CN201006215Y - Straight-through vortex liquid atomization injector for fire-fighting - Google Patents
Straight-through vortex liquid atomization injector for fire-fighting Download PDFInfo
- Publication number
- CN201006215Y CN201006215Y CNU2007201031233U CN200720103123U CN201006215Y CN 201006215 Y CN201006215 Y CN 201006215Y CN U2007201031233 U CNU2007201031233 U CN U2007201031233U CN 200720103123 U CN200720103123 U CN 200720103123U CN 201006215 Y CN201006215 Y CN 201006215Y
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- fire
- nozzle body
- nozzle
- fighting
- spray orifice
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Abstract
The utility model relates to a straight-through cyclone liquid atomization ejector used in fire-extinguishing field, comprising a main body and an ejection hole, wherein the main body is a hollow cylinder inside which a screw rod is arranged, the circumference of the screw rod is arranged with a screw groove, the screw rod is sliding mounted in the main body, the screw groove and the inner wall of the ejector form a screw channel, the lower portion of the main ejector is arranged with an axial through hole as the ejection hole, the outer side of the ejection hole is arranged with an external conical angle while the inner side is arranged with an internal conical angle. And the utility model has small volume, low weight, simple structure, easy assembly, high extinguishing efficiency and low fire retardant consumption.
Description
Technical field
The utility model relates to a kind of fire-fighting fire extinguishing equipment, is specifically related to a kind of critical component through type eddy flow liquid atomizer of extinguishing device.
Background technology
The structure of existing thin water smoke production method and water mist generating device is various in style, in the thin water smoke production method of mechanical type, uses morely at present, and people generally acknowledge that effective a kind of method is: the method that produces thin water smoke by spiral water flow.And begun both at home and abroad the cyclone-type fine mist spray head applied, the generation of its spiral water flow mainly contains dual mode: a kind of is to install the nozzle core that has helical flow path additional in shower nozzle major flow control body, and this core body is connected with the nozzle body structure by screw thread.The shortcoming of this structure is the structure relative complex, and liquid repeatedly changes flow direction in sprayer body, increased internal flow loss and energy dissipation.Another kind of mode is the swirl flow nozzle of inside and outside cavity configuration, and its operation principle comes liquid to link to each other with exocoel, and spray orifice links to each other with inner chamber, is communicated with three～four special holes between the interior exocoel, and these several holes make fluid produce eddy flow when exocoel enters inner chamber.The advantage of this structure is that the process fluid flow resistance is less, and the effect that produces eddy flow is also better, but difficulty of processing is bigger, and the physical dimension of shower nozzle is also relatively large.
The utility model content
It is little, in light weight that technical problem to be solved in the utility model provides a kind of volume, simple in structure, processing, easy for installation, the thin water smoke fire-fighting of through type eddy flow mesolow through type eddy flow liquid atomizer.
Fire-fighting of the present utility model through type eddy flow liquid atomizer, comprise nozzle body and spray orifice, nozzle body is designed to hollow circular cylinder, the sliding screw rod that is equipped with in the hollow circular cylinder of nozzle body, the periphery of screw rod is provided with helicla flute, and helicla flute and nozzle body inwall form helical flow path, and being provided with axially extending bore in the bottom of nozzle body is spray orifice, the outside of spray orifice is provided with outside cone angle, and the inboard is provided with interior cone angle.
Fire-fighting of the present utility model through type eddy flow liquid atomizer, the spiral fluted quantity of described screw rod periphery is the 1-3 bar, and described many helicla flutes are many different spirals, and every spiral fluted number of turns is limited by lead angle and spiro rod length.Spiral fluted is shaped as rectangle, triangle or circular arc.Lead angle 8～24 degree of described screw spiral trough.
Fire-fighting of the present utility model is spent with through type eddy flow liquid atomizer, the outside cone angle 90～120 in the described spray orifice outside, interior cone angle 90～120 degree of spray orifice inboard.According to actual needs, the shape of spray orifice can be designed as circle, also can be designed as ellipse, triangle, irregularly-shaped hole such as quincunx.
Fire-fighting of the present utility model through type eddy flow liquid atomizer, the outside of described nozzle body is provided with external connection screw, and by the outer connecting thread of nozzle body, shower nozzle is connected with nozzle boss, forms single shower nozzle.According to the size of required protection area, can disperse to install a plurality of single shower nozzles, also two or more nozzle bodies can be installed in the shower nozzle and constitute combined sprinkler, to increase spray area.Fine mist spray head is installed in the end of extinguishing chemical penstock, constitutes a complete fine water mist fire-extinguishing system; Extinguishing chemical arrives nozzle cavity by the pressure connecting tube and sprays thin water smoke and put out incipient fire in the sprinkler coverage.
The utility model adopts the mode of through type swirl injection, and the single fluid extinguishing chemical is sprayed from spray orifice, is atomized into thin water smoke simultaneously, compares with technology in the past, and the utility model has following advantage:
1. owing to improved screw-rod structure, adopt direct current channel, the energy loss of extinguishing chemical in nozzle is little.
2. the nozzle volume is little, in light weight, and is simple in structure, is convenient to assembling.
3. the structure of nozzle size is optimized through the flow field numerical analysis with reference to thousands of groups of experimental datas, in, (pressure just can produce mist particle diameter Dv0.09 about 200 μ m 0.8～2.0MPa) in the low pressure range, so the fire-fighting efficiency height is saved extinguishing chemical.
4. at different fire extinguishing place, fire type, fire scale, can provide the shower nozzle of different series, different size.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present utility model,
Fig. 2 is the structural representation of screw rod of the present utility model.
Fig. 3 is the structural representation of combined sprinkler.
The specific embodiment
Fire-fighting of the present utility model through type eddy flow liquid atomizer, comprise nozzle body 1 and spray orifice 4, nozzle body 1 is designed to hollow circular cylinder, slides in nozzle body 1 hollow circular cylinder screw rod 6 is housed, and it is the rectangular coil groove that the periphery of screw rod 6 is provided with 1 sliver transvers section, helicla flute and nozzle body 1 inwall form helical flow path 5, being provided with axial manhole in the bottom of nozzle body 1 is spray orifice 4, and the outside of spray orifice 4 is provided with outside cone angle 7, angle 90 degree, the inboard is provided with interior cone angle 3, angle 90 degree.The lead angle of described screw spiral trough is 8 degree.
The outside of described nozzle body is provided with external connection screw 2, and by the outer connecting thread 2 of nozzle body 1, shower nozzle is connected with nozzle boss, forms single shower nozzle.Fine mist spray head is installed in the end of extinguishing chemical penstock, constitutes a complete fine water mist fire-extinguishing system; Extinguishing chemical arrives nozzle cavity by the pressure connecting tube and sprays thin water smoke and put out incipient fire in the sprinkler coverage.
Fire-fighting of the present utility model through type eddy flow liquid atomizer, comprise nozzle body 1 and spray orifice 4, nozzle body 1 is designed to hollow circular cylinder, slides in nozzle body 1 hollow circular cylinder screw rod 6 is housed, and it is the triangle helicla flute that the periphery of screw rod 6 is provided with 1 sliver transvers section, helicla flute and nozzle body 1 inwall form helical flow path 5, being provided with axial ellipse hole in the bottom of nozzle body 1 is spray orifice 4, and the outside of spray orifice 4 is provided with outside cone angle 7, angle 90 degree, the inboard is provided with interior cone angle 3, angle 90 degree.Angle 16 degree of helicla flute and screw rod bottom surface.
The outside of described nozzle body is provided with external connection screw 2, and by the outer connecting thread 2 of nozzle body 1, shower nozzle is connected with nozzle boss, forms single shower nozzle.Fine mist spray head is installed in the end of extinguishing chemical penstock, constitutes a complete fine water mist fire-extinguishing system; Extinguishing chemical arrives nozzle cavity by the pressure connecting tube and sprays thin water smoke and put out incipient fire in the sprinkler coverage.
Fire-fighting of the present utility model through type eddy flow liquid atomizer, comprise nozzle body and spray orifice, nozzle body 1 is designed to hollow circular cylinder, slides in nozzle body 1 hollow circular cylinder screw rod 6 is housed, and it is the circular arc helicla flute that the periphery of screw rod 6 is provided with 1 sliver transvers section, helicla flute and nozzle body 1 inwall form helical flow path 5, being provided with axial triangle through hole in the bottom of nozzle body 1 is spray orifice 4, and the outside of spray orifice 4 is provided with outside cone angle 7, angle 120 degree, the inboard is provided with interior cone angle 3, angle 120 degree.Angle 24 degree of helicla flute and screw rod bottom surface.
The outside of described nozzle body is provided with external connection screw 2, and by the outer connecting thread 2 of nozzle body 1, shower nozzle is connected with nozzle boss, forms single shower nozzle.Fine mist spray head is installed in the end of extinguishing chemical penstock, constitutes a complete fine water mist fire-extinguishing system; Extinguishing chemical arrives nozzle cavity by the pressure connecting tube and sprays thin water smoke and put out incipient fire in the sprinkler coverage.
Fire-fighting of the present utility model through type eddy flow liquid atomizer, comprise nozzle body and spray orifice, nozzle body 1 is designed to hollow circular cylinder, slides in nozzle body 1 hollow circular cylinder screw rod 6 is housed, and it is the rectangular coil groove that the periphery of screw rod 6 is provided with 2 sliver transvers sections, helicla flute and nozzle body 1 inwall form helical flow path 5, being provided with axial quincunx through hole in the bottom of nozzle body 1 is spray orifice 4, and the outside of spray orifice 4 is provided with outside cone angle 7, angle 90 degree, the inboard is provided with interior cone angle 3, angle 120 degree.Angle 8 degree of helicla flute and screw rod bottom surface.
The outside of described nozzle body is provided with external connection screw 2, and by the outer connecting thread 2 of nozzle body 1, shower nozzle is connected with nozzle boss, forms single shower nozzle.Fine mist spray head is installed in the end of extinguishing chemical penstock, constitutes a complete fine water mist fire-extinguishing system; Extinguishing chemical arrives nozzle cavity by the pressure connecting tube and sprays thin water smoke and put out incipient fire in the sprinkler coverage.
Fire-fighting of the present utility model through type eddy flow liquid atomizer, comprise nozzle body and spray orifice, nozzle body 1 is designed to hollow circular cylinder, the sliding screw rod 6 that is equipped with in nozzle body 1 hollow circular cylinder, it is the rectangular coil groove that the periphery of screw rod 6 is provided with 2 sliver transvers sections, screw rod 6 sliding being contained in the nozzle body 1, helicla flute and nozzle body 1 inwall form helical flow path 5, being provided with axial manhole in the bottom of nozzle body 1 is spray orifice 4, the outside of spray orifice 4 is provided with outside cone angle 7, angle 120 degree, the inboard is provided with interior cone angle 3, angle 90 degree.Angle 24 degree of helicla flute and screw rod bottom surface.
The outside of described nozzle body is provided with external connection screw 2, and by the outer connecting thread 2 of nozzle body 1, shower nozzle is connected with nozzle boss, forms single shower nozzle.Fine mist spray head is installed in the end of extinguishing chemical penstock, constitutes a complete fine water mist fire-extinguishing system; Extinguishing chemical arrives nozzle cavity by the pressure connecting tube and sprays thin water smoke and put out incipient fire in the sprinkler coverage.
The described fire-fighting of embodiment 1-5 through type eddy flow liquid atomizer; according to the size of required flame failure protection area, can disperse to install a plurality of single shower nozzles, also can be with two or more nozzle bodies 1; integrate the formation combined sprinkler, to increase the protection area.
As shown in Figure 3, with three nozzle bodies 1, be integrated in and form combined sprinkler in the metal derby, fine mist combination type spray head is installed in the end of extinguishing chemical penstock, constitutes a complete fine water mist fire-extinguishing system; Extinguishing chemical arrives nozzle cavity by the pressure connecting tube and sprays thin water smoke and put out incipient fire in the sprinkler coverage.
Claims (8)
1. fire-fighting is with through type eddy flow liquid atomizer, comprise nozzle body (1) and spray orifice (4), it is characterized in that nozzle body (1) is designed to hollow circular cylinder, be provided with screw rod (6) in the nozzle body, the periphery of screw rod (6) is provided with helicla flute, screw rod (6) is sliding to be contained in the nozzle body (1), and helicla flute and nozzle body inwall form helical flow path (5), and being provided with axially extending bore in the bottom of nozzle body is spray orifice (4), the outside of spray orifice is provided with outside cone angle (7), and the inboard is provided with interior cone angle (3).
2. fire-fighting according to claim 1 is characterized in that with through type eddy flow liquid atomizer the spiral fluted quantity of described screw rod (6) periphery is the 1-3 bar.
3. fire-fighting according to claim 1 is characterized in that with through type eddy flow liquid atomizer described spiral fluted shape of cross section is rectangle, triangle or circular arc.
4. fire-fighting atomization of liquid shower nozzle according to claim 1 is characterized in that, lead angle 8～24 degree of described screw spiral trough.
5. fire-fighting according to claim 1 is characterized in that with through type eddy flow liquid atomizer, outside cone angle (7) 90～120 degree in the described spray orifice outside, interior cone angle (3) 90～120 degree of spray orifice inboard.
6. fire-fighting according to claim 1 is characterized in that with through type eddy flow liquid atomizer described spray orifice (4) is shaped as circle, ellipse, triangle, quincunx.
7. fire-fighting according to claim 1 through type eddy flow liquid atomizer, it is characterized in that the outside of described nozzle body (1) is provided with external connection screw (2), by the external connection screw (2) of nozzle body (1), shower nozzle is connected with nozzle boss, forms single shower nozzle.
8. fire-fighting according to claim 7 is characterized in that with through type eddy flow liquid atomizer, and two and above nozzle body (1) integrate the formation combined sprinkler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201031233U CN201006215Y (en) | 2007-01-05 | 2007-01-05 | Straight-through vortex liquid atomization injector for fire-fighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201031233U CN201006215Y (en) | 2007-01-05 | 2007-01-05 | Straight-through vortex liquid atomization injector for fire-fighting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201006215Y true CN201006215Y (en) | 2008-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201031233U Expired - Fee Related CN201006215Y (en) | 2007-01-05 | 2007-01-05 | Straight-through vortex liquid atomization injector for fire-fighting |
Country Status (1)
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| CN (1) | CN201006215Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103535295A (en) * | 2013-07-29 | 2014-01-29 | 太阳高新技术（深圳）有限公司 | Automatic feeding device |
| CN105344506A (en) * | 2015-12-15 | 2016-02-24 | 重庆亘宇园林景观工程有限公司 | Centrifugal spray head with annular grooves for landscaping project |
| CN106693250A (en) * | 2016-09-27 | 2017-05-24 | 何先庆 | Direct-current water mist multifunctional water gun |
| CN107051760A (en) * | 2017-05-02 | 2017-08-18 | 三峡大学 | A kind of atomizer for dry fog device for reducing dust |
| CN112691801A (en) * | 2020-12-18 | 2021-04-23 | 贵州航天朝阳科技有限责任公司 | Simple adjustable atomizing nozzle and adjusting method |
| WO2024037015A1 (en) * | 2022-08-19 | 2024-02-22 | 海南摩尔兄弟科技有限公司 | Electronic atomization device, atomizer and nozzle assembly |
-
2007
- 2007-01-05 CN CNU2007201031233U patent/CN201006215Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103535295A (en) * | 2013-07-29 | 2014-01-29 | 太阳高新技术（深圳）有限公司 | Automatic feeding device |
| CN103535295B (en) * | 2013-07-29 | 2015-06-17 | 太阳高新技术（深圳）有限公司 | Automatic feeding device |
| CN105344506A (en) * | 2015-12-15 | 2016-02-24 | 重庆亘宇园林景观工程有限公司 | Centrifugal spray head with annular grooves for landscaping project |
| CN106693250A (en) * | 2016-09-27 | 2017-05-24 | 何先庆 | Direct-current water mist multifunctional water gun |
| CN107051760A (en) * | 2017-05-02 | 2017-08-18 | 三峡大学 | A kind of atomizer for dry fog device for reducing dust |
| CN112691801A (en) * | 2020-12-18 | 2021-04-23 | 贵州航天朝阳科技有限责任公司 | Simple adjustable atomizing nozzle and adjusting method |
| CN112691801B (en) * | 2020-12-18 | 2021-09-24 | 贵州航天朝阳科技有限责任公司 | Simple adjustable atomizing nozzle and adjusting method |
| WO2024037015A1 (en) * | 2022-08-19 | 2024-02-22 | 海南摩尔兄弟科技有限公司 | Electronic atomization device, atomizer and nozzle assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080116 Termination date: 20100205 |