CN115581870A - Water mist nozzle for fire extinguishing and water mist fire extinguishing system - Google Patents
Water mist nozzle for fire extinguishing and water mist fire extinguishing system Download PDFInfo
- Publication number
- CN115581870A CN115581870A CN202211216805.0A CN202211216805A CN115581870A CN 115581870 A CN115581870 A CN 115581870A CN 202211216805 A CN202211216805 A CN 202211216805A CN 115581870 A CN115581870 A CN 115581870A
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- nozzle
- water mist
- water
- fire extinguishing
- fire
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 103
- 239000003595 mist Substances 0.000 title claims abstract description 63
- 238000010304 firing Methods 0.000 claims abstract description 29
- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract description 38
- 230000000694 effects Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000000889 atomisation Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 239000000779 smoke Substances 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009688 liquid atomisation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
- A62C3/10—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in ships
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Nozzles (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of fire fighting, in particular to a water mist spray head for fire extinguishing and a water mist fire extinguishing system, wherein the water mist spray head for fire extinguishing comprises a nozzle shell, the nozzle shell is provided with a hollow first flow passage, and the first flow passage is arranged along the axial direction of the nozzle shell and is coaxial with the nozzle shell; the filter screen is arranged at one end of the nozzle shell and is positioned at the water inlet of the first flow passage; the positioning and mounting assembly comprises a mounting piece and a firing pin, and the mounting piece is arranged on the nozzle shell and is positioned at the water outlet of the first flow passage; a protective sleeve disposed on the nozzle housing. The invention can effectively protect the firing pin and prolong the service life of the water mist spray head for fire extinguishing while ensuring the normal work of the water mist spray head for fire extinguishing.
Description
Technical Field
The invention relates to the technical field of fire fighting, in particular to a water mist spray head for fire extinguishing and a water mist fire extinguishing system.
Background
According to the SOLAS Chapter II-2, partC Regulation10, a ship must be provided with a fixed fire-fighting system, wherein the water mist fire-fighting system has the advantages of small water consumption, wide application range and the like compared with a water spray fire-fighting system. The existing water mist fire extinguishing system for ships is divided into a high-pressure system and a medium-low pressure system, and the system pressure exceeds 3.45Mpa and is a high-pressure system.
The atomizing nozzle is a device capable of atomizing and spraying liquid, and liquid atomization technology mainly comprises pressure atomization, electrostatic atomization, ultrasonic atomization, bubble atomization and the like. For the marine atomizing nozzle, the requirements of simple equipment, low energy consumption and the like are considered, and a pressure mechanical atomizing method is basically adopted. The mechanical atomizing nozzle mainly comprises a direct current impact type atomizing nozzle and a pressure spiral-flow type atomizing nozzle, wherein the direct current impact type atomizing nozzle and the pressure spiral-flow type atomizing nozzle are provided with no rotating part, have the characteristics of strong reliability, long service life, relatively simple manufacturing and processing, strong cost controllability and the like, and are widely applied to the design of marine nozzles.
The direct current impact type atomizing spray head directly impacts firing pins outside the spray head by high-speed jet flow, and fluid is crushed to form fine liquid drops for atomization. The efflux receives high pressure effect at the shower nozzle entrance, realizes in the first flow channel in the shower nozzle from pressure energy to kinetic energy conversion, and liquid obtains higher flow kinetic energy, and the efflux is followed the spout department and is erupted the back, because the huge change of pressure differential, relatively higher gas-liquid relative speed simultaneously with from the nearer striker collision in shower nozzle exit, obtained powerful external force, the efflux has received very big shearing action, and then impels the liquid film to break into the liquid drop that the particle diameter is littleer. The direct current impact type atomizing nozzle has the advantages that fog drops are fine, the diameter of the fog drops is generally 0.2-0.3mm, the initial spraying speed of most of water fog is low due to impact loss of the fog drops formed after impact, the fog drops obviously drift in the air, the cooling effect is obvious, steam is diluted and emitted through heat absorption, the combustion rate is reduced, and explosion danger and fire hazard damage are reduced.
However, since the ship sails in a severe environment for a long time, the firing pin of the direct-current impact type atomizing nozzle is positioned outside the nozzle and is easily damaged due to collision of other equipment.
Therefore, there is a need for a water mist fire suppression spray head and a water mist fire suppression system to solve the above problems.
Disclosure of Invention
The invention aims to provide a water mist spray head for fire extinguishing and a water mist fire extinguishing system, which can effectively protect a firing pin and prolong the service life of the water mist spray head for fire extinguishing while ensuring the normal work of the water mist spray head for fire extinguishing.
In order to achieve the purpose, the invention adopts the following technical scheme:
water mist head for fire suppression, comprising:
the nozzle comprises a nozzle shell, a first flow channel and a second flow channel, wherein the nozzle shell is provided with a hollow first flow channel, and the first flow channel is arranged along the axial direction of the nozzle shell and is coaxial with the nozzle shell;
the filter screen is arranged at one end of the nozzle shell and positioned at the water inlet of the first flow passage, and the filter screen is used for filtering fire water from a water supply system;
the positioning and mounting assembly comprises a mounting piece and a firing pin, the mounting piece is arranged on the nozzle shell and is positioned at the water outlet of the first flow channel, a water outlet communicated with the first flow channel is formed in the mounting piece, one end of the firing pin is arranged on the mounting piece, and the other end of the firing pin is opposite to the water outlet and is arranged at intervals;
the nozzle comprises a nozzle shell, a protective sleeve, a firing pin and a positioning installation component, wherein the nozzle shell is provided with one end of the firing pin, and the protective sleeve is arranged on the nozzle shell and can be sleeved on the positioning installation component.
Further, the protection sleeve is an annular sleeve, and the protection sleeve and the nozzle shell are arranged coaxially.
Further, the protection sleeve and the nozzle shell are of an integrated structure.
Furthermore, a valve core is arranged in the nozzle shell, a second flow channel communicated with the first flow channel is formed in the valve core along the extending direction of the valve core, the first end of the valve core extends out of the nozzle shell and is located in the protective sleeve, and the mounting piece is arranged at the first end of the valve core.
Furthermore, an elastic part is arranged between the valve core and the nozzle shell, one end of the elastic part is abutted against the valve core, and the other end of the elastic part is abutted against the nozzle shell.
Furthermore, a first annular positioning bulge is arranged at a second end, located in the nozzle shell, of the valve core, a second annular positioning bulge is arranged in the nozzle shell, the elastic piece is sleeved on the valve core, one end of the elastic piece is abutted to the first annular positioning bulge, the other end of the elastic piece is abutted to the second annular positioning bulge, and the elastic piece can enable the positioning and mounting assembly to be located in the protective sleeve.
Furthermore, the valve core is sleeved with a Gray ring, and the outer side surface of the Gray ring is attached to the wall surface of the first flow channel.
Furthermore, an annular mounting groove is formed in the valve core, the GREEN ring is embedded in the mounting groove, and the outer side face of the GREEN ring protrudes relative to the mounting groove.
Further, the lag with nozzle housing threaded connection, the lag is seted up and is the through-hole of horn mouth form.
A water mist fire extinguishing system comprises the water mist nozzle for fire extinguishing.
The invention has the beneficial effects that:
according to the water mist spray head for fire extinguishment, the filter screen is mounted at one end of the nozzle shell and used for filtering fire-fighting water, the mounting piece is arranged on the nozzle shell, the striker is mounted through the mounting piece, the stability of the striker after being impacted by water flow can be improved, the pressurizing effect can be achieved by arranging the water outlet hole in the mounting piece, the fact that the fire-fighting water is fully atomized after impacting the striker after being discharged through the water outlet hole is guaranteed, the protection sleeve is arranged on the nozzle shell and can protect the striker, the striker is prevented from being deformed due to mistaken impact, and the service life of the water mist spray head for fire extinguishment is prolonged while the normal work of the water mist spray head for fire extinguishment is guaranteed.
The water mist fire extinguishing system comprises the water mist spray head for fire extinguishing, the firing pin can be effectively protected while the normal work of the water mist spray head for fire extinguishing is ensured, and the service life of the water mist spray head for fire extinguishing is prolonged.
Drawings
FIG. 1 is a sectional view showing a structure of a water mist head for fire extinguishing according to the present invention;
FIG. 2 is a sectional view showing another structure of a water mist nozzle for fire extinguishing according to the present invention;
FIG. 3 is a schematic view of a plurality of the integration of the water mist head for fire suppression of FIG. 1;
fig. 4 is a schematic view of a plurality of the integration of the water mist head for fire fighting of fig. 2.
In the figure:
1. a nozzle housing; 11. a second annular positioning boss; 12. a first flow passage; 2. a filter screen; 3. positioning the mounting assembly; 31. a mounting member; 311. a water outlet hole; 32. a striker; 4. a protective sleeve; 5. a valve core; 51. a first annular positioning projection; 52. a second flow passage; 53. a Glare circle; 6. an elastic member.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the features relevant to the present invention are shown in the drawings.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and encompass, for example, both fixed and removable connections unless otherwise explicitly stated or limited; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
Example one
When the water mist spray head for fire extinguishing is used for spraying water for fire extinguishing, in order to ensure that the water mist spray head for fire extinguishing works normally, and simultaneously effectively protect a firing pin and prolong the service life of the water mist spray head for fire extinguishing, the invention provides the water mist spray head for fire extinguishing as shown in figure 1. The water mist spray head for fire extinguishing comprises a spray head shell 1, a filter screen 2, a positioning and mounting component 3 and a protective sleeve 4.
The nozzle shell 1 is provided with a hollow first flow passage 12, and the first flow passage 12 is arranged along the axial direction of the nozzle shell 1 and is coaxial with the nozzle shell 1; the filter screen 2 is arranged at one end of the nozzle shell 1 and is positioned at the water inlet of the first flow passage 12, and the filter screen 2 is used for filtering fire fighting water from a water supply system; the positioning and mounting assembly 3 comprises a mounting member 31 and a firing pin 32, the mounting member 31 is arranged on the nozzle housing 1 and is positioned at the water outlet of the first flow channel 12, the mounting member 31 is provided with a water outlet 311 communicated with the first flow channel 12, one end of the firing pin 32 is arranged on the mounting member 31, and the other end of the firing pin 32 is opposite to the water outlet 311 and is arranged at intervals; the protection sleeve 4 is arranged on the nozzle shell 1 and is positioned at one end of the nozzle shell 1, which is provided with the firing pin 32, and the protection sleeve 4 can be sleeved on the positioning installation component 3.
The firing pin 32 is installed on nozzle housing 1 through installed part 31, can promote the stability after the firing pin 32 receives water impact, and through set up water outlet 311 on installed part 31, can play the pressure boost effect, guarantee that fire water passes through water outlet 311 and discharges the back, strike sufficient atomizing on the firing pin 32, be provided with lag 4 on nozzle housing 1, can protect firing pin 32, prevent that the mistake from bumping and leading to firing pin 32 to warp, when guaranteeing fire extinguishing water mist nozzle normal work, the life of extension fire extinguishing water mist nozzle.
Further, the protection sleeve 4 is an annular sleeve, and the protection sleeve 4 and the nozzle shell 1 are arranged coaxially. Through the design lag 4 for annular cover tube-shaped structure, can overlap and protect location installation component 3 at location installation component 3.
Further, the protector 4 and the nozzle housing 1 are integrated. Through the arrangement, the protection sleeve 4 can be stably connected with the nozzle shell 1, and the manufacturing is convenient.
Further, a valve core 5 is arranged in the nozzle housing 1, a second flow passage 52 communicated with the first flow passage 12 is opened on the valve core 5 along the extending direction of the valve core 5, a first end of the valve core 5 extends out of the nozzle housing 1 and is positioned in the protection sleeve 4, and the mounting piece 31 is arranged on the first end of the valve core 5. Through setting up the valve core 5, seted up second runner 52 on the valve core 5, the cross-sectional area of second runner 52 is less than the cross-sectional area of first runner 12 to after fire water entered into second runner 52 through first runner 12, second runner 52 can be to increasing water pressure, guarantees the atomizing effect.
Further, an elastic member 6 is provided between the valve body 5 and the nozzle housing 1, one end of the elastic member 6 abuts against the valve body 5, and the other end of the elastic member 6 abuts against the nozzle housing 1. Specifically, in the present embodiment, the elastic member 6 is a compression spring.
Further, a first annular positioning bulge 51 is arranged at a second end, located in the nozzle shell 1, of the valve core 5, a second annular positioning bulge 11 is arranged in the nozzle shell 1, the valve core 5 is sleeved with the elastic piece 6, one end of the elastic piece 6 is abutted to the first annular positioning bulge 51, the other end of the elastic piece 6 is abutted to the second annular positioning bulge 11, and the elastic piece 6 enables the positioning and mounting assembly 3 to be located in the protective sleeve 4. When the water mist spray nozzle for fire extinguishing does not work, the elastic piece 6 is in an unstressed state, and at the moment, the firing pin 32 is positioned in the protective sleeve 4; when the water mist spray head for fire extinguishing works, the valve core 5 is pushed by high-pressure fire water to act, so that the elastic piece 6 is extruded, the mounting piece 31 and the firing pin 32 stretch out of the protective sleeve 4, the fire water is atomized by colliding the firing pin 32 through the water outlet 311 on the mounting piece 31, and the atomized water drops cover a larger area due to the fact that the protective sleeve 4 is not limited, and the fire fighting effect is guaranteed.
Further, the valve element 5 is sleeved with a gray ring 53, and the outer side surface of the gray ring 53 is attached to the wall surface of the first flow channel 12. By using the greige ring 53, on one hand, a sealing function can be achieved, and on the other hand, when the valve core 5 moves relative to the nozzle housing 1, the friction force of the greige ring 53 is small, so that the valve core 5 can move flexibly.
Furthermore, an annular mounting groove is formed in the valve core 5, the gray ring 53 is embedded in the mounting groove, and the outer side surface of the gray ring 53 protrudes relative to the mounting groove. By arranging the mounting groove, the Gray ring 53 is convenient to mount and fix.
In the using process, as shown in fig. 3, a plurality of fire-extinguishing water mist spray heads can be integrated together to form a combined spray head, the combined spray head has wider spray angle and larger water amount per unit area, and the problem that a direct-current impact type spray head has no dead zone of water mist spraying due to the characteristic of a hollow cone spray field can be solved, so that the fire-extinguishing water mist spray head is suitable for a cabin full-flooding water mist system.
Example two
As shown in fig. 2, in this embodiment, the valve core 5 and the elastic member 6 are omitted, the positioning and mounting assembly 3 is directly mounted on the nozzle housing 1, further, the protection sleeve 4 is in threaded connection with the nozzle housing 1, and the protection sleeve 4 is provided with a through hole in a bell mouth shape. The positioning and mounting assembly 3 is always positioned in the through hole of the protective sleeve 4, and the protective sleeve 4 can always protect the positioning and mounting assembly 3. And moreover, the bell-mouth-shaped through holes are utilized, so that the flow field can be optimized, the pressure loss is reduced, and the fire-fighting effect is ensured.
In the using process, as shown in fig. 4, a plurality of fire-extinguishing water mist spray heads can be integrated together to form a combined spray head, the combined spray head has a wider mist angle and larger water amount per unit area, and the problem that a direct-current impact type spray head has no dead zone of water mist spraying due to the characteristics of a hollow cone mist field can be solved, so that the fire-extinguishing water mist spray head is suitable for a cabin full-flooding water mist system.
EXAMPLE III
This embodiment provides a thin water smoke fire extinguishing systems, including above fire extinguishing water smoke shower nozzle, when guaranteeing fire extinguishing water smoke shower nozzle normal work, can effectively protect firing pin 32, prolong fire extinguishing water smoke shower nozzle's life.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. Fire extinguishing water mist nozzle, comprising:
the nozzle comprises a nozzle shell (1), wherein the nozzle shell (1) is provided with a hollow first flow passage (12), and the first flow passage (12) is arranged along the axial direction of the nozzle shell (1) and is coaxial with the nozzle shell (1);
the filter screen (2) is arranged at one end of the nozzle shell (1) and is positioned at a water inlet of the first flow channel (12), and the filter screen (2) is used for filtering fire fighting water from a water supply system;
the positioning and mounting assembly (3) comprises a mounting piece (31) and a firing pin (32), the mounting piece (31) is arranged on the nozzle shell (1) and is positioned at a water outlet of the first flow channel (12), a water outlet hole (311) communicated with the first flow channel (12) is formed in the mounting piece (31), one end of the firing pin (32) is arranged on the mounting piece (31), and the other end of the firing pin (32) is opposite to and spaced from the water outlet hole (311);
lag (4), lag (4) set up on nozzle housing (1), and be located nozzle housing (1) is provided with the one end of firing pin (32), lag (4) can overlap and establish on location installation component (3).
2. Fire extinguishing mist sprinkler according to claim 1, characterized in that the protective sleeve (4) is an annular sleeve, the protective sleeve (4) being arranged coaxially with the nozzle housing (1).
3. Fire extinguishing mist sprinkler according to claim 2, characterized in that the protective cover (4) is of one piece construction with the nozzle housing (1).
4. The mist sprinkler according to claim 1, characterized in that a valve element (5) is arranged in the nozzle housing (1), a second flow channel (52) communicating with the first flow channel (12) is arranged on the valve element (5) along the extension direction of the valve element (5), a first end of the valve element (5) protrudes relative to the nozzle housing (1) and is located in the protective cover (4), and the mounting member (31) is arranged on the first end of the valve element (5).
5. A water mist head for fire fighting according to claim 4, characterized in that an elastic member (6) is arranged between the valve cartridge (5) and the nozzle housing (1), one end of the elastic member (6) abutting against the valve cartridge (5) and the other end of the elastic member (6) abutting against the nozzle housing (1).
6. A water mist head for fire fighting according to claim 5, characterized in that a second end of the valve element (5) in the nozzle housing (1) is provided with a first annular positioning protrusion (51), a second annular positioning protrusion (11) is provided in the nozzle housing (1), the resilient member (6) is sleeved on the valve element (5), one end of the resilient member (6) abuts against the first annular positioning protrusion (51), the other end of the resilient member (6) abuts against the second annular positioning protrusion (11), and the resilient member (6) enables the positioning and mounting assembly (3) to be located in the protective cover (4).
7. A water mist head for fire fighting according to claim 4, characterized in that the valve element (5) is fitted with a GREEN (53), and an outer side surface of the GREEN (53) is attached to a wall surface of the first flow path (12).
8. A water mist head for fire fighting as claimed in claim 7, characterized in that the valve element (5) is provided with an annular mounting groove, the GREEN ring (53) is embedded in the mounting groove, and the outer side of the GREEN ring (53) protrudes relative to the mounting groove.
9. Fire-extinguishing mist sprinkler according to claim 1, characterized in that the protective sleeve (4) is in threaded connection with the nozzle housing (1), the protective sleeve (4) being provided with a flared through-hole.
10. Water mist fire extinguishing system, characterized in that it comprises a water mist head for fire fighting according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211216805.0A CN115581870A (en) | 2022-09-30 | 2022-09-30 | Water mist nozzle for fire extinguishing and water mist fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211216805.0A CN115581870A (en) | 2022-09-30 | 2022-09-30 | Water mist nozzle for fire extinguishing and water mist fire extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115581870A true CN115581870A (en) | 2023-01-10 |
Family
ID=84773118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211216805.0A Pending CN115581870A (en) | 2022-09-30 | 2022-09-30 | Water mist nozzle for fire extinguishing and water mist fire extinguishing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115581870A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024164485A1 (en) * | 2023-02-08 | 2024-08-15 | 广州君霖医疗科技有限公司 | Pressurized atomization device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2614085Y (en) * | 2003-01-20 | 2004-05-05 | 马钟炜 | Protective sprayer nozzle |
| CN1647860A (en) * | 2005-02-03 | 2005-08-03 | 马钟炜 | Anti-collision telescopic atomizing spray nozzle |
| CN1832781A (en) * | 2003-02-28 | 2006-09-13 | Vid公司 | A fire protection system having a water mist nozzle |
| CN2817908Y (en) * | 2005-08-18 | 2006-09-20 | 公安部上海消防研究所 | Oscillating fine fog nozzle |
| CN106621144A (en) * | 2016-12-19 | 2017-05-10 | 中国计量大学 | Water mist nozzle inhibiting spread of explosion flame of combustible dust/air mixture |
| CN114870308A (en) * | 2022-06-21 | 2022-08-09 | 长安大学 | Impact type nozzle capable of adjusting atomization particle size and range |
-
2022
- 2022-09-30 CN CN202211216805.0A patent/CN115581870A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2614085Y (en) * | 2003-01-20 | 2004-05-05 | 马钟炜 | Protective sprayer nozzle |
| CN1832781A (en) * | 2003-02-28 | 2006-09-13 | Vid公司 | A fire protection system having a water mist nozzle |
| CN1647860A (en) * | 2005-02-03 | 2005-08-03 | 马钟炜 | Anti-collision telescopic atomizing spray nozzle |
| CN2817908Y (en) * | 2005-08-18 | 2006-09-20 | 公安部上海消防研究所 | Oscillating fine fog nozzle |
| CN106621144A (en) * | 2016-12-19 | 2017-05-10 | 中国计量大学 | Water mist nozzle inhibiting spread of explosion flame of combustible dust/air mixture |
| CN114870308A (en) * | 2022-06-21 | 2022-08-09 | 长安大学 | Impact type nozzle capable of adjusting atomization particle size and range |
Non-Patent Citations (1)
| Title |
|---|
| 樊富友 等: "《制导炸弹结构总体分析与设计》", 西北工业大学出版社, pages: 83 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024164485A1 (en) * | 2023-02-08 | 2024-08-15 | 广州君霖医疗科技有限公司 | Pressurized atomization device |
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Application publication date: 20230110 |