CN212651265U - Rotary atomizing nozzle - Google Patents
Rotary atomizing nozzle Download PDFInfo
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- CN212651265U CN212651265U CN202020087077.8U CN202020087077U CN212651265U CN 212651265 U CN212651265 U CN 212651265U CN 202020087077 U CN202020087077 U CN 202020087077U CN 212651265 U CN212651265 U CN 212651265U
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- fire extinguishing
- fire
- rotating shaft
- rotary atomizing
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Abstract
The utility model discloses a rotatory atomizing nozzle, including the mixed component of additive and water, include the excessive joint of being connected with fire-fighting pipeline, the orifice plate of control nozzle flow, the rotatory rotation axis of linkage shower nozzle is provided with between rotation axis and the excessive joint and rotates support piece, and rotation axis and excessive joint below are provided with the shower nozzle. Through the recoil that produces when spraying fire extinguishing agent, the rotation of drive nozzle self increases the centrifugal force of fire extinguishing agent, reinforcing atomization effect improves the diffusion ability of fire extinguishing agent, and rotatory nozzle makes the more even diffusion of fire extinguishing agent in the protected area simultaneously, reaches the protection at no dead angle to improve the fire extinguishing efficiency who goes out the device, realize putting out a fire fast.
Description
Technical Field
The utility model relates to a extinguishing device field, concretely relates to rotatory atomizing nozzle.
Background
At present, the common fire extinguishing agents in the market comprise a dry powder fire extinguishing agent, a foaming fire extinguishing agent and an aqueous agent fire extinguishing agent, the main points of the fire extinguishing agents are heat absorption, temperature reduction, fire source sealing and oxygen isolation, a physical fire extinguishing method is used, and the fire extinguishing agents have the defects that the fire extinguishing rate is low, and the aqueous agent fire extinguishing process is easy to generate water gas explosion at high temperature, so that major accidents are easy to cause. In addition, the resin with flame retardant property or the added flame retardant is used, and the toxic and harmful gas and smoke dust generated during the combustion of the material matched with the flame retardant greatly influence the measures of people such as escape, rescue, fire fighting and the like.
Since the 21 st century, especially in the past decade, lithium ion batteries have been widely used in the fields of traffic power supplies, power energy storage supplies, mobile communication power supplies, new energy storage power supplies, aerospace military power supplies and the like by virtue of their excellent properties of high energy density, large output power, high open circuit voltage, no memory effect, wide working temperature range, low self-discharge, high charging and discharging speed and the like, and have gradually become an important component of energy consumption in China.
The large-area popularization and high-frequency use of the lithium ion battery also enable the lithium ion battery to be in fire accidents.
Therefore, a fire extinguisher which can extinguish fire more efficiently and is safe and reliable simultaneously is forced to meet the requirements in the field of lithium battery fire extinguishment.
The nozzle is as the key part among the gas fire extinguishing system, and its jet flow, protection radius, atomization effect directly influence fire extinguishing system's fire extinguishing efficiency, especially use extensive heptafluoropropane fire extinguishing agent, perfluor hexanone fire extinguishing agent on the existing market, it is liquid in the pipeline, strike, get into the protection zone after the centrifugal atomization through the nozzle, realize putting out a fire fast, and the high atomization effect of nozzle can improve fire extinguishing efficiency, increases the fire extinguishing agent coverage in the region, ensures that the fire extinguishing agent concentration in the protection zone reaches more evenly.
The nozzles aiming at the heptafluoropropane and perfluorohexanone fire extinguishing agents in the current market all adopt a mode of punching a plurality of holes on a cylindrical surface, and the following problems are found through repeated tests: firstly, the traditional nozzle can realize a certain atomization effect under high pressure, but the fire extinguishing agent is sprayed out in a liquid state along with the reduction of pressure in the later period of spraying, so that the atomization and diffusion of the fire extinguishing agent are not facilitated; secondly, the fire extinguishing agent is not uniformly dispersed, is umbrella-shaped when sprayed, is concentrated in the area sprayed by the spray holes, and cannot be uniformly distributed in the protection area; and thirdly, the jet holes directly aim at the articles in the protection area, and when the articles are jetted in the initial stage, the jet pressure is too high, so that the protection objects are damaged.
A spray structure with wider coverage area, good atomization effect, even spray and relaxed spray pressure is needed in the prior art.
Disclosure of Invention
The invention aims to provide a rotary atomizing nozzle, which effectively improves the safety and the high efficiency of a fire extinguisher in the using process, has wider coverage area, good atomizing effect, uniform spraying, gentle spraying pressure and better fire extinguishing effect in the fire extinguishing process.
In order to solve the technical problems, the invention adopts the technical scheme that: a rotary atomizing nozzle comprising a mixing component of an additive and water, characterized in that: the fire-fighting nozzle comprises a transition joint connected with a fire-fighting pipeline, a throttle orifice plate for controlling the flow of a nozzle, a rotating shaft for linking the nozzle, a rotating support piece arranged between the rotating shaft and the transition joint, and a nozzle arranged below the rotating shaft and the transition joint.
As a refinement, the rotating support is a ball.
As an improvement, the rotary support is a rolling bearing.
As an improvement, transition joint, one end is equipped with the pipe thread and is convenient for be connected with fire extinguishing agent fire-fighting pipeline, and the inside step hole that is equipped with the joint location of the other end, the downthehole free circumferential direction rotation of step downthehole activity joint rotation axis, rotation axis can be in the step hole, and the outside is equipped with the outer hexagonal structure of the mounting tool operation of being convenient for.
As an improvement, the upper part of the rotating shaft is provided with an inwards concave stepped groove for facilitating clamping and mounting of the throttling orifice plate, the lower part of the rotating shaft is provided with a right-handed thread for facilitating connection, and a ball is movably arranged between the rotating shaft and the transition joint. The friction coefficient is convenient to reduce, the rotating speed of the fire extinguishing agent during spraying is improved, the centrifugal force is enhanced, and the atomization effect is improved.
As a modification, the balls are provided in three or more numbers. The rotation process supports more evenly, rotates more smoothly.
As an improvement, the throttling orifice plate is connected with the step groove of the rotating shaft in an interference fit mode.
As an improvement, the upper portion of the spray head is provided with a hole groove, an internal thread connected with a rotating shaft is arranged in the hole groove, an eccentric hole is formed in the side face of the spray head, the central axis of the eccentric hole is perpendicular to and does not intersect with the rotating shaft of the spray head, eccentric force is formed during spraying, the spray head is driven to rotate, a spray hole I is formed in the inclined face, a spray hole II is formed in the bottom of the spray head, the tail end of the spray hole II is of a spherical structure, and a V-shaped groove is formed in the bottom of the spray head. The central axis of the eccentric hole A is vertical to and does not intersect with the rotating shaft of the spray head, so that the eccentric effect is achieved, and the lateral driving force is generated when the fire extinguishing agent is sprayed; the inclined plane is provided with a spray hole I, so that the spray angle of the fire extinguishing agent is increased conveniently, and the coverage area is increased; when the nozzle rotates to spray, the fan-shaped spraying surface of the nozzle forms an original conical surface, and uniform diffusion in the area is realized.
The beneficial effects of the invention are as follows: through the recoil that produces when spraying fire extinguishing agent, the rotation of drive nozzle self increases the centrifugal force of fire extinguishing agent, reinforcing atomization effect improves the diffusion ability of fire extinguishing agent, and rotatory nozzle makes the more even diffusion of fire extinguishing agent in the protected area simultaneously, reaches the protection at no dead angle to improve the fire extinguishing efficiency who goes out the device, realize putting out a fire fast.
Description of the drawings:
FIG. 1 is a schematic view of a connection structure of a nozzle;
FIG. 2 is a schematic cross-sectional view of a nozzle;
fig. 3 is a schematic structural diagram of the spray head.
Detailed Description
The first embodiment is as follows:
a rotary atomizing nozzle as shown in fig. 1, 2 and 3, comprising a mixing component of an additive and water, characterized in that: the fire-fighting nozzle comprises a transition joint 1 connected with a fire-fighting pipeline, a throttle orifice plate 2 for controlling the flow of a nozzle, a rotating shaft 3 for linking the nozzle to rotate, a rotating support member 4 arranged between the rotating shaft and the transition joint, and a nozzle 5 arranged below the rotating shaft and the transition joint.
In this embodiment, the rotating support is a ball.
In this embodiment, transition joint 1, one end is equipped with the pipe thread and is convenient for be connected with fire extinguishing agent fire-fighting pipeline, and the inside step hole that is equipped with the joint location of the other end, the downthehole free circumferential direction rotation of step downthehole activity joint rotation axis, rotation axis can be in the step hole, and the outside is equipped with the outer hexagonal structure of the mounting tool operation of being convenient for.
In this embodiment, the upper portion of the rotating shaft 3 is provided with a recessed stepped groove for facilitating clamping installation of the orifice plate 2, the lower portion of the rotating shaft is provided with a right-handed thread for facilitating connection, and a ball is movably arranged between the rotating shaft and the transition joint 1. The friction coefficient is convenient to reduce, the rotating speed of the fire extinguishing agent during spraying is improved, the centrifugal force is enhanced, and the atomization effect is improved.
In this embodiment, the balls are provided in three or more numbers. The rotation process supports more evenly, rotates more smoothly.
In this embodiment, the orifice plate 2 and the stepped groove of the rotating shaft 3 are connected in an interference fit manner.
In this embodiment, the upper portion of the nozzle 5 is provided with a hole groove, the hole groove is internally provided with an internal thread connected with the rotating shaft 3, the side surface of the nozzle is provided with an eccentric hole 6, the central axis of the eccentric hole 6 is perpendicular to and does not intersect with the rotating shaft of the nozzle, an eccentric force is formed during injection, the nozzle 5 is driven to rotate, the inclined plane is provided with a nozzle hole I7, the bottom of the nozzle 5 is provided with a nozzle hole II, the tail end of the nozzle hole II is of a spherical structure, and the bottom of the nozzle is provided with a V-shaped groove which is. The central axis of the eccentric hole is vertical to and does not intersect with the rotating shaft of the spray head, so that the eccentric effect is achieved, and the lateral driving force is generated when the fire extinguishing agent is sprayed; the inclined plane is provided with a spray hole I, so that the spray angle of the fire extinguishing agent is increased conveniently, and the coverage area is increased; when the nozzle 5 rotates to spray, the fan-shaped spraying surface of the nozzle can form an original conical surface, and uniform diffusion in the area is realized.
The utility model provides a rotatory atomizing nozzle, the fire extinguishing agent flows in cavity 9 through orifice plate 2, some fire extinguishing agent in the cavity 9 is from eccentric orifice 6 blowout, produce radial centrifugal driving force, it is rotatory to promote shower nozzle 5, at this moment from eccentric orifice 6, the quick evenly distributed of spun fire extinguishing agent is in the nozzle side direction in orifice I, the fire extinguishing agent of fan-shaped orifice II injection forms the circular cone face, the dead angle to the nozzle bottom is protected, thereby form and use the nozzle as the effect of the all-round even protection of bottom all around of center, simultaneously, the center pin of eccentric orifice 6 is skew on the right side of shower nozzle rotation axis, supporting shower nozzle adopts right-handed threaded connection with the rotation axis, along with spouting rotatory process, the screw thread between shower nozzle and the rotation axis can be along with rotatory and inseparab.
Example two: the difference from the first embodiment is that the rotating support is a rolling bearing.
Other embodiments of the present invention than the preferred embodiments described above will be apparent to those skilled in the art from the present invention, and various changes and modifications can be made therein without departing from the spirit of the present invention as defined in the appended claims.
Claims (7)
1. A rotary atomizing nozzle characterized by: the fire-fighting pipeline fire-fighting nozzle comprises a transition joint (1) connected with a fire-fighting pipeline, a throttle orifice plate (2) for controlling the flow of a nozzle, a rotating shaft (3) linked with a nozzle to rotate, a rotating support member (4) arranged between the rotating shaft and the transition joint, and a nozzle (5) arranged below the rotating shaft and the transition joint; shower nozzle (5), upper portion is equipped with the hole groove, the hole inslot is provided with the internal thread of being connected with rotation axis (3), the shower nozzle side is equipped with eccentric orfice (6), the axis of eccentric orfice (6) is perpendicular and the non-intersect with the rotation axis of shower nozzle, form the eccentric force during injection, drive shower nozzle (5) are rotatory, be equipped with orifice I (7) on the inclined plane, shower nozzle (5) bottom is equipped with orifice II (8), the orifice end is the ball-type structure, and it has V type groove to open in the shower nozzle bottom, run through with orifice II (8), form fan-shaped injection face.
2. A rotary atomizing nozzle in accordance with claim 1, wherein: the rotating support is a ball.
3. A rotary atomizing nozzle in accordance with claim 1, wherein: the rotating support piece is a rolling bearing.
4. A rotary atomizing nozzle in accordance with claim 1, wherein: transition joint (1), one end are equipped with the pipe thread and are convenient for and fire extinguishing agent fire-fighting pipeline is connected, and the inside step hole that is equipped with the joint location of the other end, the downthehole free circumferential direction rotation of step hole, rotation axis can be in the step hole, and the outside is equipped with the outer hexagonal structure of the mounting tool operation of being convenient for.
5. A rotary atomizing nozzle in accordance with claim 1, wherein: the upper portion of the rotating shaft (3) is provided with an inwards concave stepped groove, the throttling orifice plate (2) is convenient to clamp and install, the lower portion of the rotating shaft is provided with a right-handed thread which is convenient to connect, and a ball is movably arranged between the rotating shaft and the transition joint (1).
6. A rotary atomizing nozzle in accordance with claim 2, wherein: the ball is provided with more than three.
7. A rotary atomizing nozzle in accordance with claim 1, wherein: the throttling orifice plate (2) is connected with the step groove of the rotating shaft (3) in an interference fit mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020087077.8U CN212651265U (en) | 2020-01-16 | 2020-01-16 | Rotary atomizing nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020087077.8U CN212651265U (en) | 2020-01-16 | 2020-01-16 | Rotary atomizing nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212651265U true CN212651265U (en) | 2021-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020087077.8U Active CN212651265U (en) | 2020-01-16 | 2020-01-16 | Rotary atomizing nozzle |
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| CN (1) | CN212651265U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437804A (en) * | 2021-07-09 | 2021-09-24 | 零点创新科技有限公司 | Intelligent power distribution system monitoring device |
| CN114225275A (en) * | 2021-12-24 | 2022-03-25 | 蓝菁(上海)安全技术有限公司 | Method for improving atomization capability of spray head and reducing spray noise and spray head |
| CN115779319A (en) * | 2022-10-31 | 2023-03-14 | 北京北机机电工业有限责任公司 | Rotary nozzle for fire extinguishing bottle |
-
2020
- 2020-01-16 CN CN202020087077.8U patent/CN212651265U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437804A (en) * | 2021-07-09 | 2021-09-24 | 零点创新科技有限公司 | Intelligent power distribution system monitoring device |
| CN114225275A (en) * | 2021-12-24 | 2022-03-25 | 蓝菁(上海)安全技术有限公司 | Method for improving atomization capability of spray head and reducing spray noise and spray head |
| CN115779319A (en) * | 2022-10-31 | 2023-03-14 | 北京北机机电工业有限责任公司 | Rotary nozzle for fire extinguishing bottle |
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