CN102327683A - Embedded nozzle - Google Patents
Embedded nozzle Download PDFInfo
- Publication number
- CN102327683A CN102327683A CN201110210975A CN201110210975A CN102327683A CN 102327683 A CN102327683 A CN 102327683A CN 201110210975 A CN201110210975 A CN 201110210975A CN 201110210975 A CN201110210975 A CN 201110210975A CN 102327683 A CN102327683 A CN 102327683A
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- Prior art keywords
- core
- spray
- nozzle
- dry powder
- nozzle body
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- 239000007921 spray Substances 0.000 claims abstract description 64
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 9
- 239000000843 powder Substances 0.000 abstract description 51
- 230000000694 effects Effects 0.000 abstract description 10
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 239000000443 aerosol Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention belongs to a dry powder fire extinguish device, and in particular relates to an embedded nozzle for dry powder fire extinguishment. The embedded nozzle provided by the invention comprises a nozzle body connected with a pipe network, and is characterized in that a nozzle runner is arranged inside the nozzle body; a spray core is embedded in the nozzle runner, and is fixedly connected to the nozzle body through a mounting bracket; an annular spray channel is formed between the spray core and the nozzle body; and a spray runner is arranged on the axes of the spray core. According to the invention, an air bell can be formed on the periphery, dry powder sprayed from the spray runner in the middle of the air bell is ensured to maintain a higher spray speed to impact an ignition point, the impacted dry powder is sufficiently dispersed, the formed air bell can be used for reducing the influence of air flow of surrounding environment on a dry powder flow, and the dry powder is guaranteed to sufficiently play the fire extinguishing effect.
Description
Technical field
The invention belongs to dry powder extinguishing installation, particularly a kind of nested type nozzle of dry-chemical fire extinguishing.
Background technology
All there is significant impact in fire for people's productive life and economic development, because of the research and development of material in the fire-fighting equipment field are that people relatively pay close attention to.
In fire extinguishing system, the effect of nozzle is the surface that the high speed primary mixture that carrier pipe is sent here is covered uniformly the object that catches fire, and then realizes fire extinguishing; Common nozzle has once-through type nozzle and wide-angle type nozzle.
The once-through type nozzle flows direct injection with dry powder blend and comes out the place that catches fire is impacted, and dry powder is put out a fire, and when the wind speed of surrounding environment was big, the dry powder that scatters after the impact loose for wind easily, the influence effect of putting out a fire.
The nozzle of wide-angle type, its port adopts trumpet-shaped design, such being designed be beneficial to dry powder in air, carry out one the diffusion and fill the air; The area that the ability enlarged nozzle can cover, but bring a problem like this, because the dry powder of nozzle periphery spreads; Its speed can decrease; When the surrounding environment wind speed was big, the dry mash of nozzle periphery possibly can't be fallen ignition point and put out a fire, and influences the fire extinguishing effect of extinguishing device.
Can know from above-mentioned material; Existing nozzle is because the defective of its structure, and the dry powder fluid capacitance that it ejects is vulnerable to the influence of surrounding air air-flow, is unfavorable for that dry powder can effectively fall ignition point and put out a fire; Possibly delay best fire extinguishing opportunity, the fire extinguishing effect is not good enough.
Summary of the invention
The present invention is directed to the deficiency of prior art; Design a kind of outside and can form an air bell; The dry powder that injection runner in the middle of the air bell ejects can guarantee a higher jet velocity, and ignition point is impacted, and the dry powder after the impact can carry out sufficient disperse; The air bell that forms can reduce the influence of the air draught of surrounding environment to dry powder stream, and assurance dry powder can be given full play to its fire extinguishing effect.
The present invention realizes through following technical scheme:
The nested type nozzle; It comprises the nozzle body that is connected with pipe network; It is characterized in that: described nozzle body set inside has nozzle flow channel, is nested with at nozzle flow channel and is provided with a spray core, and described spray core is fixedly connected on the nozzle body through fixed mount; Form an annular spray road between described spray core and the nozzle body, on the spray wire mandrel, also be provided with one and spray runner.
The end of described spray core offers a groove, is provided with the spout regulating block in the groove, and the spout regulating block is provided with and the adjustment hole that sprays the runner coaxial line.
Described spout regulating block adjustment hole is made up of first conical surface hole and second conical surface hole, and the angle between two conical surfaces in described second conical surface hole is between 10 °～70 °.
Described spray core comprises only core and composite core.
Described composite core is made up of the taper combination core of a plurality of different angles, and described low-angle taper combination core is nested in the taper combination in-core of wide-angle.
The scope of the tapering of described taper combination core is at 30 °～90 °.
The inwall of described nozzle flow channel one end is provided with internal thread, and it is connected with pipe network.
Adopt technique scheme, the present invention has the following advantages:
1, forms an annular spray road between described spray core and the nozzle body; The gas powder stream that number comes from the annular spray road can form an air bell; The air of reduction surrounding environment flows to the influence of the dry powder of disperse, has prevented that the dry powder of disperse from being dispelled, and has improved the fire extinguishing effect.
2, the spout regulating block of described spray core end setting; The angle of injection that can the opposing jet road is carried out an adjusting; Regulate the jet velocity of the dry powder stream that sprays runner, adopt different angle design can adjust the diffusance of intermediate injection air-flow, improve the spread of intermediate injection air-flow.
3, the present invention adopts composite core can form an injection dry powder stream cover that multi-angle is compound, prevents the influence of outer gas stream to the dry powder of disperse, has enlarged the scope of the fire extinguishing of dry-powder air-current simultaneously.
Description of drawings
Fig. 1 is the cutaway view of embodiment one;
Fig. 2 be Fig. 1 K to view;
Fig. 3 is the enlarged drawing at the A place of Fig. 1;
Fig. 4 is the cutaway view of embodiment two;
1 is nozzle body among the figure, and 2 for spraying runner, and 3 are the spray core, and 4 is fixed mount; 5 is the annular spray road, and 6 for spraying runner, and 31 is groove, and 32 is the spout regulating block; 33 is adjustment hole, and 331 is first conical surface hole, and 332 is second conical surface hole, and 7 is 60 ° of conical surface combination cores; 8 is 30 ° of conical surface combination cores, and 9 is the first annular spray road, and 10 is the second annular spray road, and 11 is internal thread.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further specified:
Embodiment one:
Nested type nozzle as shown in Figure 1, it comprises the nozzle body 1 that is connected with pipe network, described nozzle body set inside has nozzle flow channel 2; Nozzle flow channel 2 supplies high speed dry powder air communication mistake, is nested with at nozzle flow channel 2 and is provided with a spray core 3, and this embodiment is with the spray core that adopts only core as this embodiment; The tapering of described spray core 3 is 60 °, and described spray core 3 is fixedly connected on the nozzle body 1 through fixed mount 4, and described fixed mount is as shown in Figure 2; It is a brace with a plurality of connection pawls, and spray core 3 is fixedly connected on the brace through screw, and brace is fixed on the nozzle body 1 through connecting pawl; Realization is fixing to spray core 3 and nozzle body 1, fixedly contacts between rear nozzle body 1 and the spray core 3 to connect, and sprays core 3 unsettled being arranged in the nozzle flow channel 1; Form an annular spray road 5 between described spray core 3 and the nozzle body 1, the dry-powder air-current that ejects from the annular spray road can form an aerosol cover, reduces the dry powder that outer gas stream dispels disperse; Improve the fire extinguishing effect, on spray core 3 axis, also be provided with one and spray runner 6, spray the dry-powder air-current that runner 6 can eject the high pressure straight line; Dry-powder air-current directly acts on the burning things which may cause a fire disaster surface; Dry-powder air-current bump back forms the dry powder district of a disperse, and the condition of isolated burning things which may cause a fire disaster burning is put out a fire.
The end of described spray core 3 offers a groove 31, is provided with spout regulating block 32 in the groove 31, and spout regulating block 32 is provided with adjustment hole 33; Adjustment hole and injection runner coaxial line, described spout regulating block 33 adjustment holes are made up of first conical surface hole 331 and second conical surface hole 332, and the angle between two conical surfaces in described second conical surface hole 332 is between 10 °～70 °; A compression is carried out to dry-powder air-current in first conical surface hole, improves the pressure of dry-powder air-current, and second conical surface hole is carried out one to dry-powder air-current and discharged and diffusion; Improved the jet velocity of dry-powder air-current; Enlarge the area that dry-powder air-current can cover, dry powder has been spread, also can improve the speed of its disperse in air; Ability fast shut-off burning condition is realized arc extinguishing.
The inwall of described nozzle flow channel one end is provided with internal thread 11, and it is connected with pipe network, and adopting is threaded has better seal property, meets the requirement of powder extinguishing system to sealing property, and adopting simultaneously is threaded also is convenient to processing, has reduced manufacture difficulty.
Embodiment two:
Nested type nozzle as shown in Figure 4, it comprises the nozzle body 1 that is connected with pipe network, described nozzle body set inside has nozzle flow channel 2; Nozzle flow channel 2 supplies high speed dry powder air communication mistake, is nested with at nozzle flow channel 2 and is provided with a spray core 3, and the spray core 3 described in this embodiment is a composite core; Described composite core has by the taper combination core 8 of 60 ° taper combination core 7 with 30 ° and constitutes, and 60 ° of tapers combination cores 7 directly are nested in the nozzle flow channel 1, and described 30 ° taper combination core 8 is nested in 60 ° of tapers and makes up in the cores 7; Described composite core is fixedly connected on the nozzle body 1 through fixed mount 4, realizes to spraying the fixing of core 3 and nozzle body 1 fixedly not contact connection between rear nozzle body 1 and the spray core 3; Spray core 3 unsettled being arranged in the nozzle flow channel 1 form between described 60 ° of tapers combination core 7 and the nozzle body 1 between 9, two the taper combinations in the first annular spray road core and have formed the second annular spray road 10; The dry-powder air-current that ejects from the first annular spray road and the second annular spray road can form an aerosol cover, reduces the dry powder that outer gas stream dispels disperse, improves the fire extinguishing effect; The dry-powder air-current Mass fast that the while second annular spray road 10 ejects; Improve blow-off velocity, on the axis of 30 ° of taper combination cores, also be provided with one and spray runner, spray the dry-powder air-current that runner can eject the high pressure straight line; Dry-powder air-current directly acts on the burning things which may cause a fire disaster surface; Dry-powder air-current bump back forms the dry powder district of a disperse, and the condition of isolated burning things which may cause a fire disaster burning is put out a fire.
The scope of the tapering of described taper combination core is at 30 °～90 °, and angle commonly used is by 90 °, 60 °, 45 ° and 30 °, and described taper combination core can only be a nested low-angle taper combination core in the wide-angle taper combination core.
In sum, the present invention forms the annular spray road through structure of nozzle is improved between spray core and nozzle body; The dry-powder air-current that ejects from the annular spray road can form an aerosol cover, reduces the dispel effect of extraneous air air-flow to the dry powder of disperse; Also can quicken simultaneously dry powder to disperse all around, in addition, the present invention adopts the design of composite core; Can prevent on the one hand the influence of air outside air-flow, the design of different angles has on the other hand increased the coverage of nozzle; The road of the annular of different angles spray simultaneously also can quicken dry powder dispersing, cuts off burning condition fast, realizes quick extinguishing.
Claims (7)
1. nested type nozzle; It comprises the nozzle body that is connected with pipe network; It is characterized in that: described nozzle body set inside has nozzle flow channel, is nested with at nozzle flow channel and is provided with a spray core, and described spray core is fixedly connected on the nozzle body through fixed mount; Form an annular spray road between described spray core and the nozzle body, on the spray wire mandrel, also be provided with one and spray runner.
2. nested type nozzle according to claim 1 is characterized in that: the end of described spray core offers a groove, is provided with the spout regulating block in the groove, and the spout regulating block is provided with and the adjustment hole that sprays the runner coaxial line.
3. nested type nozzle according to claim 2 is characterized in that: described spout regulating block adjustment hole is made up of first conical surface hole and second conical surface hole, and the angle between two conical surfaces in described second conical surface hole is between 10 °～70 °.
4. nested type nozzle according to claim 1 is characterized in that: described spray core comprises only core and composite core.
5. nested type nozzle according to claim 4 is characterized in that: described composite core is made up of the taper combination core of a plurality of different angles, and described low-angle taper combination core is nested in the taper combination in-core of wide-angle.
6. nested type nozzle according to claim 5 is characterized in that: the scope of the tapering of described taper combination core is at 30 °～90 °.
7. nested type nozzle according to claim 1 is characterized in that: the inwall of described nozzle flow channel one end is provided with internal thread, and it is connected with pipe network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110210975A CN102327683A (en) | 2011-07-27 | 2011-07-27 | Embedded nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110210975A CN102327683A (en) | 2011-07-27 | 2011-07-27 | Embedded nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102327683A true CN102327683A (en) | 2012-01-25 |
Family
ID=45479804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110210975A Pending CN102327683A (en) | 2011-07-27 | 2011-07-27 | Embedded nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102327683A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107120A (en) * | 2015-07-01 | 2015-12-02 | 凌文祥 | Fire control sprinkler |
| CN110977785A (en) * | 2019-12-23 | 2020-04-10 | 天津百利机械装备集团有限公司中央研究院 | High-precision blade abrasive fluid surface polishing strengthening equipment |
| CN113117914A (en) * | 2021-03-09 | 2021-07-16 | 张宇佳 | Injection apparatus on water pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216477A (en) * | 1996-04-16 | 1999-05-12 | 全民泡沫股份有限公司 | Nozzle for use with fire-fighting foams |
| CN1562418A (en) * | 2004-04-02 | 2005-01-12 | 华中科技大学 | Atomized spray nozzle for fire fighting |
| CN1919469A (en) * | 2006-09-04 | 2007-02-28 | 韩铁夫 | Slender water fog jet with double-ring surface crack nozzle |
| CN101171054A (en) * | 2005-06-05 | 2008-04-30 | 特利斯多公司 | Fire extinguishing device and extinguishing head |
| CA2686945A1 (en) * | 2007-05-25 | 2008-12-04 | Tsm Corporation | Single-action discharge valve |
| CN202199013U (en) * | 2011-07-27 | 2012-04-25 | 江苏中瑞电保智能装备有限公司 | Nested nozzle |
-
2011
- 2011-07-27 CN CN201110210975A patent/CN102327683A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216477A (en) * | 1996-04-16 | 1999-05-12 | 全民泡沫股份有限公司 | Nozzle for use with fire-fighting foams |
| CN1562418A (en) * | 2004-04-02 | 2005-01-12 | 华中科技大学 | Atomized spray nozzle for fire fighting |
| CN101171054A (en) * | 2005-06-05 | 2008-04-30 | 特利斯多公司 | Fire extinguishing device and extinguishing head |
| CN1919469A (en) * | 2006-09-04 | 2007-02-28 | 韩铁夫 | Slender water fog jet with double-ring surface crack nozzle |
| CA2686945A1 (en) * | 2007-05-25 | 2008-12-04 | Tsm Corporation | Single-action discharge valve |
| CN202199013U (en) * | 2011-07-27 | 2012-04-25 | 江苏中瑞电保智能装备有限公司 | Nested nozzle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107120A (en) * | 2015-07-01 | 2015-12-02 | 凌文祥 | Fire control sprinkler |
| CN105107120B (en) * | 2015-07-01 | 2018-07-20 | 凌文祥 | Applicator |
| CN110977785A (en) * | 2019-12-23 | 2020-04-10 | 天津百利机械装备集团有限公司中央研究院 | High-precision blade abrasive fluid surface polishing strengthening equipment |
| CN113117914A (en) * | 2021-03-09 | 2021-07-16 | 张宇佳 | Injection apparatus on water pump |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120125 |