CN212593639U

CN212593639U - Open space suppressor

Info

Publication number: CN212593639U
Application number: CN202020936296.9U
Authority: CN
Inventors: 宋辰; 徐忠慧; 喻健良; 张兴和; 姜一昌; 李岳; 徐义浩; 许文斌
Original assignee: Dalian Duda Technology Safety System Co ltd
Current assignee: Dalian Duda Technology Safety System Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-02-26
Anticipated expiration: 2030-05-28

Abstract

The utility model 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; 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 control system output voltage gave the gas production device, the inside ignition of gas generator produced high temperature, high-pressure gas, by a plurality of apertures give off to in the pressure storage cavity, when pressure storage cavity internal pressure reached rupture disc set pressure value, the rupture disc broke, and the passageway of releasing was opened, and the suppression powder passes through the pressure release cavity, by the blowout of shower nozzle scattering all around, the utility model discloses realize the open space millisecond level, to the suppression of explosion, have advantages such as action response sensitivity, instantaneous speed, accuracy.

Description

Open space suppressor

Technical Field

The utility model relates to an explosion-suppressing technical field in open space particularly is an open space inhibitor.

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.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problem, an open space suppressor is provided.

The utility model discloses a technical means 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 utility model has the advantages of it is following:

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 above reason the utility model discloses can be in fields such as the space of opening explosion-suppression extensively promote.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are 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 inventive labor.

Fig. 1 is a schematic structural view of an open space suppressor according to an embodiment of the present invention.

Fig. 2 is a schematic structural view 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, in the present invention, 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 accompanying drawings in conjunction with embodiments.

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 accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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 example embodiments in accordance with 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.

Unless specifically stated 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. 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 should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed 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 if not stated otherwise, the terms have no special meaning, 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; although the present invention has been described in detail with reference to the foregoing embodiments, it should 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; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

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 in 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 cavity, 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.