 |
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CF01 | Termination of patent right due to non-payment of annual fee |