CN218474814U - Pipeline liquid detonation flame arrester - Google Patents
Pipeline liquid detonation flame arrester Download PDFInfo
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- CN218474814U CN218474814U CN202222404678.9U CN202222404678U CN218474814U CN 218474814 U CN218474814 U CN 218474814U CN 202222404678 U CN202222404678 U CN 202222404678U CN 218474814 U CN218474814 U CN 218474814U
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Abstract
The utility model provides a pipeline liquid detonation flame arrester, including detonation suppressor, fire-retardant component assembly, pipeline outer wall and pipeline inner wall, the detonation suppressor is arranged at one end of the pipeline outer wall, the fire-retardant component assembly is arranged below the detonation suppressor, the fire-retardant component assembly is arranged at one end of the pipeline inner wall, a gap is left between the other end of the pipeline inner wall and the other end of the pipeline outer wall, the pipeline outer wall comprises a liquid inlet and a liquid outlet, the liquid inlet is communicated with the pipeline inner wall, the pipeline inner wall is arranged at the inner side of the pipeline outer wall; the outer wall of the pipeline is connected with the inner wall of the pipeline through a fixing rib. The utility model discloses simple structure has solved the demand that the explosion of liquid pipeline steam restrained, and the design of vertical back-fire relief component assembly helps the spark arrester can reduce the condensation and the crystallization of unsaturated steam and remain in the back-fire relief component. The blocking risk caused by adhesion and crystallization can be effectively reduced.
Description
Technical Field
The utility model relates to a spark arrester technical field, in particular to pipeline liquid detonation spark arrester.
Background
Liquid detonation flame arrestors are safety devices used to prevent the spread of flame inside a conduit due to external or internal sources of fire from vapors produced by the evaporation of flammable liquids. Is installed in a pipeline for conveying combustible liquid. Currently liquid flame arresters are all liquid-tight forms, acting as flame-extinguishing barriers by the liquid itself. The use of medium has certain limitation, and the steam can only flow in one direction.
SUMMERY OF THE UTILITY MODEL
The object of the utility model is to solve at least one of the technical defects.
Therefore, an object of the present invention is to provide a liquid detonation flame arrester for pipelines, which solves the problems mentioned in the background art and overcomes the deficiencies existing in the prior art.
In order to achieve the purpose, the utility model provides a pipeline liquid detonation flame arrester, including detonation suppressor, back-fire relief component assembly, pipeline outer wall and pipeline inner wall, the detonation suppressor is established in the one end of pipeline outer wall, the below of detonation suppressor is equipped with back-fire relief component assembly, back-fire relief component assembly is established in the one end of pipeline inner wall, the other end of pipeline inner wall and the other end of pipeline outer wall leave the clearance, the pipeline outer wall includes inlet and liquid outlet, the inlet communicates with the pipeline inner wall, the pipeline inner wall is established in the inboard of pipeline outer wall; the outer wall of the pipeline is connected with the inner wall of the pipeline through a fixing rib.
Preferably, the detonation suppressor is provided with an input hole on the side surface and an output hole on the bottom surface.
In any of the foregoing aspects, it is preferred that the flame retardant element assembly comprises a first flame retardant element grid, a first flame retardant element, a spacer screen, a second flame retardant element grid, a flame retardant element housing; the bottom of the detonation suppressor is provided with a first fire retardant element grid, a first fire retardant element is arranged below the first fire retardant element grid, a spacer screen is arranged below the first fire retardant element, a second fire retardant element is arranged below the spacer screen, a second fire retardant element grid is arranged below the second fire retardant element, the first fire retardant element grid, the spacer screen, the second fire retardant element grid and the second fire retardant element grid are respectively arranged in a fire retardant element shell, and the fire retardant element shell is arranged in a pipeline.
In any of the above aspects, it is preferred that there is further included a stud extending through the center of the first fire stopping element grid, the first fire stopping element, the spacer screen, the second fire stopping element, and the second fire stopping element grid for securement.
In any of the above aspects, it is preferable that the detonation suppressor is provided with a hexagonal plug.
Compared with the prior art, the utility model has the advantages and beneficial effects do:
1. the utility model discloses a pipeline liquid detonation spark arrester is equipped with pipeline outer wall and pipeline inner wall, forms the expansion chamber between pipeline outer wall and the pipeline inner wall, and in the pipeline implosion flame got into the expansion chamber, it all attenuated explosion energy through detonation inhibitor to get into expansion chamber flame explosion pressure and flame speed, and high-speed flame was alleviated to rethread back-fire relief component assembly, and the back-fire relief is efficient, safety more.
2. The utility model discloses a pipeline liquid detonation spark arrester, simple structure, the design of vertical back-fire relief component assembly helps the collection after the condensation of the unsaturated steam in the spark arrester. Liquid adhesion and crystallization can be effectively reduced. The utility model discloses, can make the two-way circulation of steam not restricted by the installation direction, easy to assemble more.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic explosion diagram of a pipeline liquid detonation flame arrester according to an embodiment of the invention.
Fig. 2 is a front cross-sectional view of a liquid detonation flame arrester for a pipeline according to an embodiment of the invention.
Fig. 3 is a partially enlarged schematic view of a liquid detonation flame arrester for a pipeline according to an embodiment of the invention, as shown in fig. 2.
Fig. 4 is a schematic structural view of a pipeline liquid detonation flame arrestor, as shown in fig. 1, in accordance with an embodiment of the invention.
FIG. 5 is a schematic view of a first flame retardant element grid construction as shown in FIG. 1 of a liquid detonation flame arrestor for a pipeline in accordance with an embodiment of the invention.
FIG. 6 is a schematic illustration of a flame retardant element housing as shown in FIG. 1 of a liquid detonation flame arrestor for a pipeline in accordance with an embodiment of the invention.
Fig. 7 is a top view of the outer wall and the inner wall of the pipeline of the liquid detonation flame arrester according to the embodiment of the present invention.
Wherein: 1-detonation suppressor; 2-the outer wall of the pipeline; 3-inner wall of the pipeline; 4-fixing the rib; 5-an input aperture; 6-an output hole; 7-a first fire stopping element grid; 8-a first fire retarding element; 9-spacer mesh; 10-a second fire barrier element; 11-a second fire stopping element grid; 12-a firestop element housing; 13-a stud; 14-hexagonal plug; 15-a fire retardant element assembly; 16-a liquid inlet; 17-liquid outlet.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
As shown in fig. 1 to 7, the utility model discloses a pipeline liquid detonation flame arrester of embodiment, including detonation suppressor 1, back-fire relief component assembly 15, pipeline outer wall 2 and pipe inner wall 3, detonation suppressor 1 establishes the one end at pipeline outer wall 2, detonation suppressor 1's below is equipped with back-fire relief component assembly 15, back-fire relief component assembly 15 establishes the one end at pipe inner wall 3, the other end of pipe inner wall 3 leaves the clearance with the other end of pipeline outer wall 2, pipe outer wall 2 includes inlet 16 and liquid outlet 17, inlet 16 and pipe inner wall 3 intercommunication, pipe inner wall 3 establishes the inboard at pipeline outer wall 2, pipe outer wall 2 is connected through fixed muscle 4 with pipe inner wall 3.
Further, an input hole 5 is formed in the side surface of the detonation suppressor 1, and an output hole 6 is formed in the bottom surface of the detonation suppressor 1.
The side wall of the detonation suppressor 1 is provided with an input hole 5, the side wall of the detonation suppressor 1 is provided with two input holes 5, the two input holes 5 are respectively positioned on the side wall of the detonation suppressor 1, and the bottom of the detonation suppressor 1 is provided with an output hole 6. The detonation suppressor 1 is arranged at one end of the inner wall 3 of the pipeline, the other end of the outer wall 2 of the pipeline is closed, a liquid inlet 16 and a liquid outlet 17 are respectively arranged on the side surface of the pipeline, when the detonation suppressor 1 is arranged on the pipeline, a certain gap is reserved between the side wall of the detonation suppressor 1 and the outer wall of the pipeline, two input holes 5 are respectively arranged on the side wall of the detonation suppressor 1 for flame and shock waves to flow, an output hole 6 is arranged at the bottom of the detonation suppressor 1 for flame and shock waves to flow, the flame and the shock waves enter from the input holes 5 of the side wall and then are output to a flame retardant element assembly 15 from the output hole 6 at the bottom, the flame retardant element assembly 15 buffers and disperses the flame and the shock waves so as to effectively suppress the flame and the shock waves, the first flame retardant element and the second flame retardant element 10 are made of a fireproof solid material with a plurality of tiny channels or gaps, so that after the flame enters the flame and the flame are divided into a plurality of tiny flame flow by the flame retardant element, and the flame flow is cooled by the flame retardant element due to the effect of heat transfer (gas and the effect of quenching and the flame flow. The spacer 9 is a net structure made of a fireproof fixing material. First back-fire relief element grid 7, first back-fire relief element 8, spacer screen 9, second back-fire relief element 10, second back-fire relief element grid 10 all adopt fire prevention solid material to make to played the dispersed effect of buffering to flame and shock wave respectively, second back-fire relief element 10 grid is established in the bottom of back-fire relief element casing 12. Pipeline outer wall 2's one end is the opening, the opening cooperation of bombing suppressor and pipeline outer wall 2 one end is connected, pipeline outer wall 2's the other end is for sealing, pipeline inner wall 3's one end is the opening, back-fire relief component assembly 15 is connected with pipeline inner wall 3's one end cooperation, bombing suppressor delivery outlet 6 cooperatees with back-fire relief component assembly 15, pipeline inner wall 3's the other end is the opening, pipeline inner wall 3's the other end leaves the clearance with pipeline outer wall 2's the other end, in order to supply liquid to flow, pipeline inner wall 3 communicates with pipeline outer wall 2's inlet 16, inlet 16 is in order to supply liquid to flow in, liquid outlet 17 is in order to supply liquid to flow out. One end of the inner wall 3 of the pipeline is connected with one end of the outer wall 2 of the pipeline through a plurality of fixing ribs 4, and the other end of the inner wall 3 of the pipeline is connected with the other end of the outer wall 2 of the pipeline through the fixing ribs 4.
The utility model discloses a pipeline liquid detonation spark arrester, through detonation inhibitor 1 with explosion energy attenuation, high-speed flame is alleviated to rethread back-fire relief component assembly 15, and the back-fire relief is efficient, safety more.
The fire retardant element assembly 15 comprises a first fire retardant element grid 7, a first fire retardant element 8, a spacer screen 9, a second fire retardant element 10, a second fire retardant element grid 10, a fire retardant element housing 12; the detonation suppressor 1 bottom is equipped with first back-fire relief component grid 7, and first back-fire relief component grid 7 below is equipped with first back-fire relief component 8, and first back-fire relief component 8 below is equipped with the interval net 9, and interval net 9 below is equipped with second back-fire relief component 10, and second back-fire relief component 10 below is equipped with second back-fire relief component grid 10, and first back-fire relief component grid 7, first back-fire relief component 8, interval net 9, second back-fire relief component 10, second back-fire relief component grid 10 establish respectively in back-fire relief component casing 12, and back-fire relief component casing 12 is established in the pipeline.
Further, a stud 13 is included, the stud 13 extending through the center of the first flame retardant element grid 7, the first flame retardant element 8, the spacer screen 9, the second flame retardant element 10, and the second flame retardant element grid 10 for attachment. The both ends of double-screw bolt 13 are equipped with the nut respectively, and the nut of the one end of double-screw bolt 13 is used for fixed first back-fire relief component grid, installs the gasket between first back-fire relief component grid and the nut, and the nut of the other end of double-screw bolt 13 is used for fixed second back-fire relief component 10 grid, installs the gasket between second back-fire relief component 10 grid and the nut.
In particular, a retaining ring is provided on the interior of the conduit to retain the firestop element housing 12. A gap is left between the fixing circle and the inner wall 3 of the pipe for the flame and shock waves to flow from the gap into the detonation suppressor 1.
Further, the detonation suppressor 1 is fixed at one end of the pipeline by bolts.
Further, the detonation suppressor 1 is provided with a hexagonal plug 14. The hexagonal plug 14 is used for releasing the pressure in the pipeline when workers overhaul conveniently, and the internal pressure and the external pressure are balanced conveniently.
The utility model discloses pipeline liquid detonation spark arrester theory of operation: liquid will get into from the flange of one side inlet of pipeline outer wall in normal work, and the bottom of pipeline inner wall is the opening, and liquid will fill the space in the pipeline until parallel with the liquid outlet flange reference surface of pipeline outer wall to flow out through the liquid outlet on the pipeline outer wall. When the liquid material in the pipeline stops being canned, the liquid in the pipeline can be evaporated to form combustible steam. When the flammable vapors mix with air to reach the explosion limit, if there is also significant ignition energy in the tunnel. Combustible vapor, combustion improver (oxygen) and effective ignition energy. The liquid pipeline will explode, the explosion is accompanied with high-speed flame and compressed steam shock wave after combustion expansion, impact towards the direction of the flame arrester and enter the flame arrester from a side flange, one end of the flame and the shock wave is extinguished in the liquid of the soak solution, the other end of the flame and the shock wave passes through a gap formed between the inner wall of the pipeline and the outer wall of the pipeline, namely, the expansion chamber circulates, and then impact towards the detonation suppressor, firstly input through an input hole of the detonation suppressor, the explosion energy is attenuated, the high-speed flame is relieved, output from an output hole of the detonation suppressor, finally, the flame and the shock waves respectively enter a fire-retardant element assembly, and are extinguished in the fire-retardant element assembly.
The utility model discloses a pipeline liquid detonation spark arrester design adopts the siphon principle, and wherein the liquid product can regard as the protective screen of flame propagation. When a highly accelerated pipe explosion or explosion occurs, the detonation suppressor will reduce the combustion pressure and flame propagation velocity to a large extent and convert it to a low energy flame, and the remaining flame will then stop in the bath and the fire barrier element.
The detonation flame in the pipeline enters the expansion chamber through direction conversion, and the explosion pressure and the flame speed of the flame entering the expansion chamber are attenuated by the energy and the speed of the detonation suppressor. The attenuated weak energy flame will pass through the first fire retardant element 8 and the second fire retardant element, etc. again, the flame passing through the fire retardant elements will be divided again, and temperature replacement is carried out to make the flame reach below the ignition point and extinguish in the fire retardant element assembly. The longitudinal design of the elements in the fire retardant element assembly can effectively avoid the problem of a surge in pressure drop across the flame arrestor due to the accumulation of condensed liquid from the transverse fire retardant elements during use. The modular design can carry out spare part change and maintenance with high efficiency.
The utility model discloses a pipeline liquid detonation spark arrester has following advantage:
1. the liquid pipeline detonation flame arrester is newly designed.
2. A pipeline detonation flame suppressor is innovatively designed. The number of fire retardant elements can be effectively reduced.
3. Is suitable for all flammable liquids, and has wide application range.
4. The modular design facilitates efficient inspection and maintenance.
5. The design of the flame retardant element assembly helps the flame arrestor not be plagued by the condensation of unsaturated vapors. Liquid adhesion and crystallization can be effectively reduced.
The utility model discloses simple structure, the back-fire relief is efficient, and the security is high.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily 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.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the invention, and that those skilled in the art may make variations, modifications, substitutions and alterations herein without departing from the spirit and scope of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The pipeline liquid detonation flame arrester is characterized by comprising a detonation suppressor, a flame retardant element assembly, a pipeline outer wall and a pipeline inner wall, wherein the detonation suppressor is arranged at one end of the pipeline outer wall; the outer wall of the pipeline is connected with the inner wall of the pipeline through a fixing rib.
2. The pipeline liquid detonation flame arrestor of claim 1, wherein the detonation suppressor has an input hole formed in a side surface thereof and an output hole formed in a bottom surface thereof.
3. A pipeline liquid detonation flame arrestor as defined in claim 1, wherein the flame retardant element assembly includes a first flame retardant element grid, a first flame retardant element, a spacer screen, a second flame retardant element grid, a flame retardant element housing; detonation suppressor bottom is equipped with first back-fire relief component grid, first back-fire relief component grid below is equipped with first back-fire relief component, first back-fire relief component below is equipped with the interval net, interval net below is equipped with second back-fire relief component, second back-fire relief component below is equipped with second back-fire relief component grid, first back-fire relief component grid first back-fire relief component the interval net second back-fire relief component grid is established respectively in the back-fire relief component casing, back-fire relief component casing is established in the pipeline.
4. A ducted liquid detonation flame arrestor as defined in claim 3, further comprising a stud extending through the center of the first flame retardant element grid, the first flame retardant element, the spacer screen, the second flame retardant element grid for securement.
5. The pipeline liquid detonation flame arrestor of claim 1, wherein the detonation suppressor is provided with a hexagonal plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222404678.9U CN218474814U (en) | 2022-09-09 | 2022-09-09 | Pipeline liquid detonation flame arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222404678.9U CN218474814U (en) | 2022-09-09 | 2022-09-09 | Pipeline liquid detonation flame arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218474814U true CN218474814U (en) | 2023-02-14 |
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ID=85166872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222404678.9U Active CN218474814U (en) | 2022-09-09 | 2022-09-09 | Pipeline liquid detonation flame arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218474814U (en) |
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2022
- 2022-09-09 CN CN202222404678.9U patent/CN218474814U/en active Active
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