CN112691475B - Exhaust gas engineering reforms transform and uses filtering duct with waste gas detection backward flow function - Google Patents
Exhaust gas engineering reforms transform and uses filtering duct with waste gas detection backward flow function Download PDFInfo
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- CN112691475B CN112691475B CN202011180965.5A CN202011180965A CN112691475B CN 112691475 B CN112691475 B CN 112691475B CN 202011180965 A CN202011180965 A CN 202011180965A CN 112691475 B CN112691475 B CN 112691475B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
Abstract
The invention discloses a filtering pipeline with an exhaust gas detection backflow function for exhaust gas engineering transformation, which relates to the technical field of exhaust gas engineering and comprises a pipeline main body, a filtering mechanism and a backflow detection mechanism, wherein one side of the pipeline main body is connected with a secondary pipeline through a first connecting flange, two sides of the interior of the secondary pipeline are respectively provided with an active carbon filtering layer, the lower side of the secondary pipeline is connected with a bent pipe main body through a second connecting flange, the filtering mechanism is arranged on one side of the interior of the pipeline main body, a fixed connecting pipe is integrally connected with the lower part of the middle part of the bent pipe main body, and an installation cover is arranged below the fixed connecting pipe. The invention has the beneficial effects that: the device is provided with filtering mechanism, can filter the smoke and dust in the waste gas through the pipeline main part through the setting of filter screen, and the filter screen is the slope column structure simultaneously and makes the smoke and dust can concentrate to slope one side under the effect of gravity to can avoid the smoke and dust to cover the condition that causes the jam to influence the flue gas circulation on the filter screen surface.
Description
Technical Field
The invention relates to the technical field of waste gas engineering, in particular to a filtering pipeline with a waste gas detection backflow function for waste gas engineering transformation.
Background
The waste gas refers to toxic and harmful gas discharged by human in the production and living process. Especially chemical plants, steel plants, pharmaceutical plants, coking plants and oil refineries, etc., the discharged waste gas has large odor, seriously pollutes the environment and affects the human health. Therefore, the exhaust engineering is needed to modify the exhaust, and a pipeline is needed to guide and convey the exhaust in the flowing process of the exhaust, so that an exhaust filtering pipeline is needed.
Present waste gas is filtering duct structure for engineering is comparatively simple, does not possess protective structure, does not have thermal-insulated function moreover, and it is inconvenient to dismantle and assemble, can not detect the condition of waste gas backward flow moreover, and functional not enough for this reason, we provide a filtering duct for engineering of waste gas with waste gas detection backward flow function.
Disclosure of Invention
The invention aims to provide a filtering pipeline for waste gas engineering improvement with a waste gas backflow detection function, and aims to solve the problems that the existing filtering pipeline for waste gas engineering improvement, which is provided in the background art, is simple in structure, does not have a protection structure, does not have a heat insulation function, is inconvenient to disassemble and assemble, cannot detect the waste gas backflow condition, and is insufficient in functionality.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a waste gas is filtration pipeline for engineering with waste gas detection backward flow function, includes pipeline main part, filtering mechanism and backward flow detection mechanism, one side of pipeline main part is connected with two through first flange and connects the pipeline, and two inside both sides that connect the pipeline all are provided with the active carbon filter layer, two downside that connect the pipeline have the return bend main part through second flange connection, filtering mechanism installs in inside one side of pipeline main part, the middle part below integration of return bend main part is connected with fixed takeover, and installs the installation lid in the below of fixed takeover, backward flow detection mechanism installs in the middle part top of installation lid, the below external fixation of installation lid has fixed frame, and the outside of fixed frame is provided with protective glass, the inside middle embedded display screen that has of fixed frame.
Preferably, the pipeline main body comprises an outer pipe body, a hollow heat insulation layer, an inner pipe body, a fixed connecting rod and a protective convex strip, the inner side of the outer pipe body is provided with the hollow heat insulation layer, the inner side of the hollow heat insulation layer is provided with the inner pipe body, the fixed connecting rod is connected between the outer pipe body and the inner pipe body, and the protective convex strip is fixed outside the outer pipe body.
Preferably, the symmetry centers of the outer pipe and the inner pipe are overlapped, and the outer pipe and the inner pipe form an integrated structure through a fixed connecting rod.
Preferably, the section of protection sand grip is arc protruding column structure, and is symmetrical form evenly distributed about the axis of outer body between the protection sand grip.
Preferably, the filtering mechanism comprises a filtering frame, a fixing bolt, a filtering net, a clamping block and a clamping groove, the filtering frame is installed on one side in the pipeline main body, the upper side and the lower side of the filtering frame are connected with the inner wall of the pipeline main body through the fixing bolt, the filtering net is fixed in the filtering frame, the clamping block is fixed on the outer wall of the filtering frame, and the clamping groove is formed in the inner wall of the pipeline main body.
Preferably, the filter frame passes through and constitutes the block structure between fixture block and draw-in groove and the pipeline main part, and fixture block and draw-in groove are symmetrical about the axis of pipeline main part, and the section of the inside filter screen of filter frame is the slope column structure moreover.
Preferably, the two sides of the interior of the two-connection pipeline are symmetrically distributed with activated carbon filter layers, and the two-connection pipeline is respectively connected with the pipeline main body and the elbow main body through the first connecting flange and the second connecting flange.
Preferably, the backflow detection mechanism comprises a connecting rod, an installation frame, a rotating shaft, rotating fan blades and a steering angle sensor, the connecting rod is fixed above the middle of the inner side of the installation cover, the installation frame is fixed above the connecting rod, the rotating shaft is arranged above the installation frame in the installation frame, the rotating shaft is movably connected with the installation frame, the rotating fan blades are fixed on the outer side of the upper portion of the rotating shaft, and the steering angle sensor is arranged on the outer side of the lower portion of the rotating shaft.
Preferably, the size of the mounting frame is matched with the inner size of the elbow main body, the mounting frame and the mounting cover form an integrated structure through the connecting rod, and the mounting cover and the fixed connecting pipe are rotatably mounted.
Preferably, the mounting frame is of a hollow structure, the symmetric center of the mounting frame coincides with the symmetric center of the rotating shaft, and three groups of rotating fan blades are arranged on the outer side of the rotating shaft at equal intervals.
The invention provides a filtering pipeline with a waste gas detection backflow function for waste gas engineering reconstruction, which has the following beneficial effects:
1. the pipeline is provided with the pipeline main body, the double-layer pipeline of the outer pipe body and the inner pipe body is arranged to facilitate the enhancement of the structural strength of the pipeline main body, the symmetrically arranged fixed connecting rods facilitate the connection of the outer pipe body and the inner pipe body into a whole, the hollow heat insulation layer between the outer pipe body and the inner pipe body has a heat insulation effect, the condition that the pipeline is excessively hot when waste gas with overhigh temperature passes through the pipeline is avoided, the protection convex strips in the arc-shaped convex structure are symmetrically and uniformly distributed on the outer side of the outer pipe body to flexibly protect the outer part of the outer pipe body, and the condition that the outer part of the outer pipe body is collided to cause breakage is avoided.
2. The two-joint pipeline is provided, the activated carbon filter layers arranged on two sides inside the two-joint pipeline are convenient for filtering passing waste gas, the first connecting flange is convenient for mounting and dismounting the two-joint pipeline and the pipeline main body, and the second connecting flange is convenient for mounting and dismounting the two-joint pipeline and the elbow main body, so that the pipeline main body and the elbow main body are convenient and fast to assemble.
3. The invention is provided with the filtering mechanism, the clamping connection between the filtering frame and the pipeline main body is convenient to realize through the mutual matching between the clamping block and the clamping groove, the connection and installation between the filtering frame and the pipeline main body are convenient to realize through the fixing bolt, the structure is convenient for the disassembly of the filter frame, the arrangement of the filter screen can filter the smoke dust in the waste gas passing through the pipeline main body, meanwhile, the filter screen is of an inclined structure, so that smoke dust can be concentrated to the inclined side under the action of gravity, thereby avoiding the condition that smoke dust covers the surface of the filter screen to cause blockage and influence the circulation of the smoke gas, the arrangement of the filter screen can filter the smoke dust in the waste gas passing through the pipeline main body, meanwhile, the filter screen is of an inclined structure, so that smoke dust can be concentrated to the inclined side under the action of gravity, and the situation that the smoke dust covers the surface of the filter screen to cause blockage to influence the circulation of smoke gas can be avoided.
4. The invention is provided with the mounting cover, the mounting cover can be screwed and mounted below the fixed connecting pipe, and the rotary joint between the mounting cover and the fixed connecting pipe is in a sealing structure, so that the connecting rod and the mounting frame fixed above the middle part of the mounting cover can enter the fixed connecting pipe and the bent pipe main body, the size of the mounting frame is matched with the size of the bent pipe main body, the mounting frame is convenient to be arranged inside the bent pipe main body, and the detection and the use of a backflow detection mechanism are convenient.
5. The waste gas backflow detection device is provided with the backflow detection mechanism, the mounting frame in the hollow structure is convenient for waste gas flow to pass through, the rotating shaft and the mounting frame are movably connected, so that the rotating fan blades can be driven (the rotating shaft is driven to rotate) when the waste gas flow passes through, the steering angle sensor can detect the steering of the rotating shaft, whether waste gas backflow occurs or not can be judged conveniently, and the detection result of the steering angle sensor can be displayed conveniently through the arrangement of the display screen in the external fixing frame below the mounting cover.
Drawings
FIG. 1 is a schematic front view of an internal structure of a filtering duct for exhaust gas engineering having an exhaust gas recirculation detecting function according to the present invention;
FIG. 2 is a schematic diagram of a front view of a main body of a filtering pipe for exhaust gas engineering with an exhaust gas backflow detecting function according to the present invention;
FIG. 3 is a schematic sectional view of a main body of a pipeline A of a filtering pipeline for exhaust gas engineering with an exhaust gas backflow detecting function according to the present invention;
FIG. 4 is an enlarged schematic structural view of a two-way pipe of a filtering pipe for exhaust gas engineering with an exhaust gas backflow detecting function according to the present invention;
FIG. 5 shows a filtering pipe for exhaust gas engineering with exhaust gas backflow detection according to the present invention
The enlarged structure of the part A in FIG. 1 is shown;
fig. 6 is a schematic view of the internal structure of the fixing frame of the filtering pipe for exhaust gas engineering with the exhaust gas backflow detecting function according to the present invention.
In the figure: 1. a pipe body; 101. an outer tubular body; 102. a hollow thermal insulation layer; 103. an inner tube body; 104. fixing the connecting rod; 105. a protective convex strip; 2. a filtering mechanism; 201. a filter frame; 202. fixing the bolt; 203. a filter screen; 204. a clamping block; 205. a card slot; 3. a first connecting flange; 4. connecting the pipeline twice; 5. an active carbon filter layer; 6. a second connecting flange; 7. a bend pipe main body; 8. fixing the connecting pipe; 9. installing a cover; 10. a backflow detection mechanism; 1001. a connecting rod; 1002. installing a frame; 1003. a rotating shaft; 1004. rotating the fan blades; 1005. a steering angle sensor; 11. a fixing frame; 12. protective glass; 13. a display screen.
Detailed Description
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. 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.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, the present invention provides a technical solution: a filtering pipeline with a waste gas detection backflow function for waste gas engineering transformation comprises a pipeline main body 1, an outer pipe body 101, a hollow heat insulation layer 102, an inner pipe body 103, a fixed connecting rod 104, a protective convex strip 105, a filtering mechanism 2, a filtering frame 201, a fixing bolt 202, a filtering net 203, a clamping block 204, a clamping groove 205, a first connecting flange 3, a second connecting pipeline 4, an active carbon filtering layer 5, a second connecting flange 6, a bent pipe main body 7, a fixed connecting pipe 8, a mounting cover 9, a backflow detection mechanism 10, a connecting rod 1001, a mounting frame 1002, a rotating shaft 1003, a rotating fan blade 1004, a steering angle sensor 1005, a fixed frame 11, protective glass 12 and a display screen 13, wherein one side of the wrapped pipeline main body 1 is connected with the second connecting pipeline 4 through the first connecting flange 3, the active carbon filtering layer 5 is arranged on two sides of the inside of the two connecting pipeline 4, the pipeline main body 1 comprises the outer pipe body 101, the hollow heat insulation layer 102, the outer pipe body 101, the hollow heat insulation layer 103, the inner pipe body 103, the fixed connecting rod main body 104, the fixed connecting pipe body 8, the mounting cover, the mounting frame 1002, the mounting cover 9, the mounting cover, and the mounting cover, and the mounting cover, and the mounting cover, wherein the mounting cover, and the mounting cover, and, The inner pipe body 103, the fixed connecting rod 104 and the protection convex strip 105, the inner side of the outer pipe body 101 is provided with the hollow heat insulation layer 102, the inner side of the hollow heat insulation layer 102 is provided with the inner pipe body 103, the fixed connecting rod 104 is connected between the outer pipe body 101 and the inner pipe body 103, the protection convex strip 105 is fixed on the outer part of the outer pipe body 101, the symmetrical centers of the outer pipe body 101 and the inner pipe body 103 are superposed, the outer pipe body 101 and the inner pipe body 103 form an integrated structure through the fixed connecting rod 104, the double-layer pipeline of the outer pipe body 101 and the inner pipe body 103 is arranged to facilitate the enhancement of the structural strength of the pipeline body 1, the symmetrically arranged fixed connecting rod 104 facilitates the connection of the outer pipe body 101 and the inner pipe body 103 into a whole, the hollow heat insulation layer 102 between the outer pipe body 101 and the inner pipe body 103 has the function of heat insulation, the condition that the pipeline is overheated when the waste gas with overhigh temperature passes through is avoided, the section of the protection convex strip 105 is in an arc-shaped structure, the protection convex strips 105 are symmetrically and uniformly distributed around the central axis of the outer pipe body 101, and the protection convex strips 105 in the arc-shaped convex structure are symmetrically and uniformly distributed on the outer side of the outer pipe body 101 to flexibly protect the outer part of the outer pipe body 101, so that the outer part of the outer pipe body 101 is prevented from being broken due to collision;
the lower side of the second connecting pipeline 4 is connected with a bent main body 7 through a second connecting flange 6, two sides of the interior of the second connecting pipeline 4 are symmetrically distributed with activated carbon filter layers 5, the second connecting pipeline 4 is respectively connected with the pipeline main body 1 and the bent main body 7 through a first connecting flange 3 and a second connecting flange 6, the activated carbon filter layers 5 arranged at two sides of the interior of the second connecting pipeline 4 are convenient for filtering passing waste gas, the installation and the disassembly between the second connecting pipeline 4 and the pipeline main body 1 are convenient to realize through the first connecting flange 3, the installation and the disassembly between the second connecting pipeline 4 and the bent main body 7 are convenient to realize through the second connecting flange 6, the pipeline main body 1 and the bent main body 7 are convenient to assemble, the filtering mechanism 2 is installed at one side of the interior of the pipeline main body 1, the filtering mechanism 2 comprises a filtering frame 201, a fixing bolt 202, a filtering net 203, a clamping block 204 and a clamping groove 205, a filter frame 201 is installed on one side inside the pipeline main body 1, the upper side and the lower side of the filter frame 201 are connected with the inner wall of the pipeline main body 1 through fixing bolts 202, a filter screen 203 is fixed inside the filter frame 201, a clamping block 204 is fixed on the outer wall of the filter frame 201, a clamping groove 205 is arranged on the inner wall of the pipeline main body 1, the filter frame 201 and the pipeline main body 1 form a clamping structure through the clamping block 204 and the clamping groove 205, the clamping block 204 and the clamping groove 205 are symmetrical about the central axis of the pipeline main body 1, the cross section of the filter screen 203 inside the filter frame 201 is of an inclined structure, the clamping connection between the filter frame 201 and the pipeline main body 1 is conveniently realized through the mutual matching between the clamping block 204 and the clamping groove 205, the connection and installation between the filter frame 201 and the pipeline main body 1 are conveniently realized through the fixing bolts 202, the structure is convenient for the disassembly of the filter frame 201, the filter screen 203 can filter smoke dust in the exhaust gas passing through the pipeline main body 1, meanwhile, the filter screen 203 is in an inclined structure, so that smoke dust can be concentrated to an inclined side under the action of gravity, and the situation that smoke dust covers the surface of the filter screen 203 to cause blockage and influence smoke gas circulation can be avoided;
a fixed connecting pipe 8 is integrally connected to the lower part of the middle part of the elbow main body 7, a mounting cover 9 is mounted below the fixed connecting pipe 8, a backflow detection mechanism 10 is mounted above the middle part of the mounting cover 9, the backflow detection mechanism 10 comprises a connecting rod 1001, a mounting frame 1002, a rotating shaft 1003, a rotating fan blade 1004 and a steering angle sensor 1005, the connecting rod 1001 is fixed above the middle part of the inner side of the mounting cover 9, the mounting frame 1002 is fixed above the connecting rod 1001, the rotating shaft 1003 is arranged in the middle and above the mounting frame 1002, the rotating shaft 1003 is movably connected with the mounting frame 1002, the rotating fan blade 1004 is fixed on the outer side of the upper part of the rotating shaft 1003, the steering angle sensor 1005 is arranged on the outer side of the lower part of the rotating shaft 1003, the size of the mounting frame 1002 is matched with the inner size of the elbow main body 7, and the mounting frame 1002 and the mounting cover 9 form an integrated structure through the connecting rod 1001, the mounting cover 9 and the fixed connecting pipe 8 are rotatably mounted, the mounting cover 9 can be rotatably mounted below the fixed connecting pipe 8, so that the connecting rod 1001 and the mounting frame 1002 fixed above the middle part of the mounting cover 9 can enter the fixed connecting pipe 8 and the elbow main body 7, the mounting frame 1002 is matched with the inner size of the elbow main body 7 so as to be convenient for arranging the mounting frame 1002 inside the elbow main body 7, and therefore the backflow detection mechanism 10 can be conveniently detected and used, the mounting frame 1002 is of a hollow structure, the symmetry center of the mounting frame 1002 is overlapped with the symmetry center of the rotating shaft 1003, three groups of rotating fan blades 1004 are equidistantly arranged outside the rotating shaft 1003, the mounting frame 1002 of the hollow structure is convenient for passing of exhaust gas flow, the rotating shaft 1003 and the mounting frame 1002 are movably connected, so that the rotating fan blades 1004 can be driven to rotate the rotating shaft 1003 when the exhaust gas flow passes through, thereby make turn to angle sensor 1005 can detect the turning to of rotation axis 1003 to whether the condition of judging the waste gas backward flow to appear, the below outside of installation lid 9 is fixed with fixed frame 11, and the outside of fixed frame 11 is provided with cover glass 12, and the inside centre of fixed frame 11 is embedded to have display screen 13.
To sum up, this exhaust gas engineering reforms transform and uses filter tube with exhaust gas detection backward flow function, in use, at first can install filtering mechanism 2 to the inside one side of pipeline main part 1, can realize the block connection between filter frame 201 and the pipeline main part 1 through mutually supporting between fixture block 204 and draw-in groove 205 during the installation, the connection installation between filter frame 201 pipeline main part 1 is realized through fixing bolt 202, then realize the installation and the dismantlement between two connect the pipeline 4 and the pipeline main part 1 through first flange 3, and realize the installation and the dismantlement between two connect the pipeline 4 and the return bend main part 7 through second flange 6, make pipeline main part 1 and return bend main part 7 assemble, then connect the installation lid 9 soon and install to the below of fixed takeover 8, make the swivelling joint department between installation lid 9 and the fixed takeover 8 be seal structure, thereby make connecting rod 1001 and the installation frame 1002 that the top was fixed in the middle part of installation lid 9 can enter into fixed takeover 8 and return bend 8 The inside of the tube main body 7;
then in the using process, the flue gas firstly passes through the pipeline main body 1, at this time, the filter screen 203 can filter the smoke dust in the waste gas passing through the pipeline main body 1, meanwhile, the filter screen 203 is in an inclined structure, so that the smoke dust can be concentrated to one inclined side under the action of gravity, thereby avoiding the situation that the smoke dust covers the surface of the filter screen 203 to block and influence the circulation of the flue gas, then, the activated carbon filter layers 5 arranged at two sides in the two connecting pipelines 4 can filter the passing waste gas, then the waste gas enters the bent pipe main body 7, at this time, the mounting frame 1002 in a hollow structure is convenient for the passing of the waste gas flow, the rotating shaft 1003 and the mounting frame 1002 are movably connected, so that the rotating fan blades 1004 can be driven to rotate the rotating shaft 1003 when the waste gas flow, thereby the steering angle 1005 sensor can detect the steering of the rotating shaft 1003, so as to judge whether the waste gas backflow occurs or not, finally, the detection result of the steering angle sensor 1005 is displayed through the arrangement of the display screen 13 in the external fixing frame 11 below the mounting cover 9, so that the whole using process of the filtering pipeline with the waste gas detection backflow function for waste gas engineering is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. The utility model provides a waste gas engineering reforms transform and uses filtering duct with waste gas detection backward flow function, includes pipeline main part (1), filtering mechanism (2) and backward flow detection mechanism (10), its characterized in that: one side of the pipeline main body (1) is connected with two connecting pipelines (4) through a first connecting flange (3), two inner two sides of each connecting pipeline (4) are provided with an activated carbon filter layer (5), the lower side of each connecting pipeline (4) is connected with a bent pipe main body (7) through a second connecting flange (6), the filtering mechanism (2) is installed on one side of the inner part of the pipeline main body (1), a fixed connecting pipe (8) is integrally connected with the lower part of the middle part of the bent pipe main body (7), an installation cover (9) is installed below the fixed connecting pipe (8), a backflow detection mechanism (10) is installed above the middle part of the installation cover (9), a fixed frame (11) is fixed on the outer part of the lower part of the installation cover (9), protective glass (12) is arranged on the outer side of the fixed frame (11), a display screen (13) is embedded in the middle of the inner part of the fixed frame (11), the backflow detection mechanism (10) comprises a connecting rod (1001), a mounting frame (1002), a rotating shaft (1003), rotating fan blades (1004) and a steering angle sensor (1005), wherein the connecting rod (1001) is fixed above the middle of the inner side of the mounting cover (9), the mounting frame (1002) is fixed above the connecting rod (1001), the rotating shaft (1003) is arranged in the mounting frame (1002), the rotating shaft (1003) is movably connected with the mounting frame (1002), the rotating fan blades (1004) are fixed on the outer side of the upper portion of the rotating shaft (1003), and the steering angle sensor (1005) is arranged on the outer side of the lower portion of the rotating shaft (1003).
2. The exhaust gas engineering filter pipe with the exhaust gas recirculation detection function according to claim 1, wherein: the pipeline main body (1) comprises an outer pipe body (101), a hollow heat insulation layer (102), an inner pipe body (103), a fixed connecting rod (104) and a protection convex strip (105), wherein the hollow heat insulation layer (102) is arranged on the inner side of the outer pipe body (101), the inner pipe body (103) is arranged on the inner side of the hollow heat insulation layer (102), the fixed connecting rod (104) is connected between the outer pipe body (101) and the inner pipe body (103), and the protection convex strip (105) is fixed on the outer part of the outer pipe body (101).
3. The exhaust gas engineering filter pipe with the exhaust gas recirculation detection function according to claim 2, wherein: the symmetry centers of the outer pipe body (101) and the inner pipe body (103) are overlapped, and the outer pipe body (101) and the inner pipe body (103) form an integrated structure through a fixed connecting rod (104).
4. The exhaust gas engineering filter pipe with the exhaust gas recirculation detection function according to claim 2, wherein: the section of each protective convex strip (105) is of an arc-shaped convex structure, and the protective convex strips (105) are symmetrically and uniformly distributed about the central axis of the outer pipe body (101).
5. The exhaust gas engineering filter pipe with the exhaust gas recirculation detection function according to claim 1, wherein: filtering mechanism (2) is including filtering frame (201), fixing bolt (202), filter screen (203), fixture block (204) and draw-in groove (205), filter frame (201) is installed to inside one side of pipeline main part (1), and filters the upper and lower both sides of frame (201) and link through fixing bolt (202) and the inner wall of pipeline main part (1), the inside of filtering frame (201) is fixed with filter screen (203), and the outer wall of filtering frame (201) is fixed with fixture block (204), the inner wall of pipeline main part (1) is provided with draw-in groove (205).
6. The exhaust gas engineering filter pipe with the exhaust gas recirculation detection function according to claim 5, wherein: the filter frame (201) is clamped with the pipeline main body (1) through a clamping block (204), a clamping groove (205) and a clamping structure, the clamping block (204) and the clamping groove (205) are symmetrical about the central axis of the pipeline main body (1), and the section of a filter screen (203) in the filter frame (201) is of an inclined structure.
7. The exhaust gas engineering filter pipe with the exhaust gas recirculation detection function according to claim 1, wherein: the two-joint pipeline (4) is characterized in that activated carbon filter layers (5) are symmetrically distributed on two sides of the interior of the two-joint pipeline (4), and the two-joint pipeline (4) is connected with a pipeline main body (1) and a bent pipe main body (7) through a first connecting flange (3) and a second connecting flange (6) respectively.
8. The exhaust gas engineering filter pipe with the exhaust gas recirculation detection function according to claim 1, wherein: the size of the mounting frame (1002) is matched with the inner size of the elbow main body (7), the mounting frame (1002) forms an integrated structure with the mounting cover (9) through the connecting rod (1001), and the mounting cover (9) and the fixed connecting pipe (8) are rotatably mounted.
9. The exhaust gas engineering filter pipe with the exhaust gas recirculation detection function according to claim 1, wherein: the mounting frame (1002) is of a hollow structure, the symmetric center of the mounting frame (1002) is overlapped with the symmetric center of the rotating shaft (1003), and three groups of rotating fan blades (1004) are arranged on the outer side of the rotating shaft (1003) at equal intervals.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011180965.5A CN112691475B (en) | 2020-10-29 | 2020-10-29 | Exhaust gas engineering reforms transform and uses filtering duct with waste gas detection backward flow function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011180965.5A CN112691475B (en) | 2020-10-29 | 2020-10-29 | Exhaust gas engineering reforms transform and uses filtering duct with waste gas detection backward flow function |
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| CN104792681B (en) * | 2015-04-10 | 2017-05-10 | 山东大学 | Device for detecting and comparing performance of filters as well as detection method |
| CN107803071B (en) * | 2016-09-09 | 2020-01-17 | 中微半导体设备(上海)股份有限公司 | Exhaust system and device and method for preventing dust particles from flowing back |
| CN111821834A (en) * | 2020-08-11 | 2020-10-27 | 苏州仕净环保科技股份有限公司 | Industrial waste gas circulation integral type processing apparatus |
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