CN215637225U - Fire arrester matched with waste gas catalytic combustion system - Google Patents

Abstract

The utility model belongs to the technical field of safety devices, and particularly relates to a flame arrester matched with a waste gas catalytic combustion system, which comprises a first main body, a second main body and a third main body formed by enclosing and sealing a plurality of arc-shaped sections, wherein through holes are formed in the first main body, the second main body and the third main body, the third main body is fixedly arranged between the first main body and the second main body, an air outlet of the first main body and an air inlet of the second main body are respectively communicated with an air inlet and an air outlet of the third main body, flame-retardant cores are movably arranged on the inner wall of each arc-shaped section, and the flame-retardant cores are assembled into a cylinder in an enclosing manner. Through the arrangement of the structure, the flame arrester only needs to replace the damaged part of the fire retardant core when being damaged and needing to be maintained in the using process, and the whole fire retardant core does not need to be replaced, so that the aim of saving the resource cost is fulfilled.

Description

Fire arrester matched with waste gas catalytic combustion system

Technical Field

The utility model belongs to the technical field of safety devices, and particularly relates to a flame arrester matched with a waste gas catalytic combustion system.

Background

The flame arrester is a safety device for preventing the flame spread of flammable liquid steam, generally the flame arrester is installed in a pipeline for conveying flammable gas or a ventilated tank, and a device for preventing the flame (deflagration or detonation) from passing through is composed of a flame arrester core, a flame arrester shell and accessories; flame arrestors are also commonly used in pipelines for the transport of flammable gases. Flame arrestors may also be used on pipelines with open fire equipment to prevent backfire accidents. The spark arrester in use need carry out regular inspection and maintenance, places the part and damages and loses fire-retardant efficiency, through setting up drawer type structure among the prior art, only need take the back-fire relief core out when carrying out the change of back-fire relief core, and the back-fire relief core that changes newly is put into, and the structure among the adoption prior art carries out the change of back-fire relief core and has the whole technical problem that causes the wasting of resources of changing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flame arrester matched with a waste gas catalytic combustion system, and aims to solve the technical problem of resource waste caused by replacement of a flame-retardant core in the prior art.

In order to achieve the above object, an embodiment of the utility model provides a flame arrester matched with an exhaust gas catalytic combustion system, which includes a first main body, a second main body and a third main body formed by enclosing a plurality of arc-shaped sections, through holes are formed in the first main body, the second main body and the third main body, the third main body is fixedly installed between the first main body and the second main body, an air outlet of the first main body and an air inlet of the second main body are respectively communicated with an air inlet and an air outlet of the third main body, flame-retardant cores are movably installed on inner walls of the arc-shaped sections, and the flame-retardant cores are enclosed and assembled into a cylinder shape.

Preferably, each back-fire relief core all includes filtering piece and fixed bed, the side of filtering piece is enclosed by two liang of interconnect of arcwall face and two planes and closes and form, two plane mutually perpendicular sets up, two relative edges of arcwall face are connected with two planes respectively and are enclosed and close formation column, the fixed bed covers arcwall face and two the plane.

Preferably, a plurality of fire retardant nets which are parallel to the arc-shaped surface and the two planes respectively are arranged in the filtering piece, the fire retardant nets are arranged in a wavy staggered and overlapped mode, and the wavy lines of the fire retardant nets are arranged in parallel to the arc-shaped surface and the planes.

Preferably, the arc segments are rotatably connected, a locking device is arranged between two arc segments, and two ends of the locking device are fixedly connected with one ends of the two arc segments respectively.

Preferably, the locking device comprises a first fixing piece, a second fixing piece and a locking cap, one end of the first fixing piece and one end of the second fixing piece are respectively fixedly connected with the edges of the outer side surfaces of the two arc-shaped sections, the other end of the first fixing piece and the other end of the second fixing piece are both located in a fixing opening of the locking cap, and the first fixing piece and the second fixing piece are mutually abutted.

Preferably, still include first retainer plate, second retainer plate and a plurality of fixed screw, first retainer plate cover is established on the outer wall of the air outlet end of first main part, the second retainer plate cover is established on the outer wall of the air inlet end of second main part, first retainer plate with all be provided with a plurality of fixed mounting holes and each on the second retainer plate the both ends of fixed screw are equallyd divide and are do not fixed mounting in the fixed mounting hole of first retainer plate with the second retainer plate.

Preferably, an annular third fixing ring is further arranged on the outer wall of the first main body, and the third fixing ring is located at the air inlet end of the first main body.

Preferably, a plurality of air inlet fixing holes are formed in the third fixing ring, and each air inlet fixing hole is formed around the edge of the third fixing ring.

Preferably, an annular fourth fixing ring is further arranged on the outer wall of the second main body, and the fourth fixing ring is located at the air outlet end of the second main body.

Preferably, a plurality of air outlet fixing holes are formed in the fourth fixing ring, and each air outlet fixing hole is arranged around the edge of the fourth fixing ring.

One or more technical schemes in the flame arrester matched with the waste gas catalytic combustion system provided by the embodiment of the utility model have at least one of the following technical effects:

the flame arrester matched with the waste gas catalytic combustion system is formed by assembling a first main body, a second main body and a third main body formed by enclosing and sealing a plurality of arc-shaped sections, wherein fire retardant cores in specific shapes are fixedly installed on the curved inner walls of the arc-shaped sections in assembly, the arc-shaped sections are connected end to be fixedly assembled into the third main body with the fire retardant cores, each fire retardant core is enclosed to form a cylinder, the first main body and the second main body with through holes are fixedly installed at the air inlet end and the air outlet end of the third main body respectively, the first main body and the second main body play a guiding role, gas is guided to achieve a flame-retardant effect through the fire retardant cores of the third main body, only damaged fire retardant core parts need to be replaced when replacement is carried out, and not all replacement is carried out And part of the fire retardant cores are replaced without replacing all the fire retardant cores, so that the aim of saving the resource cost is fulfilled.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is an effect diagram of a flame arrester matched with an exhaust gas catalytic combustion system provided by an embodiment of the utility model.

Fig. 2 is a cross-sectional view of a flame arrestor associated with an exhaust gas catalytic combustion system, according to an embodiment of the present invention.

Fig. 3 is a partially enlarged view of a in fig. 2.

Wherein, in the figures, the respective reference numerals:

10-first body 11-first retainer ring 12-third retainer ring

20-second body 21-second retainer ring 22-fourth retainer ring

30-third body 31-arc section 32-fire retardant core

111-fixing screw 311-locking device 321-filtering piece

322-fixed layer 3111-first fixed part 3112-second fixed part

3113 lock cap 3211 fire-retarding net.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in fig. 1-3, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element 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 embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 3, there is provided a flame arrester for a catalytic combustion system of exhaust gas, including a first main body 10, a second main body 20, and a third main body 30 formed by enclosing a plurality of arc-shaped sections 31, where the multi-section third main body 30 can be installed in an unfolded state, through holes are provided on the first main body 10, the second main body 20, and the third main body 30, and the through holes provided on the first main body 10, the second main body 20, and the third main body 30 are connected together to implement a path for gas to flow through, so as to ensure that all gas passes through the flame arrester, so as to achieve an effective flame-retardant effect, the third main body 30 is fixedly installed between the first main body 10 and the second main body 20, and an air outlet of the first main body 10 and an air inlet of the second main body 20 are respectively communicated with an air inlet and an air outlet of the third main body 30, each equal movable mounting has back-fire relief core 32 on the inner wall of arc section 31, and each back-fire relief core 32 encloses to close and assembles cylindricly, sets up on each arc section 31 inner wall of third main part 30 and can assemble into columniform back-fire relief core 32, ensures that each arc section 31 encloses the cylinder that forms of assembling back-fire relief core 32 and can fill up the through-hole of third main part 30, sets up third main part 30 between first main part 10 and second main part 20 again, through the first gaseous back-fire relief core 32 that passes through of intercommunication between through-hole and the third main part 30 that sets up above first main part 10 and the second main part 20, effectual fire-retardant effect that reaches under back-fire relief core 32's effect.

The flame arrester matched with the waste gas catalytic combustion system is formed by assembling a first main body 10, a second main body 20 and a third main body 30 formed by enclosing and sealing a plurality of arc-shaped sections 31, wherein fire retardant cores 32 with specific shapes are fixedly arranged on the curved inner walls of the arc-shaped sections 31 during assembly, then the arc-shaped sections 31 are fixedly connected end to assemble the third main body 30 with the fire retardant cores 32, so that the fire retardant cores 32 are enclosed to form a cylinder, then the first main body 10 with through holes and the second main body 20 with through holes are respectively and fixedly arranged at the air inlet end and the air outlet end of the third main body 30, the first main body 10 and the second main body 20 play a guiding role, gas is guided to pass through the fire retardant cores 32 of the third main body 30 to achieve a flame retardant effect, only the damaged fire retardant cores 32 need to be replaced during replacement, and all the replacement is not needed, through the arrangement of the structure, the flame arrester only needs to replace the damaged part of the fire retardant core 32 when being damaged and needing to be maintained in the using process, and the whole fire retardant core 32 does not need to be replaced, so that the aim of saving the resource cost is fulfilled.

In another embodiment of the present invention, as shown in fig. 2 to 3, each of the fire retardant cores 32 includes a filter 321 and a fixing layer 322, the side surface of the filter 321 is formed by connecting and enclosing two arc surfaces and two planes, the two planes and the two arc surfaces are connected and enclosed by two to form a sector-shaped column, the sector-shaped columns are assembled into a cylinder to achieve the filling effect on the through hole of the third main body 30, the two planes are perpendicular to each other, so that the included angle between the centers of the sectors of the sector-shaped columns is a right angle, the four sector-shaped columns are assembled into a cylinder, and the right angle is also convenient to assemble, the two opposite edges of the arc surfaces are respectively connected and enclosed with the two planes to form a cylinder, the planes are abutted against each other to assemble a cylinder to ensure that no gap is left between the fire retardant cores 32 after the fire retardant cores 32 are assembled, thereby reducing the fire retardant effect, the fixing layer 322 covers the arc surfaces and the two planes, the fixed layer 322 covers arcwall face and two right angle face settings, fixed layer 322 on the arcwall face and the inner wall fixed connection of each segmental arc 31 on the one hand, and the fixed layer 322 on each plane of on the other hand supports the extrusion each other and reduces the probability that has the space between two back-fire relief cores 32.

In another embodiment of the present invention, as shown in fig. 2 to 3, a plurality of fire-retardant nets 3211 are disposed in the filter element 321, and are parallel to the arc-shaped surface and the two planes, a plurality of through holes are disposed on the fire-retardant nets 3211 for dispersing air flow and improving flame-retardant effect, and each fire-retardant net 3211 is arranged in a staggered and overlapping manner in a wavy manner, each fire-retardant net 3211 is staggered and overlapped to divide the space into a plurality of paths, so as to achieve a shunting effect, the wave lines of each fire-retardant net 3211 are disposed parallel to the arc-shaped surface and each plane, and the wave lines are disposed parallel to the arc-shaped surface and the plane, so as to ensure that the shunted gas path flows along the through hole path.

In another embodiment of the present invention, as shown in fig. 2 to 3, the arc segments 31 are rotatably connected to each other, a rotating connector is disposed at an end of each arc segment 31, each rotating connector is rotatably connected to the other end of each arc segment 31, each arc segment 31 forms a rotatable closed loop, a locking device 311 is disposed between two arc segments 31 for opening a side wall of the rotatable third main body 30, two ends of the locking device 311 are fixedly connected to one ends of two arc segments 31, and two ends of the locking device 311 are fixedly connected to one ends of two arc segments 31, so that two ends of the locking device 311 after being closed can abut against each other, thereby achieving a better locking effect.

In another embodiment of the present invention, as shown in fig. 1 to 2, the locking device 311 includes a first fixing member 3111, a second fixing member 3112 and a locking cap 3113, one end of the first fixing member 3111 and one end of the second fixing member 3112 are respectively fixedly connected to the outer side surface edges of two of the arc-shaped segments 31, the other ends of the first fixing member 3111 and the second fixing member 3112 are both located in a fixing opening of the locking cap 3113, the locking cap 3113 tightly fixes the first fixing member 3111 and the second fixing member 3112 together, and the first fixing member 3111 and the second fixing member 3112 are placed apart to achieve the effect of connecting and fixing the arc-shaped segments 31, and the first fixing member 3111 and the second fixing member 3112 are disposed in abutment with each other, and two side surfaces of the first fixing member 3111 and the second fixing member 3112 are closely attached together, thereby effectively reducing a gap between the two arc-shaped segments 31.

In another embodiment of the present invention, as shown in fig. 1-2, the present invention further includes a first fixing ring 11, a second fixing ring 21, and a plurality of fixing screws 111, wherein the first fixing ring 11 and the second fixing ring 21 are disposed oppositely, and the first fixing ring 11 and the second fixing ring 21 have the same size, the first fixing ring 11 is disposed on the outer wall of the air outlet end of the first main body 10, the second fixing ring 21 is disposed on the outer wall of the air inlet end of the second main body 20, the first fixing ring 11 and the second fixing ring 21 are both provided with a plurality of fixing holes, two ends of each fixing screw 111 are respectively fixedly mounted in the fixing holes of the first fixing ring 11 and the second fixing ring 21, two ends of each fixing screw 111 are fixedly connected with the first fixing ring 11 and the second fixing ring 21, the fixing screws 111 are locked to tighten the distance between the first fixing ring 11 and the second fixing ring 21, the first body 10 and the second body 20 are driven to press the third body 30 by the pulling of the first fixing ring 11 and the second fixing ring 21, and the occurrence probability of the gap at the connection position between the third body 30 and both the first body 10 and the second body 20 is reduced to achieve the sealed state.

In another embodiment of the present invention, as shown in fig. 1, an annular third fixing ring 12 is further disposed on an outer wall of the first body 10, and the third fixing ring 12 is located at an air inlet end of the first body 10, and the third fixing ring 12 is integrally formed with the first body 10, so that the connection stability between the third fixing ring 12 and the first body 10 is ensured, and the risk of falling off due to non-integral forming is effectively avoided.

In another embodiment of the present invention, as shown in fig. 1, a plurality of air inlet fixing holes are formed in the third fixing ring 12, and each air inlet fixing hole is disposed around an edge of the third fixing ring 12, and the air inlet fixing hole disposed around the edge of the third fixing ring 12 is matched with a pipe connector, so that a sealed connection between the air inlet end of the first body 10 and the pipe is achieved, and leakage at the connection position is prevented.

In another embodiment of the present invention, as shown in fig. 1, an annular fourth fixing ring 22 is further disposed on an outer wall of the second body 20, the fourth fixing ring 22 is located at an air outlet end of the second body 20, and the fourth fixing ring 22 is integrally formed with the second body 20, so that the connection stability between the fourth fixing ring 22 and the second body 20 is ensured, and a risk of falling off due to non-integral forming is effectively avoided.

In another embodiment of the present invention, as shown in fig. 1, a plurality of air outlet fixing holes are formed in the fourth fixing ring 22, and each of the air outlet fixing holes is disposed around an edge of the fourth fixing ring 22, and the air outlet fixing holes disposed around the edge of the fourth fixing ring 22 are matched with a pipeline connector, so as to achieve a sealed connection between an air outlet end of the second body 20 and a pipeline, and prevent a leakage at a connection position.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a supporting spark arrester of waste gas catalytic combustion system which characterized in that: including first main part, second main part and have a plurality of arc section to enclose the third main part of closing airtight formation, first main part the second main part with all be provided with the through-hole in the third main part, third main part fixed mounting in first main part with between the second main part, just the gas outlet of first main part with the air inlet of second main part respectively with the air inlet and the gas outlet intercommunication of third main part, each equal movable mounting has the back-fire relief core on the inner wall of arc section, and each the back-fire relief core encloses to close and assembles into cylindricly.

2. A flame arrestor as defined in claim 1 in combination with an exhaust gas catalytic combustion system, wherein: each the back-fire relief core all includes and filters piece and fixed bed, the side of filtering the piece is enclosed by two liang of interconnect in arcwall face and two planes and closes and form two plane mutually perpendicular sets up, two relative edges of arcwall face are connected with two planes respectively and are enclosed and close formation column, the fixed bed covers arcwall face and two the plane.

3. A flame arrestor as defined in claim 2 in combination with a catalytic exhaust combustion system, wherein: and a plurality of fire retarding nets which are parallel to the arc-shaped surface and the two planes respectively are arranged in the filtering piece, the fire retarding nets are arranged in a wavy staggered and superposed manner, and the wavy lines of the fire retarding nets are parallel to the arc-shaped surface and the planes respectively.

4. A flame arrestor as defined in claim 1 in combination with an exhaust gas catalytic combustion system, wherein: each arc-shaped section is rotatably connected, a locking device is arranged between two arc-shaped sections, and two ends of each locking device are fixedly connected with one end of each arc-shaped section.

5. The flame arrestor of claim 4, wherein the flame arrestor is configured to provide a flame arrestor for an exhaust gas catalytic combustion system: locking device includes first mounting, second mounting and lock cap, first mounting with the one end of second mounting respectively with two of them the lateral surface edge fixed connection of segmental arc, first mounting with the other end of second mounting all is located in the fixed opening of lock cap, just first mounting with the mutual butt setting of second mounting.

6. A flame arrestor as defined in claim 1 in combination with an exhaust gas catalytic combustion system, wherein: still include first retainer plate, second retainer plate and a plurality of fixed screw, first retainer plate cover is established on the outer wall of the air outlet end of first main part, the second retainer plate cover is established on the outer wall of the air inlet end of second main part, first retainer plate with all be provided with a plurality of fixed mounting holes and each on the second retainer plate equal divide respectively fixed mounting in the both ends of fixed screw first retainer plate with in the fixed mounting hole of second retainer plate.

7. The matched flame arrester of the exhaust gas catalytic combustion system as claimed in any one of claims 1 to 6, wherein: the outer wall of the first main body is further provided with an annular third fixing ring, and the third fixing ring is located at the air inlet end of the first main body.

8. A flame arrestor as defined in claim 7 in combination with an exhaust gas catalytic combustion system, wherein: a plurality of air inlet fixing holes are formed in the third fixing ring, and the air inlet fixing holes are formed in the edge of the third fixing ring in a surrounding mode.

9. The matched flame arrester of the exhaust gas catalytic combustion system as claimed in any one of claims 1 to 6, wherein: an annular fourth fixing ring is further arranged on the outer wall of the second main body and located at the air outlet end of the second main body.

10. A flame arrestor as defined in claim 9 in combination with a catalytic exhaust combustion system, wherein: a plurality of air outlet fixing holes are formed in the fourth fixing ring, and the air outlet fixing holes are arranged around the edge of the fourth fixing ring.

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