CN111514496A - Open space suppressor - Google Patents
Open space suppressor Download PDFInfo
- Publication number
- CN111514496A CN111514496A CN202010470143.4A CN202010470143A CN111514496A CN 111514496 A CN111514496 A CN 111514496A CN 202010470143 A CN202010470143 A CN 202010470143A CN 111514496 A CN111514496 A CN 111514496A
- Authority
- CN
- China
- Prior art keywords
- pressure
- storage cavity
- cavity
- pressure storage
- gas generator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007789 gas Substances 0.000 claims abstract description 32
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 6
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 5
- 230000009172 bursting Effects 0.000 claims description 2
- 230000005764 inhibitory process Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000004880 explosion Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0045—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using solid substances, e.g. sand, ashes; using substances forming a crust
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides an open space suppressor, which comprises a high-pressure nitrogen gas cylinder, a pressure storage cavity, a pressure relief cavity, a gas generator, a rupture disk device, a spray head and a control system, wherein the pressure storage cavity is communicated with the pressure relief cavity; the high-pressure nitrogen gas cylinder is pre-punched to 1.0MPa in a pressure storage cavity, so that the action time of a gas production device is reduced, and the pressure storage cavity is pre-loaded with powder inhibiting powder; when the control system outputs voltage to the gas generating device, the interior of the gas generator is ignited to generate high-temperature and high-pressure gas which is emitted into the pressure storage cavity through the plurality of small holes, when the internal pressure of the pressure storage cavity reaches the set pressure value of the rupture disk, the rupture disk is broken, the discharge channel is opened, and the inhibition powder passes through the pressure release cavity and is sprayed out by the spray head in a scattered way.
Description
Technical Field
The invention relates to the technical field of explosion suppression in an open space, in particular to an open space suppressor.
Background
Inflammable and explosive gas and dust are media frequently encountered in chemical industry, petrochemical industry, coal mine, storage and transportation processes, the media are mixed with oxygen with certain concentration and then can be combusted and exploded when meeting an ignition source, explosion accidents of the inflammable gas in a plurality of closed containers and open spaces are formed in this way, and quite remarkable loss is caused, so that explosion prevention and inhibition are always the hot door research subjects in the world, and the current domestic explosion inhibition technology of the open spaces is quite complex due to the influences of environment, geographical position and climate, and a mature technology for inhibiting the explosion of the open spaces does not exist.
Disclosure of Invention
In view of the above technical problem, an open space suppressor is provided.
The technical means adopted by the invention are as follows:
an open space suppressor comprises a pressure relief cavity, wherein the head end of the pressure relief cavity is connected with a spray head, the tail end of the pressure relief cavity is connected with the head end of a pressure storage cavity, a rupture disc is arranged between the pressure relief cavity and the pressure storage cavity, the tail end of the pressure storage cavity is fixedly connected with a fixed flange, a gas generator is arranged in the pressure storage cavity, the fixed end of the gas generator is fixedly connected with the fixed flange, the gas generator is used for igniting the inside of the pressure storage cavity to generate gas for bursting the rupture disc, and the pressure storage cavity is communicated with a high-pressure nitrogen gas cylinder through an air inlet pipeline and a stop valve arranged on the air inlet pipeline; the pressure storage cavity is internally provided with a powder inhibiting layer;
pressure sensor I is installed to the head end of pressure release valve body, just pressure sensor I is connected with control system passing signal line, control system passing signal line with gas generator's input is connected.
And a pressure sensor II is installed in the pressure storage cavity, and the control system is connected with the pressure sensor II through a signal line.
And the high-pressure nitrogen gas cylinder is pre-punched into the pressure storage cavity to 1.0 MPa.
The fixed end of the gas generator is fixed with the fixed flange through threads.
The head end of the nozzle is mushroom-shaped.
In the use state: open in advance the stop valve, to fill into high-pressure nitrogen gas in the pressure storage cavity, make pressure in the pressure storage cavity reaches 1.0MPa, later closes the stop valve, works as when pressure sensor I detected external space pressure anomaly, it gives control system with signal transmission, control system control gas generator work, the inside ignition of gas generator produces high temperature, high-pressure gas, gives off to in the pressure storage cavity by a plurality of apertures, when pressure storage cavity internal pressure reached rupture disc set pressure value, the rupture disc broke, and the suppression powder passes through the pressure release cavity, by the shower nozzle, scatters the blowout.
Compared with the prior art, the invention has the following advantages:
the method can realize millisecond level, complete the inhibition of open space explosion, and has the advantages of sensitive action response, instantaneous speed, accuracy and the like.
Based on the reasons, the explosion suppression device can be widely popularized in the fields of explosion suppression in open space and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an open space suppressor according to an embodiment of the present invention.
FIG. 2 is a schematic diagram of a gas generator according to an embodiment of the present invention.
In the figure: 1. a spray head; 2. a pressure relief cavity; 3. a rupture disc device; 4. a pressure storage cavity; 5. an intake valve; 6. a gas generator; 7. a stop valve; 8. a high pressure nitrogen gas cylinder; 9. a control system; 10. a signal line; 11. an air intake line; 12. a pressure sensor I; 13. and a pressure sensor II.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
As shown in fig. 1-2, an open space suppressor comprises a pressure relief cavity 2, wherein a nozzle 1 is connected to a head end of the pressure relief cavity 2, a tail end of the pressure relief cavity 2 is connected to a head end of a pressure storage cavity 4, a rupture disc 3 is arranged between the pressure relief cavity 2 and the pressure storage cavity 4, the tail end of the pressure storage cavity 4 is fixedly connected to a fixed flange, a gas generator 6 is installed in the pressure storage cavity 4, a fixed end of the gas generator 6 is fixedly connected to the fixed flange, the gas generator 6 is used for igniting and generating gas which breaks the rupture disc 3 in the gas storage cavity 4, and the pressure storage cavity 4 is communicated with a high-pressure nitrogen gas cylinder 8 through an air inlet pipeline 11 and a stop valve 7 arranged on the air inlet pipeline 11; the pressure storage cavity 4 is internally provided with a powder inhibiting layer;
pressure sensor I12 is installed to the head end of pressure release valve body 2, just pressure sensor I12 is connected through signal line 10 with control system 9, control system 9 through signal line 10 with gas generator 6's input is connected.
Install pressure sensor II 13 in the pressure storage cavity 4, control system 9 through signal line 10 with pressure sensor II 13 is connected.
The high-pressure nitrogen gas bottle 8 is punched into the pressure storage cavity 4 in advance to 1.0 MPa.
The fixed end of the gas generator 6 is fixed with the fixed flange through threads.
The head end of the spray head 1 is mushroom-shaped.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. An open space suppressor is characterized by comprising a pressure relief cavity, wherein the head end of the pressure relief cavity is connected with a spray head, the tail end of the pressure relief cavity is connected with the head end of a pressure storage cavity, a rupture disc is arranged between the pressure relief cavity and the pressure storage cavity, the tail end of the pressure storage cavity is fixedly connected with a fixed flange, a gas generator is arranged in the pressure storage cavity, the fixed end of the gas generator is fixedly connected with the fixed flange, the gas generator is used for igniting the inside of the gas storage cavity to generate gas for bursting the rupture disc, and the pressure storage cavity is communicated with a high-pressure nitrogen gas cylinder through an air inlet pipeline and a stop valve arranged on the air inlet pipeline; the pressure storage cavity is internally provided with a powder inhibiting layer;
pressure sensor I is installed to the head end of pressure release valve body, just pressure sensor I is connected with control system passing signal line, control system passing signal line with gas generator's input is connected.
2. The open space suppressor according to claim 1, wherein a pressure sensor ii is installed in the pressure storage chamber, and the control system is connected with the pressure sensor ii through a signal line.
3. An open space suppressor according to claim 1 or 2, wherein the high-pressure nitrogen gas cylinder is previously punched into the pressure storage chamber to 1.0 MPa.
4. An open space suppressor according to claim 1 or 2, wherein the fixed end of the gas generator is screw-fastened to the fixed flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010470143.4A CN111514496A (en) | 2020-05-28 | 2020-05-28 | Open space suppressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010470143.4A CN111514496A (en) | 2020-05-28 | 2020-05-28 | Open space suppressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111514496A true CN111514496A (en) | 2020-08-11 |
Family
ID=71912491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010470143.4A Pending CN111514496A (en) | 2020-05-28 | 2020-05-28 | Open space suppressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111514496A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090956A (en) * | 2021-04-01 | 2021-07-09 | 大连理工大学 | Partitioned active explosion-proof and explosion-suppression device and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201578778U (en) * | 2009-11-06 | 2010-09-15 | 四川威特龙消防设备有限公司 | Gas-producing explosion suppressor |
| CN103055450A (en) * | 2012-12-17 | 2013-04-24 | 东北大学 | Spontaneous explosion suppression device |
| WO2014201527A1 (en) * | 2013-06-21 | 2014-12-24 | Stuvex International Nv | System and method for limiting explosion hazard |
| CN104315935A (en) * | 2014-10-11 | 2015-01-28 | 上海应用技术学院 | Automatic explosion suppressing device applicable to dust explosion in pipeline |
| CN108159602A (en) * | 2017-11-27 | 2018-06-15 | 中国计量大学 | A kind of explosion suppression devices for promoting the datonation-inhibition medium predecomposition of powder |
| CN212593639U (en) * | 2020-05-28 | 2021-02-26 | 大连度达理工安全***有限公司 | Open space suppressor |
-
2020
- 2020-05-28 CN CN202010470143.4A patent/CN111514496A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201578778U (en) * | 2009-11-06 | 2010-09-15 | 四川威特龙消防设备有限公司 | Gas-producing explosion suppressor |
| CN103055450A (en) * | 2012-12-17 | 2013-04-24 | 东北大学 | Spontaneous explosion suppression device |
| WO2014201527A1 (en) * | 2013-06-21 | 2014-12-24 | Stuvex International Nv | System and method for limiting explosion hazard |
| CN104315935A (en) * | 2014-10-11 | 2015-01-28 | 上海应用技术学院 | Automatic explosion suppressing device applicable to dust explosion in pipeline |
| CN108159602A (en) * | 2017-11-27 | 2018-06-15 | 中国计量大学 | A kind of explosion suppression devices for promoting the datonation-inhibition medium predecomposition of powder |
| CN212593639U (en) * | 2020-05-28 | 2021-02-26 | 大连度达理工安全***有限公司 | Open space suppressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090956A (en) * | 2021-04-01 | 2021-07-09 | 大连理工大学 | Partitioned active explosion-proof and explosion-suppression device and control method thereof |
| CN113090956B (en) * | 2021-04-01 | 2022-04-12 | 大连理工大学 | Partitioned active explosion-proof and explosion-suppression device and control method thereof |
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