CN213884822U

CN213884822U - Explosion suppressor

Info

Publication number: CN213884822U
Application number: CN202022617110.6U
Authority: CN
Inventors: 张雄辉; 邱双林; 张纯; 韩善阳
Original assignee: Zhongwu Zhitong Technology Yangzhou Co ltd
Current assignee: Sichuan kunhong Yuanxiang Technology Co.,Ltd.
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-08-06
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses an explosion suppressor, include: a cartridge assembly; the gas generator is arranged inside the cylinder component; the flame-retardant flame sleeve is arranged inside the barrel assembly, and the gas generator is arranged inside the flame-retardant flame sleeve. The utility model provides an among the prior art explosion suppressor jet flame fire-retardant method to explosion suppression time big technical problem.

Description

Explosion suppressor

Technical Field

The utility model relates to a fire control unit technical field especially relates to an explosion suppressor.

Background

In petrochemical production, common ignition sources include maintenance fire, mechanical friction heat, impact spark, electrostatic discharge spark, illegal smoking, and the like, in addition to combustion furnace fire, reaction heat, electric sparks and the like in the production process. The fire sources are common reasons for ignition and explosion of flammable and explosive substances, and the adoption of any mode can quickly and effectively inhibit the fire sources from deflagrating and detonating, which is very important for fire and explosion prevention.

At present, the research of oil and gas explosion suppression technology is very important in all countries in the world. The oil gas explosion suppression technology is generally divided into three types, namely explosion blocking technology, explosion suppression technology and explosion venting technology, and the current combustible oil gas explosion suppression technology is changed from passive pressure relief explosion suppression to active explosion suppression and explosion suppression technology. Compared with safety measures such as explosion venting, explosion suppression and the like, the oil gas explosion suppression can avoid the damage of explosion shock waves to surrounding personnel and construction objects, can also reduce secondary explosion or pollution caused by the emission of toxic gases, unburnt substances, flames and the like into the atmosphere, and is a safer, environment-friendly and effective explosion-proof method. With the continuous expansion of research depth and range, oil and gas explosion suppression technology has made many new breakthroughs, and has important significance for preventing detonation in fire extinguishing of large petrochemical tank areas, gas stations, tunnels and other related places.

The explosion suppressor sprays dry powder agent to extinguish flame in the combustion or explosion propagation process and suppress the propagation of combustion or explosion flame. The explosion suppression device is designed and detected according to the standard: general technical conditions of the automatic powder spraying explosion suppression device for AQ1079-2009 gas pipeline transportation are as follows: the spraying delay time of the explosion suppressor is required to be not more than 15 ms; the spraying efficiency is not less than 80%; the spraying completion time should be not more than 150 ms. In the existing explosion suppressor, the time for spraying the explosion suppressor is not more than 15ms after considering a flame-retardant method, the spraying efficiency is not less than 80%, and the spraying completion time is not more than 150 ms.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an explosion suppressor has solved the technical problem that the flame retardant method of spraying of explosion suppressor influences explosion suppression time greatly among the prior art.

The embodiment of the application discloses explosion suppressor includes:

a cartridge assembly;

a gas generator mounted inside the cartridge assembly;

the flame-retardant flame sleeve is arranged inside the cylinder component, and the gas generator is arranged inside the flame-retardant flame sleeve.

The embodiment of the application is provided with the flame-retardant flame sleeve, limits the length of flame, and can effectively avoid secondary deflagration accidents caused by the flame of the gas generator per se, thereby improving the safety.

On the basis of the technical scheme, the embodiment of the application can be further improved as follows:

further, a plurality of first fire-retardant holes have been seted up to fire-retardant flame sleeve's side, and is adjacent clearance between the first fire-retardant hole forms first gas pocket blind area, first gas pocket blind area with gas generator's side spout is corresponding, and the beneficial effect of adopting this step is that can effectively avoid the secondary detonation accident through the fire-retardant hole of dislocation, does not influence injection time and efficiency simultaneously.

Further, a plurality of second fire-retardant holes have been seted up to fire-retardant flame sleeve's terminal surface, and is adjacent clearance between the fire-retardant hole of second forms second gas pocket blind area, second gas pocket blind area with gas generator's direct injection hole is corresponding, adopts this step's beneficial effect to be so that the flame that reaches explosion suppressor nozzle department can not take place the secondary detonation accident for easily firing explosive occasion.

Furthermore, the pressure relief hole has been seted up at flame retardant flame sleeve's terminal surface middle part, and the beneficial effect who adopts this step is that can guarantee the stability of flame retardant flame sleeve structure itself through the pressure relief hole.

Further, the bottom of the barrel component is provided with a plurality of assembling holes at intervals along the circumferential direction of the barrel component.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

1. the embodiment of the application can eliminate the secondary hazard brought by the flame of the gas generator through the flame-retardant flame sleeve, and effectively improves the safety.

2. The flame-retardant flame sleeve in the embodiment of the application can reduce the occurrence of secondary detonation accidents, can ensure that the spraying lag time of the explosion suppressor is less than 10ms, the spraying efficiency is not less than 90%, the spraying completion time is less than 80ms, and the index is superior to the standard requirement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described 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 an exploded view of an explosion suppressor according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of an explosion suppressor according to an embodiment of the present invention;

reference numerals:

1-a barrel assembly; 2-a gas generator; 3-flame retardant flame sleeve; 4-assembly holes;

301-a first flame retardant hole; 302-a second flame-retardant hole; 303-pressure relief holes; 304-first air hole blind zone; 305-second air hole blind zone.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "upper", "lower", "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; 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.

The explosion suppressor provided by the embodiment of the application solves the technical problem that a flame-spraying flame-retarding method of the explosion suppressor in the prior art has great influence on explosion suppression time.

The general idea of the embodiment of the application is as follows: according to the embodiment of the application, the flame-retardant flame sleeve is additionally arranged, so that the flame at the nozzle of the explosion suppressor can be ensured not to bring secondary explosion accidents to flammable and explosive occasions; but also has less influence on the injection time of the explosion suppressor itself.

In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the detailed description.

Example (b):

as shown in fig. 1-2, the embodiment of the present application discloses an explosion suppressor, comprising:

the cylinder component 1 consists of a cylinder body, an upper support plate and a lower support plate and is used for assembling other components;

the gas generator 2 is arranged inside the cylinder assembly 1, the gas generator 2 in the embodiment of the application is connected with the controller, and the controller analyzes and processes relevant signals for receiving a spark detector, a flame detector and an odor detector and judges the explosion danger level according to different industrial fields; when the gas generator 2 receives a signal, the gas generator is started to quickly generate high-speed gas to push the superfine dry powder explosion suppressant in the explosion suppressor, the gas is sprayed to the nozzle of the embodiment in 10ms, the gas is sprayed to the whole operation surface (the distance is 2m, the area is 1m2) in 30ms, and the spark and the detonation flame of the operation surface are suppressed in 120 ms;

and the flame-retardant flame sleeve 3 is arranged inside the cylinder component 1, and the flame-retardant flame sleeve 3 is internally provided with the gas generator 2. This application embodiment is through setting up fire-retardant flame sleeve 3, eliminates the flame that gas generator self produced, avoids secondary detonation, eliminates the secondary harm that gas generator self flame brought.

Specifically, a plurality of first fire-retardant holes 301 have been seted up to fire-retardant flame sleeve 3's side, and is adjacent first gas hole blind area 304 is formed in clearance between the first fire-retardant hole 301, first gas hole blind area 305 with gas generator 2's side orifice is corresponding, and gas generator 2's side orifice and first gas hole blind area 304 are corresponding in the embodiment of this application, avoid flame directly to pass through, the effectual condition of avoiding secondary deflagration.

Specifically, fire-retardant hole 302 of a plurality of seconds has been seted up to fire-retardant flame sleeve 3's terminal surface, and is adjacent clearance between the fire-retardant hole 302 of second forms second gas pocket blind area 305, second gas pocket blind area 305 with gas generator 2's the direct injection hole is corresponding, and the effect of the fire-retardant hole 302 of same second and first fire-retardant hole 301 is the same, also makes gas generator's flame can not reach explosion suppression ware spout department, can not take place the secondary detonation accident for causing inflammable and explosive occasion.

Specifically, pressure release hole 303 has been seted up at flame retardant flame sleeve 3's terminal surface middle part, and flame retardant flame sleeve 3 is formed by having two accessory equipment, and when using, carries out the pressure release through pressure release hole 303, reduces the impact force, avoids flame retardant flame sleeve 3 to receive the impact after, takes place to separate and damage.

Specifically, the bottom of the cartridge assembly 1 is provided with a plurality of fitting holes 4 at intervals along the circumferential direction thereof.

Compared with the existing explosion suppressor, the flame-retardant flame sleeve is arranged in the barrel component of the explosion suppressor, when flame generated by the injection of the gas generator is blocked by the flame-retardant flame sleeve 3, the length of the flame can be controlled to a certain extent, gas is discharged from the nearby gas hole, and meanwhile, the explosion suppressor in the explosion suppressor can effectively control the flame at the nozzle of the explosion suppressor to avoid secondary explosion accidents caused by the flame of the gas generator in flammable and explosive occasions; the delay on the whole injection time is about 3-5 ms (without the device, the injection time of the nozzle is within 5 ms), and the explosion suppressor can be controlled to inject the explosion suppressor within 10ms by the whole time (the standard requirement is within 15 ms).

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

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 substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. An explosion suppressor, comprising:

a cartridge assembly;

a gas generator mounted inside the cartridge assembly;

2. An explosion suppressor as set forth in claim 1, wherein a plurality of first flame-retardant holes are opened in the side surface of the flame-retardant flame sleeve, and a gap between adjacent first flame-retardant holes forms a first gas hole blind area corresponding to the side jet hole of the gas generator.

3. An explosion suppressor as set forth in claim 1, wherein a plurality of second flame-retardant holes are opened in an end surface of said flame-retardant flame sleeve, and a gap between adjacent second flame-retardant holes forms a second gas hole dead zone corresponding to a direct injection hole of said gas generator.

4. An explosion suppressor as set forth in claim 3, wherein a pressure relief hole is provided in the middle of the end face of said flame-retardant flame sleeve.

5. An explosion suppressor according to any one of claims 1 to 4, wherein the bottom of the cylinder assembly is provided with a plurality of fitting holes at intervals in a circumferential direction thereof.