Anti-blocking device for baffle plate of flue gas duct of petrochemical tubular heating furnace

Abstract

The utility model discloses a petrochemical tubular heating furnace flue gas duct baffle anti-blocking device, which comprises a main body, the front end and the rear end of the main body are respectively provided with a flue inlet duct and a flue outlet duct, the inner side of the flue inlet duct is fixedly provided with a guide plate, and the joint of the inner side of the flue outlet duct and the flue inlet duct is rotatably connected with an adjusting shaft through a rotating shaft in a penetrating manner; the outer side end of the adjusting shaft penetrates through the smoke outlet flue and is fixedly provided with a swing rod, the lower end of the swing rod is rotationally connected with an electric telescopic rod through a rotating shaft, and the rear end of the electric telescopic rod is rotationally connected with a supporting column through a rotating shaft. A baffle groove used for blocking the inner side of the smoke inlet channel is fixedly formed in the outer curved surface of the middle of the adjusting shaft, a driving motor is fixedly installed at the upper end of the outer side of the baffle groove, and a transmission shaft part at the front end of the driving motor penetrates through the upper end of the outer side of the baffle groove and is fixedly provided with a first bevel gear. The flue gas volume of the flue gas duct of the heating furnace can be conveniently adjusted, and meanwhile the condition that the guide plate is blocked is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of petrochemical tubular heating furnace flue baffle anti -blocking device. BACKGROUND

[0002] The tubular heating furnace is a process heating furnace, and its core function is to transmit high-temperature furnace gas or electric current into the pipe to heat the heating element in the pipe, and then to heat the material to be heated. In the field of petroleum refining and petrochemical industry, the tubular heating furnace is mainly used for heating the oil flowing in the furnace tube to reach the temperature required by the process operation, so as to provide the heat required for the processing process such as fractionation, cracking or reaction of crude oil or oil.

[0003] In the petrochemical industry, the tubular heating furnace is an important heating equipment, which is widely used in the process of petroleum refining, petrochemical industry, etc. However, the flue baffle of the tubular heating furnace is often blocked due to the accumulation of flue gas and dust during long-term operation, which not only affects the normal operation of the heating furnace, but also may cause safety accidents. Therefore, it is of great significance to design a petrochemical tubular heating furnace flue baffle anti-blocking device to improve the operation efficiency and safety of the heating furnace. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a petrochemical tubular heating furnace flue baffle anti-blocking device to solve the problem of blocking of the flue baffle of the tubular heating furnace due to the accumulation of flue gas and dust during long-term operation, which not only affects the normal operation of the heating furnace, but also may cause safety accidents.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a main body is provided, the front and rear ends of the main body are respectively provided with an inlet flue and an outlet flue, a guide plate is fixedly installed inside the inlet flue, an adjusting shaft is rotatably connected through a rotating shaft at the connection between the outlet flue inside and the inlet flue, a swing rod is fixedly installed outside the end of the adjusting shaft through the outlet flue, an electric telescopic rod is rotatably connected through a rotating shaft at the lower end of the swing rod, and a supporting column is rotatably connected through a rotating shaft at the rear end of the electric telescopic rod.

[0006] The outer curved surface of the middle part of the adjusting shaft is fixedly provided with a baffle groove for blocking the inside of the smoke inlet channel, the outer upper end of the baffle groove is fixedly provided with a driving motor, the front end transmission shaft of the driving motor penetrates through the outer upper end of the baffle groove and is fixedly provided with a first bevel gear, the front end upper side of the first bevel gear is engagedly connected with a second bevel gear, the middle part of the second bevel gear penetrates through and is fixedly provided with an adjusting screw rod, the upper end of the adjusting screw rod is threadedly connected with a moving block, the side end of the moving block is rotatably connected with a cleaning roller for cleaning the deflector and the baffle groove through a rotating shaft, the side end of the cleaning roller away from the moving block is rotatably connected with a limiting block through a rotating shaft, the middle part of the limiting block penetrates through and is movably connected with a limiting slide rod, the outer curved surfaces on both sides of the cleaning roller are fixedly provided with transmission gears, the inner sides of the transmission gears are engagedly connected with transmission racks, and the bottoms of the smoke inlet channel and the smoke outlet channel are respectively penetrated and hingedly provided with cleaning openings.

[0007] Preferably, the front connecting flange is fixedly arranged at the opening of the smoke inlet channel, the rear connecting flange is fixedly arranged at the opening of the smoke outlet channel, and the outer periphery of the front connecting flange and the outer periphery of the rear connecting flange are respectively penetrated and provided with mounting holes.

[0008] Preferably, the end face of the deflector is penetrated and provided with air holes, and the inner side of the supporting column is fixedly arranged on the outer side wall of the smoke inlet channel.

[0009] Preferably, the cleaning roller is made of high-temperature-resistant material, and the limiting slide rod is fixedly arranged at the upper end and the lower end of the inner side of the baffle groove.

[0010] Preferably, the number of transmission gears is two, and the transmission gears are symmetrically distributed on the outer curved surfaces on both sides of the cleaning roller.

[0011] Preferably, the transmission racks are fixedly arranged on the inner end face of the baffle groove.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] When the electric telescopic rod is controlled to be opened and stretched out or drawn in, the electric telescopic rod drives the lower end of the swing rod to swing, the swing rod drives the adjusting shaft to rotate and adjust when the lower end of the swing rod swings, the adjusting shaft drives the baffle groove to swing when the adjusting shaft rotates and adjusts, and the smoke flow size of the smoke inlet channel into the smoke outlet channel can be adjusted by swinging when the baffle groove swings.

[0014] The utility model discloses simultaneously still when baffle groove swing closes in flue, through the control opening drive motor, when drive motor opens, will drive first bevel gear to rotate, when first bevel gear rotates, will mesh drive second bevel gear to rotate, when second bevel gear rotates, will in turn drive cleaning roller up and down movement, when cleaning roller up and down movement, will drive limit block along the limit slide bar outer surface up and down linear movement, thereby through limit block cooperation limit slide bar, play the linear limit of cleaning roller up and down movement, when cleaning roller up and down linear movement, will drive transmission gear up and down linear movement, when transmission gear up and down linear movement, through the force that the meshing connection between transmission gear inside and transmission rack produces will drive cleaning roller to rotate, when cleaning roller up and down linear movement rotates simultaneously, can rotate the dust particle of the area that gathers in the inner end of guide vane and baffle groove to clean, and through opening cleaning mouth can conveniently collect and handle the dust particle that falls after cleaning roller rotates and cleans, thereby realize the situation that avoids guide vane blockage. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic diagram of the utility model petrochemical tubular heating furnace flue baffle anti - jam device Figure One ;

[0016] Figure 2 It is a whole structure schematic diagram of the utility model petrochemical tubular heating furnace flue baffle anti - jam device Figure Two ;

[0017] Figure 3 It is a whole structure cross section schematic diagram of the utility model petrochemical tubular heating furnace flue baffle anti - jam device Figure One ;

[0018] Figure 4 It is a whole structure cross section schematic diagram of the utility model petrochemical tubular heating furnace flue baffle anti - jam device Figure Two .

[0019] In the drawing: 1, main body;2, flue inlet;3, flue outlet;4, front connecting flange;5, rear connecting flange;6, guide vane;7, adjusting shaft;8, swing rod;9, electric telescopic rod;10, support column;11, baffle groove;12, drive motor;13, first bevel gear;14, second bevel gear;15, adjusting screw;16, moving block;17, cleaning roller;18, limit block;19, limit slide rod;20, transmission gear;21, transmission rack;22, cleaning mouth. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0021] Please refer to Figures 1-4 The utility model provides a kind of petrochemical tubular heating furnace smoke flue baffle anti-blocking device technical scheme: including main body 1, main body 1 front and rear end is respectively provided with inlet flue 2 and outlet flue 3, inlet flue 2 opening is fixedly installed and is provided with front connecting flange 4, outlet flue 3 opening is fixedly installed and is provided with rear connecting flange 5, and the outer periphery of front connecting flange 4 and rear connecting flange 5 is respectively penetrated and is provided with mounting hole, so that front connecting flange 4 and rear connecting flange 5 are respectively communicated with heating furnace smoke flue by mounting hole cooperation mounting bolt.

[0022] Inlet flue 2 inner side is fixedly installed and is provided with guide vane 6, and the end surface of guide vane 6 is penetrated and is provided with air hole, outlet flue 3 inner side is rotatably connected with the connecting portion of inlet flue 2 by pivot and is provided with adjusting shaft 7, and the outer side end of adjusting shaft 7 is penetrated and is fixedly installed and is provided with swing rod 8 in outlet flue 3, swing rod 8 lower end is rotatably connected with electric telescopic rod 9 by pivot, electric telescopic rod 9 rear end is rotatably connected with support column 10 by pivot, and support column 10 inner side is fixedly installed and is provided in inlet flue 2 outer side wall, adjusting shaft 7 middle part outer curve is fixedly installed and is provided with baffle groove 11 for blocking the inner side of inlet flue 2, baffle groove 11 outer side upper end is fixedly installed and is provided with driving motor 12, driving motor 12 front end transmission shaft part is penetrated and is fixedly installed and is provided with first bevel gear 13 in baffle groove 11 outer side upper end, first bevel gear 13 front end upper side is meshingly connected with second bevel gear 14, second bevel gear 14 middle part is penetrated and is fixedly installed and is provided with adjusting screw rod 15, adjusting screw rod 15 upper end outer curve is threadedly connected with moving block 16, moving block 16 side end is rotatably connected with cleaning roller 17 for cleaning guide vane 6 and baffle groove 11 by pivot, and cleaning roller 17 is made of high-temperature-resistant material, the top end of cleaning roller 17 far from moving block 16 side is rotatably connected with limit block 18 by pivot, limit block 18 middle part is penetrated and is movably connected with limit slide rod 19, and limit slide rod 19 upper and lower ends are fixedly installed and are provided in baffle groove 11 inner side upper and lower ends, cleaning roller 17 both sides outer curve is fixedly installed and is provided with transmission gear 20, and transmission gear 20 number is two, and is distributed symmetrically with cleaning roller 17 both sides outer curve, transmission gear 20 inner side is meshingly connected with transmission rack 21, and transmission rack 21 is fixedly installed and is provided in baffle groove 11 inner end face, inlet flue 2 and outlet flue 3 bottom are respectively penetrated and are hingedly installed with cleaning port 22.

[0023] Working principle: in use, when the utility model is controlled to open the electric telescopic rod 9 to stretch out and retract, the electric telescopic rod 9 will drive the lower end of the swing rod 8 to swing, when the lower end of the swing rod 8 swings, it will drive the adjusting shaft 7 to rotate and adjust, when the adjusting shaft 7 rotates and adjusts, it will drive the baffle groove 11 to swing, when the baffle groove 11 swings, the smoke and wind size entering the smoke flue 2 into the smoke flue 3 can be adjusted, so that the smoke and wind size of the heating furnace smoke flue can be conveniently adjusted by controlling the electric telescopic rod 9 to open.

[0024] At the same time, when the baffle groove 11 swings to close the smoke flue 2, the driving motor 12 is controlled to open, when the driving motor 12 is opened, it will drive the first bevel gear 13 to rotate, when the first bevel gear 13 rotates, it will mesh to drive the second bevel gear 14 to rotate, when the second bevel gear 14 rotates, it will drive the adjusting screw rod 15 to rotate, when the adjusting screw rod 15 rotates, it will drive the moving block 16 to move up and down due to the action force generated by the outer curved surface screw thread connection between the adjusting screw rod 15 and the upper end of the moving block 16, when the moving block 16 moves up and down, it will drive the cleaning roller 17 to move up and down, when the cleaning roller 17 moves up and down, it will drive the limiting block 18 to move up and down along the outer curved surface of the limiting slide rod 19, so that the limiting block 18 cooperates with the limiting slide rod 19 to play a linear limiting role of the cleaning roller 17 moving up and down, when the cleaning roller 17 moves up and down linearly, it will drive the transmission gear 20 to move up and down linearly, when the transmission gear 20 moves up and down linearly, the cleaning roller 17 will be driven to rotate by the action force generated by the meshing connection between the inner side of the transmission gear 20 and the transmission rack 21, when the cleaning roller 17 rotates while moving up and down linearly, it can rotate and clean the dust particles accumulated in the inner area of the baffle groove 11 and the flow guide plate 6, and the scattered dust particles after the cleaning roller 17 rotates and cleans can be conveniently collected and treated by opening the cleaning opening 22, so that the blockage of the flow guide plate 6 can be avoided.

[0025] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A petrochemical tube heating furnace flue baffle anti-blocking device, characterized in that: Including the main body (1), the main body (1) front and rear ends are provided with the smoke inlet channel (2) and the smoke outlet channel (3) respectively, the inner side of the smoke inlet channel (2) is fixedly installed with the flow guide plate (6), the inner side of the smoke outlet channel (3) is connected with the smoke inlet channel (2) and is rotatably connected with the adjusting shaft (7) through the rotating shaft, the outer side end of the adjusting shaft (7) is fixedly installed with the swing rod (8) through the smoke outlet channel (3), the lower end of the swing rod (8) is rotatably connected with the electric telescopic rod (9) through the rotating shaft, and the rear end of the electric telescopic rod (9) is rotatably connected with the supporting column (10) through the rotating shaft. The outer curved surface of the middle part of the adjusting shaft (7) is fixedly installed with the baffle groove (11) for blocking the inner side of the smoke inlet channel (2), the outer side upper end of the baffle groove (11) is fixedly installed with the driving motor (12), the front end transmission shaft part of the driving motor (12) is fixedly installed with the first bevel gear (13) through the outer side upper end of the baffle groove (11), the front end upper side of the first bevel gear (13) is meshingly connected with the second bevel gear (14), the middle part of the second bevel gear (14) is fixedly installed with the adjusting screw rod (15), the upper end of the adjusting screw rod (15) is threadedly connected with the moving block (16) on the outer curved surface, the side end of the moving block (16) is rotatably connected with the cleaning roller (17) for cleaning the flow guide plate (6) and the baffle groove (11), the top end of the cleaning roller (17) away from the moving block (16) side is rotatably connected with the limiting block (18) through the rotating shaft, the middle part of the limiting block (18) is penetratingly and movably connected with the limiting slide rod (19), the outer curved surface of the cleaning roller (17) on both sides is fixedly installed with the transmission gear (20), the inner side of the transmission gear (20) is meshingly connected with the transmission rack (21), and the bottom of the smoke inlet channel (2) and the smoke outlet channel (3) is respectively penetratingly hingedly installed with the cleaning port (22).

2. A device for preventing blockage of the damper of the flue of a petrochemical tubular heating furnace according to claim 1, characterized in that: The front connecting flange (4) is fixedly installed at the opening of the smoke inlet channel (2), the rear connecting flange (5) is fixedly installed at the opening of the smoke outlet channel (3), and the outer periphery of the front connecting flange (4) and the rear connecting flange (5) is respectively penetratingly provided with a mounting hole.

3. A petrochemical tubular heater flue baffle anti-clogging device according to claim 2, characterized in that: The end face of the flow guide plate (6) is penetratingly provided with an air hole, and the inner side of the supporting column (10) is fixedly installed on the outer side wall of the smoke inlet channel (2).

4. A petrochemical tubular heater flue baffle anti-clogging device according to claim 3, characterized in that: The cleaning roller (17) is made of high-temperature-resistant material, and the limiting slide rod (19) is fixedly installed at the upper and lower ends in the inner side of the baffle groove (11).

5. A petrochemical tubular furnace flue baffle anti-clogging device according to claim 4, characterized in that: The number of transmission gears (20) is two, which are symmetrically distributed on the outer curved surfaces on both sides of the cleaning roller (17).

6. A petrochemical tubular furnace flue baffle anti-clogging device according to claim 5, characterized in that: The transmission rack (21) is fixedly installed on the inner end face of the baffle groove (11). The transmission rack (21) is fixedly installed on the inner end face of the baffle groove (11).

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