CN214860793U - Noise-reducing pressure-reducing nozzle of fire extinguishing equipment for ultrahigh-pressure storage of inert gas - Google Patents
Noise-reducing pressure-reducing nozzle of fire extinguishing equipment for ultrahigh-pressure storage of inert gas Download PDFInfo
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- CN214860793U CN214860793U CN202023259990.0U CN202023259990U CN214860793U CN 214860793 U CN214860793 U CN 214860793U CN 202023259990 U CN202023259990 U CN 202023259990U CN 214860793 U CN214860793 U CN 214860793U
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Abstract
The utility model discloses a noise-reducing pressure-reducing nozzle of ultrahigh pressure storage inert gas fire extinguishing equipment, which comprises a nozzle main body, a pressure-reducing plate and a speed-reducing plate, wherein the nozzle main body is a pipe body with one open end and the other closed end, the closed end of the nozzle main body is provided with a plurality of nozzles at even intervals along the circumferential direction, and the nozzles are communicated with the inside of the nozzle main body; the pressure reducing plate is arranged at one end, close to the opening, in the nozzle main body, and a pressure reducing hole is formed in the pressure reducing plate along the axial line direction of the nozzle main body so as to reduce the pressure of high-pressure gas entering the nozzle main body from the opening; a plurality of speed reduction plates are arranged in the nozzle body at intervals along the axis direction of the nozzle body, an expansion cavity is formed between the speed reduction plates and the adjacent pressure reduction plates, a speed reduction cavity is formed between the two adjacent speed reduction plates, and a plurality of speed reduction holes are arranged on the speed reduction plates in an array mode by taking the axis of the nozzle body as the center so as to reduce the speed of high-pressure gas guided to the nozzle through the pressure reduction holes.
Description
Technical Field
The utility model belongs to the technical field of fire extinguishing apparatus, especially, relate to a decompression nozzle of making an uproar falls of inert gas fire extinguishing apparatus is stored to superhigh pressure.
Background
The gas fire extinguishing system is a fire extinguishing system which stores fire extinguishing agent in a liquid, liquefied gas or gas state in a pressure container at ordinary times and sprays the fire extinguishing agent in a gas (including steam and aerosol) state as a fire extinguishing medium during fire extinguishing. The high-pressure gas can generate large noise when being sprayed, and is not beneficial to the search and rescue work of search and rescue personnel when being searched and rescued in a fire scene, and the search and rescue efficiency is influenced.
The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a super high pressure stores the decompression nozzle of making an uproar that falls of inert gas fire extinguishing apparatus can be when not reducing the fire extinguishing effect, and the pressure when gaseous fire extinguishing agent sprays is reduced to fire extinguishing agent injection time's prerequisite, reduces the noise when gaseous fire extinguishing agent sprays, is favorable to improving scene of a fire rescue efficiency, and the practicality is strong, is fit for popularizing and applying.
In order to achieve the above object, the utility model provides an ultrahigh pressure stores the decompression nozzle of making an uproar that falls of inert gas fire extinguishing apparatus, a serial communication port, ultrahigh pressure stores the decompression nozzle of making an uproar that falls of inert gas fire extinguishing apparatus and includes: the nozzle comprises a nozzle main body, a nozzle body and a nozzle body, wherein one end of the nozzle main body is open, and the other end of the nozzle main body is closed; the pressure reducing plate is arranged at one end, close to the opening, in the nozzle body, and a pressure reducing hole is formed in the pressure reducing plate along the axial line direction of the nozzle body so as to reduce the pressure of high-pressure gas entering the nozzle body from the opening; and the decelerating plates are arranged in the nozzle body at intervals along the axis direction of the nozzle body, an expansion cavity is formed between the decelerating plates and the two adjacent decelerating plates, a decelerating cavity is formed between the two adjacent decelerating plates, and a plurality of decelerating holes are arranged on the decelerating plates by taking the axis of the nozzle body as a central array so as to decelerate the high-pressure gas guided to the nozzle by the decelerating holes.
In one example, the number and radius of the arrays of the deceleration holes are different for each of the deceleration plates.
In one example, the radius of the deceleration holes of each deceleration plate is different from each other.
In one example, the volume of the deceleration chambers between the respective deceleration plates is different from each other.
In one example, the speed reduction plates are parallel to each other.
Through the utility model provides a decompression nozzle of making an uproar falls of ultrahigh pressure storage inert gas fire extinguishing apparatus can bring following beneficial effect:
1. the multistage expansion speed reduction cavity through setting up pressure reducing plate and speed reducing plate reduces the relative velocity of flow of fire extinguishing agent, can be when not reducing fire control effect, pressure when gaseous fire extinguishing agent sprays is reduced to fire extinguishing agent injection time's prerequisite, and the noise when reducing gaseous fire extinguishing agent sprays is favorable to improving fire scene rescue efficiency, and the practicality is strong, is fit for popularizing and applying.
2. The array quantity and the array radius diverse of the speed reduction hole on each speed reduction board for a plurality of speed reduction boards form multistage inflation speed reduction cavity, reduce the relative velocity of flow of fire extinguishing agent, thereby noise when reducing gaseous fire extinguishing agent and spraying, the practicality is strong.
3. The radius diverse in the speed reduction hole on each speed reduction board can control the relative velocity of flow of fire extinguishing agent, improves the inflation speed reduction effect of fire extinguishing agent, reduces the noise when fire extinguishing agent sprays, and the practicality is strong.
4. The volume diverse in the speed reduction chamber between each speed reduction board to form the drop at a plurality of speed reduction chambeies, improve the inflation speed reduction effect of fire extinguishing agent, noise when reducing the fire extinguishing agent and spouting, the practicality is strong.
5. Being parallel to each other between each speed reduction board, can increasing the bulging force of fire extinguishing agent, improve the inflation speed reduction effect of fire extinguishing agent, noise when reducing the fire extinguishing agent and spraying, the practicality is strong.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
FIG. 1 is a schematic structural view of a noise-reducing and pressure-reducing nozzle of a fire extinguishing apparatus for ultra-high pressure storage of inert gas according to the present invention;
fig. 2 is a sectional view of the noise-reducing and pressure-reducing nozzle of the fire extinguishing equipment for ultrahigh pressure storage of inert gas of the utility model.
In the figure: 1-nozzle body, 11-opening, 12-nozzle, 2-pressure reducing plate, 21-pressure reducing hole, 3-speed reducing plate, 31-expansion cavity, 32-speed reducing cavity and 33-speed reducing hole.
Detailed Description
In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.
As shown in fig. 1-2, an embodiment of the present invention provides a noise-reduction and pressure-reduction nozzle of a fire extinguishing apparatus for storing inert gas under ultrahigh pressure, which includes a nozzle body 1, a pressure-reduction plate 2 and a speed-reduction plate 3. The nozzle body 1 is a pipe body with an opening 11 at one end and a closed end at the other end, a plurality of nozzles 12 are uniformly arranged at intervals along the circumferential direction at the closed end of the nozzle body 1, and the nozzles 12 are communicated with the inside of the nozzle body 1; the pressure reducing plate 2 is arranged at one end of the nozzle body 1 close to the opening 11, and a pressure reducing hole 21 is formed in the pressure reducing plate 2 along the axis direction of the nozzle body 1 so as to reduce the pressure of high-pressure gas entering the nozzle body 1 from the opening 11; the plurality of speed reduction plates 3 are arranged in the nozzle body 1 at intervals along the axial direction of the nozzle body 1, an expansion cavity 31 is formed between each speed reduction plate 3 and the adjacent pressure reduction plate 2, a speed reduction cavity 32 is formed between each two adjacent speed reduction plates 3, and a plurality of speed reduction holes 33 are arranged on each speed reduction plate 3 in an array with the axial line of the nozzle body 1 as the center so as to reduce the speed of the high-pressure gas guided to the nozzle 12 from the pressure reduction holes 21. The multistage expansion speed reduction cavity through setting up pressure reducing plate 2 and speed reducing plate 3 reduces the relative velocity of flow of fire extinguishing agent, can be when not reducing the fire extinguishing effect, pressure when the gaseous fire extinguishing agent sprays is reduced to fire extinguishing agent injection time's prerequisite, and the noise when reducing gaseous fire extinguishing agent and spraying is favorable to improving fire scene rescue efficiency, and the practicality is strong, is fit for popularizing and applying.
In a particular embodiment, the nozzle body 1 is provided with a thread at one end adjacent the opening 11.
Specifically, the number of arrays and the array radius of the deceleration holes 33 on each deceleration plate 3 are different from each other. The array quantity and the array radius diverse of the speed reduction hole 33 on each speed reduction plate 3 for a plurality of speed reduction plates 3 form multistage inflation speed reduction cavity, reduce the relative velocity of flow of fire extinguishing agent, thereby noise when reducing gaseous fire extinguishing agent and spraying, the practicality is strong.
Specifically, the radius of the deceleration holes 33 on each deceleration plate 3 is different from each other. The radius diverse of the speed reduction hole 33 on each speed reduction plate 3 can control the relative velocity of flow of fire extinguishing agent, improves the inflation speed reduction effect of fire extinguishing agent, reduces the noise when fire extinguishing agent sprays, and the practicality is strong.
Specifically, the volumes of the speed reduction chambers 32 are different between the respective speed reduction plates 3. The volume of the speed reducing cavities 32 among the speed reducing plates 3 is different, so that fall is formed among the speed reducing cavities 32, the expansion speed reducing effect of the fire extinguishing agent is improved, the noise generated when the fire extinguishing agent is sprayed is reduced, and the practicability is high.
In one embodiment, the volume of the deceleration chamber 32 corresponds to the number and radius of the array of deceleration holes 33.
Specifically, the respective speed reduction plates 3 are parallel to each other. Being parallel to each other between each speed reduction plate 3, can increasing the bulging force of fire extinguishing agent, improve the inflation deceleration effect of fire extinguishing agent, noise when reducing the fire extinguishing agent and spraying, the practicality is strong.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The utility model provides an ultrahigh pressure stores fire extinguishing equipment's that reduces noise decompression nozzle, its characterized in that, ultrahigh pressure stores fire extinguishing equipment's that reduces noise decompression nozzle includes:
the nozzle comprises a nozzle main body, a nozzle body and a nozzle body, wherein one end of the nozzle main body is open, and the other end of the nozzle main body is closed;
the pressure reducing plate is arranged at one end, close to the opening, in the nozzle body, and a pressure reducing hole is formed in the pressure reducing plate along the axial line direction of the nozzle body so as to reduce the pressure of high-pressure gas entering the nozzle body from the opening; and
the nozzle comprises a nozzle body, a plurality of speed reducing plates, wherein the speed reducing plates are arranged in the nozzle body at intervals in the axis direction of the nozzle body, an expansion cavity is formed between the speed reducing plates and is adjacent to the speed reducing plates, a speed reducing cavity is formed between every two adjacent speed reducing plates, and a plurality of speed reducing holes are formed in the speed reducing plates by taking the axis of the nozzle body as a center array and used for reducing the speed of high-pressure gas guided to the nozzle through the pressure reducing holes.
2. The noise-reducing and pressure-reducing nozzle of an ultrahigh pressure inert gas storage fire extinguishing apparatus according to claim 1, wherein the number of arrays and the radius of arrays of the deceleration holes are different from each other in each of the deceleration plates.
3. The noise-reducing and pressure-reducing nozzle of an ultrahigh pressure inert gas storage fire extinguishing apparatus according to claim 2, wherein the radius of the deceleration holes of each of the deceleration plates is different from each other.
4. The noise-reducing and pressure-reducing nozzle of an ultrahigh pressure inert gas storage fire extinguishing apparatus according to claim 3, wherein the volume of the decelerating chamber is different between the decelerating plates.
5. The noise-reducing and pressure-reducing nozzle of an ultrahigh pressure inert gas storage fire extinguishing apparatus according to claim 4, wherein the respective decelerating plates are parallel to each other.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023259990.0U CN214860793U (en) | 2020-12-28 | 2020-12-28 | Noise-reducing pressure-reducing nozzle of fire extinguishing equipment for ultrahigh-pressure storage of inert gas |
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| CN202023259990.0U CN214860793U (en) | 2020-12-28 | 2020-12-28 | Noise-reducing pressure-reducing nozzle of fire extinguishing equipment for ultrahigh-pressure storage of inert gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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