A vertical regeneration oil furnace

Abstract

The present invention belongs to the technical field of regeneration oil furnaces, and discloses a vertical regeneration oil furnace. The vertical regeneration oil furnace comprises a furnace body, wherein a trough cylinder is arranged in the furnace body, and the top of the trough cylinder extends out of the furnace body and is welded with the lower surface of a special-shaped support plate. The vertical regeneration oil furnace can adjust the mechanical movement speed of the material on the trough bottom plate (furnace bed) by adjusting the number of movable scraper assemblies, adjusting the speed of the scraper mechanism, and other measures, and accurately control the residence time of the material in the trough cylinder (furnace), which can not only realize the residence time of the material in each temperature section (a temperature control section is composed of several sections of furnaces), but also control its residence time in each furnace, adopt a gentle material stirring and turning method, reduce the wear of the product, and ensure the uniformity of the product, help the mass transfer process, and also make a considerable contribution to the distribution characteristics of the temperature in the entire furnace, ensuring that the material obtains sufficient reaction conditions.

Description

Technical Field

[0001] The invention relates to the technical field of regeneration oil furnaces, in particular to a vertical regeneration oil furnace. Background Art

[0002] Oily sludge usually includes tank bottom mud, ground oil sludge, and oily drill cuttings. It has complex composition and belongs to HW08 hazardous waste. The use of regeneration oil furnaces to treat oily sludge is a common method in this industry.

[0003] Due to the unreasonable early structural design of traditional oil furnaces, the emission of tail gas and solid residue is not reasonable. In the process of treating oily sludge, the oil content of the solid residue after pyrolysis is difficult to be effectively controlled, and multiple treatments are required, which has high treatment costs. Therefore, this application proposes a vertical regeneration oil furnace to solve the existing problems. Summary of the invention

[0004] The purpose of the invention is to provide a vertical regeneration oil furnace. The multi-stage design of the vertical regeneration oil furnace can fully treat oil-containing sludge, has high pyrolysis efficiency, and excellent temperature adjustable performance, thus solving the problems raised in the background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a vertical regeneration oil furnace, including a furnace body, a material trough cylinder body is arranged in the furnace body, and the top of the material trough cylinder body extends out of the furnace body and is welded with the lower surface of a special-shaped support plate, the outer periphery of the upper surface of the special-shaped support plate is fixedly connected with a special-shaped vertical cylinder, and the top of the special-shaped vertical cylinder is fixedly installed with a furnace cover through a special-shaped flange, an insulation shell is installed on the inner wall of the furnace body, an exhaust gas exhaust pipe is fixedly connected to the top of the front of the furnace body, and the exhaust gas exhaust pipe is connected to the inside of the insulation shell, an upper inspection pipe is fixedly connected to the middle part of the furnace cover, and the front of the upper inspection pipe is fixedly connected with an oil and gas outlet, a mounting seat is arranged on the right end of the furnace cover, a reduction motor is fixedly installed in the mounting seat, the output end of the reduction motor extends to the inside of the special-shaped vertical cylinder and is fixedly connected with a pinion, and a scraping mechanism is arranged in the material trough cylinder body.

[0006] Preferably, the outer wall of the material trough cylinder is provided with a spiral plate, and the inner wall of the material trough cylinder is fixedly connected with twelve trough bottom plates in sequence from top to bottom, the upper surface of the trough bottom plate is fixedly connected with a trough ring cylinder, a through hole is opened on the trough bottom plate and on the inner side of the trough ring cylinder, a discharge port is opened on the trough bottom plate and on the outer side of the trough ring cylinder, the top end of the rear side of the material trough cylinder is fixedly connected with the discharge end of the feed pipe, and the feed end of the feed pipe passes through the furnace body and extends to the rear side of the furnace body, the bottom end of the material trough cylinder extends to the outside of the furnace body, and a lower seat plate is welded to the bottom end of the side wall of the material trough cylinder, and the upper surface of the lower seat plate is fixedly connected to the lower surface of the furnace body, and a supporting leg is fixedly installed on the lower surface of the lower seat plate, and a bottom plate is welded to the bottom end of the inner wall of the material trough cylinder, a lower inspection pipe is fixedly connected to the middle part of the bottom plate, and a slag discharge pipe is fixedly connected to the bottom wall of the furnace body and at the front side of the lower inspection pipe.

[0007] Preferably, the scraping mechanism includes a large gear, six hanging pipes, a gear hub, and a gear spoke. The large gear is in a special-shaped vertical cylinder. Four gear ring tug groups are installed at the position of the large gear on the upper surface of the special-shaped support plate corresponding to the large gear, and the gear ring tug group and the lower surface of the large gear provide support for it, and the large gear is meshed with the small gear. The inner wall of the large gear is fixedly connected to the gear hub through the gear spoke, the top ends of the six hanging pipes are fixed to the inner side of the gear hub through hanging pipe ears, the six hanging pipes are connected to form a whole through a reinforcing plate, and the bottom ends of the hanging pipes extend to the bottom end of the trough cylinder.

[0008] Preferably, the number of the reinforcement plates is six, the six reinforcement plates are arranged at equal distances and are all located on the inner side of the corresponding groove ring cylinder, the scraper mechanism also includes a hanger tug and a movable scraper assembly, three groups of hanger tugs are respectively installed on the upper surfaces of the second, fourth and sixth reinforcement plates, the hanger tugs are a group of six and the upper rollers thereof are in contact with the inner wall of the corresponding groove ring cylinder, the movable scraper assembly includes a movable scraper seat, a pipe shaft, an adjusting sleeve, a rib plate, and a tooth scraper, the movable scraper seat is fixedly installed on the side of the hanging pipe, one end of the pipe shaft is pinned to the movable scraper seat, the adjusting sleeve is sleeved and fixed to the other end of the pipe shaft through a pin, one end of the rib plate is welded to the outer side surface of the adjusting sleeve, and the tooth scraper is welded to the other end surface of the rib plate.

[0009] Preferably, the number of the movable scraper seats on each of the hanging tubes is thirteen, and the thirteen movable scraper seats and the twelve grooved ring cylinders are arranged alternately.

[0010] Preferably, the angle between the discharge port and its adjacent discharge port in the vertical direction is 20.5°.

[0011] Preferably, two parallel bridge plates are fixedly connected to the upper surface of the trough bottom plate at the position of the discharge port, and the bridge plates are arc-shaped and the center of the bridge plates coincides with the axis of the trough barrel.

[0012] Preferably, the rib plate and the tooth scraper are both located on the outside of the groove vertical cylinder, and the bottom of the tooth scraper is in contact with the upper surface of the groove bottom plate. The lower section of the furnace body side wall is fixedly connected with two high-temperature gas inlet pipes, and the high-temperature gas inlet pipes are connected to the insulation shell, and the high-temperature gas inlet pipes are tangent to the furnace body surface.

[0013] By adopting the above technical solution, the beneficial effects of the present invention are:

[0014] 1. The vertical regeneration oil furnace can adjust the mechanical movement speed of the material on the trough bottom plate (hearth) by adjusting the number of active scraper components and the speed of the scraper mechanism, and accurately control the residence time of the material in the trough barrel (furnace). It can not only realize the residence time of the material in each temperature section (a temperature control section is composed of several furnace sections), but also control its residence time in each furnace. It adopts gentle material stirring and turning methods to reduce product wear and ensure product uniformity, help the mass transfer process, and also make a considerable contribution to the temperature distribution characteristics in the entire furnace, ensuring that the material obtains sufficient reaction conditions.

[0015] 2. The vertical regeneration oil furnace of the present application has excellent temperature adjustable performance and can obtain a temperature distribution effect that is quite close to the expected ideal furnace temperature distribution curve, thereby improving product yield, reducing product and heat energy loss rate, and cutting operating costs.

[0016] 3. The vertical regeneration oil furnace adopts a completely sealed design, which can effectively prevent the outside air from entering the furnace uncontrollably, avoid the decline in furnace operation efficiency, and is conducive to the effective conduct of the pyrolysis reaction. According to the reaction conditions in the furnace, high-temperature gas can be added at any time to promote the reaction.

[0017] 4. The vertical regeneration oil furnace of the present application can easily achieve the operation goal of introducing combustion reaction and pyrolysis reaction at different positions. The implementation of combustion and pyrolysis operations at different positions of the furnace can effectively control the reaction speed, and the controllable operation of the equipment can be achieved through automatic control. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view of the present invention;

[0019] Figure 2 For the present invention Figure 1 Middle AA section;

[0020] Figure 3 For the present invention Figure 2 The enlarged view of point A in the middle;

[0021] Figure 4 For the present invention Figure 1 Middle BB cross section;

[0022] Figure 5 It is a structural schematic diagram of the movable scraper assembly of the present invention;

[0023] Figure 6 It is a structural schematic diagram of the barrel of the trough of the present invention;

[0024] Figure 7 For the present invention Figure 6 Cross-sectional view of CC.

[0025] In the figure: 1 furnace body, 2 trough barrel, 21 spiral plate, 22 trough bottom plate, 23 trough ring cylinder, 24 through hole, 25 discharge port, 26 feed pipe, 27 lower seat plate, 28 support leg, 29 bottom plate, 210 lower inspection pipe, 211 slag discharge pipe, 3 special-shaped support plate, 4 special-shaped vertical cylinder, 5 special-shaped flange, 6 furnace cover, 7 insulation shell, 8 exhaust gas discharge pipe, 9 upper inspection pipe, 10 oil and gas outlet, 11 installation Seat, 12 reduction motor, 13 small gear, 14 scraper mechanism, 141 large gear, 142 hanging pipe, 143 gear hub ring, 144 gear spoke, 145 gear ring tugboat group, 146 reinforcement plate, 15 hanger tugboat, 16 movable scraper assembly, 161 movable scraper seat, 162 pipe shaft, 163 adjustment sleeve, 164 rib plate, 165 tooth scraper, 17 bridge plate, 18 high-temperature gas inlet pipe. DETAILED DESCRIPTION

[0026] See also Figure 1-7 The present invention provides a technical solution: a vertical regeneration oil furnace, comprising a furnace body 1, a material trough cylinder 2 is arranged in the furnace body 1, and the top of the material trough cylinder 2 extends out of the furnace body 1 and is welded with the lower surface of a special-shaped support plate 3, the outer periphery of the upper surface of the special-shaped support plate 3 is fixedly connected with a special-shaped vertical cylinder 4, the top of the special-shaped vertical cylinder 4 is fixedly installed with a furnace cover 6 through a special-shaped flange 5, an insulation shell 7 is installed on the inner wall of the furnace body 1, an exhaust gas exhaust pipe 8 is fixedly connected to the top of the front of the furnace body 1, and the exhaust gas exhaust pipe 8 is connected to the insulation shell 7, an upper inspection pipe 9 is fixedly connected to the middle of the furnace cover 6, and an oil and gas outlet 10 is fixedly connected to the front of the upper inspection pipe 9, a mounting seat 11 is arranged on the right end of the furnace cover 6, a reduction motor 12 is fixedly installed in the mounting seat 11, the output end of the reduction motor 12 extends to the inside of the special-shaped vertical cylinder 4 and is fixedly connected with a pinion 13, and a scraping mechanism 14 is arranged in the material trough cylinder 2.

[0027] The outer wall of the trough cylinder 2 is provided with a spiral plate 21, and the inner wall of the trough cylinder 2 is fixedly connected with twelve trough bottom plates 22 in sequence from top to bottom. The upper surface of the trough bottom plate 22 is fixedly connected with a trough ring cylinder 23. A through hole 24 is provided on the trough bottom plate 22 and located on the inner side of the trough ring cylinder 23. A discharge port 25 is provided on the trough bottom plate 22 and located on the outer side of the trough ring cylinder 23. The top end of the rear side of the trough cylinder 2 is fixedly connected with the discharge end of the feed pipe 26, and the feed end of the feed pipe 26 passes through the furnace body 1. And it extends to the rear side of the furnace body 1, the bottom end of the trough cylinder 2 extends to the outside of the furnace body 1, and a lower seat plate 27 is welded to the bottom end of the side wall of the trough cylinder 2, and the upper surface of the lower seat plate 27 is fixedly connected to the lower surface of the furnace body 1, and a supporting leg 28 is fixedly installed on the lower surface of the lower seat plate 27, and a bottom plate 29 is welded to the bottom end of the inner wall of the trough cylinder 2, and a lower inspection pipe 210 is fixedly connected to the middle part of the bottom plate 29, and a slag discharge pipe 211 is fixedly connected to the bottom wall of the furnace body 1 and located on the front side of the lower inspection pipe 210.

[0028] The scraping mechanism 14 includes a large gear 141, six hanging tubes 142, a gear hub 143, and a gear spoke 144. The large gear 141 is located in the special-shaped vertical cylinder 4. Four gear ring tug groups 145 are installed on the upper surface of the special-shaped support plate 3 at the position corresponding to the large gear 141, and the gear ring tug group 145 and the lower surface of the large gear 141 provide support for it, and the large gear 141 is meshed with the small gear 13. The inner wall of the large gear 141 is fixedly connected to the gear hub 143 through the gear spoke 144. The top ends of the six hanging tubes 142 are fixed to the inner side of the gear hub 143 through hanging tube ears. The six hanging tubes 142 are connected to form a whole through a reinforcing plate 146, and the bottom end of the hanging tube 142 extends to the bottom end of the trough cylinder 2.

[0029] There are six reinforcement plates 146, which are arranged at equal distances and are all located on the inner side of the corresponding groove ring tube 23. The scraper mechanism 14 also includes a hanger tug 15 and a movable scraper assembly 16. Three groups of hanger tugs 15 are respectively installed on the upper surfaces of the second, fourth and sixth reinforcement plates 146. The hanger tugs 15 are grouped into six and the upper rollers thereof are in contact with the inner walls of the corresponding groove ring tube 23. The movable scraper assembly 16 includes a movable scraper seat 161, a pipe shaft 162, an adjusting sleeve 163, a rib plate 164, and a tooth scraper 165. The movable scraper seat 161 is fixedly installed on the side of the hanging tube 142, one end of the pipe shaft 162 is pinned to the movable scraper seat 161, the adjusting sleeve 163 is sleeved and fixed to the other end of the pipe shaft 162 through a pin, one end of the rib plate 164 is welded to the outer side surface of the adjusting sleeve 163, and the tooth scraper 165 is welded to the other end surface of the rib plate 164.

[0030] The number of movable scraper seats 161 on each hanging tube 142 is thirteen, and the thirteen movable scraper seats 161 are arranged alternately with the twelve grooved ring cylinders 23, and the number of tooth scrapers 165 can be adjusted according to actual usage requirements.

[0031] Please refer to Figure 7 The vertical angle between the discharge port 25 and its adjacent discharge port 25 is 20.5°, and the position deviation allows the material to fall onto the bottom plate 22 of the next level trough.

[0032] Two parallel bridge plates 17 are fixedly connected to the upper surface of the trough bottom plate 22 and located at the position of the discharge port 25. The bridge plates 17 are arc-shaped and the center of the bridge plates 17 coincides with the axis of the trough barrel 2.

[0033] The rib plate 164 and the tooth scraper 165 are both located on the outside of the groove vertical cylinder, and the bottom of the tooth scraper 165 is in contact with the upper surface of the groove bottom plate 22. The lower section of the side wall of the furnace body 1 is fixedly connected with two high-temperature gas inlet pipes 18, and the high-temperature gas inlet pipes 18 are connected to the insulation shell 7, and the high-temperature gas inlet pipes 18 are tangent to the surface of the furnace body 1.

[0034] When the vertical regeneration oil furnace is working, the material enters the trough barrel 2 through the feed pipe 26, and the reduction motor 12 drives the scraper mechanism 14 to operate. As the scraper mechanism 14 rotates, the pyrolysis material falling on the trough bottom plate 22 is continuously scraped into the next-level trough bottom plate 22 by the movable scraper assembly through the discharge port 25, until the pyrolysis is completed at the bottom, and the waste residue is discharged through the slag discharge pipe 211, and the waste gas is discharged from the furnace body 1 through the waste gas discharge pipe 8.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vertical regeneration oil furnace, comprising a furnace body (1), wherein a trough cylinder (2) is arranged in the furnace body (1), and the top of the trough cylinder (2) extends out of the furnace body (1) and is welded with the lower surface of a special-shaped support plate (3), the outer periphery of the upper surface of the special-shaped support plate (3) is fixedly connected with a special-shaped vertical cylinder (4), and the top of the special-shaped vertical cylinder (4) is fixedly installed with a furnace cover (6) through a special-shaped flange (5), the inner wall of the furnace body (1) is installed with a heat-insulating shell (7), and the top of the front of the furnace body (1) is fixedly connected with an exhaust gas exhaust pipe (8), and the exhaust gas exhaust pipe (8) is connected with the inside of the heat-insulating shell (7), characterized in that: The middle of the furnace upper cover (6) is fixedly connected to an upper inspection pipe (9), and the front of the upper inspection pipe (9) is fixedly connected to an oil and gas outlet (10). A mounting seat (11) is provided at the right end of the furnace upper cover (6), and a reduction motor (12) is fixedly installed in the mounting seat (11). The output end of the reduction motor (12) extends to the inside of the special-shaped vertical cylinder (4) and is fixedly connected to a pinion gear (13). A scraping mechanism (14) is provided in the trough cylinder (2); The outer wall of the trough barrel (2) is provided with a spiral plate (21), the inner wall of the trough barrel (2) is fixedly connected with twelve trough bottom plates (22) in sequence from top to bottom, the upper surface of the trough bottom plate (22) is fixedly connected with a trough ring cylinder (23), a through hole (24) is provided on the trough bottom plate (22) and located on the inner side of the trough ring cylinder (23), a discharge port (25) is provided on the trough bottom plate (22) and located on the outer side of the trough ring cylinder (23), the top end of the rear side of the trough barrel (2) is fixedly connected with the discharge end of the feed pipe (26), and the feed end of the feed pipe (26) passes through the furnace body (1) and extending to the rear side of the furnace body (1), the bottom end of the trough barrel body (2) extending to the outside of the furnace body (1), and a lower seat plate (27) is welded to the bottom end of the side wall of the trough barrel body (2), and the upper surface of the lower seat plate (27) is fixedly connected to the lower surface of the furnace body (1), and a support leg (28) is fixedly installed on the lower surface of the lower seat plate (27), and a bottom plate (29) is welded to the bottom end of the inner wall of the trough barrel body (2), and a lower inspection pipe (210) is fixedly connected to the middle of the bottom plate (29), and a slag discharge pipe (211) is fixedly connected to the bottom wall of the furnace body (1) and located in front of the lower inspection pipe (210); The scraping mechanism (14) comprises a large gear (141), six hanging tubes (142), a gear hub (143), and a gear spoke (144); the large gear (141) is located in the special-shaped vertical cylinder (4); four gear ring tug groups (145) are installed on the upper surface of the special-shaped support plate (3) at a position corresponding to the large gear (141); the gear ring tug groups (145) and the lower surface of the large gear (141) provide support for it; the large gear (141) is meshed with the small gear (13); the inner wall of the large gear (141) is fixedly connected to the gear hub (143) via the gear spoke (144); the top ends of the six hanging tubes (142) are fixed to the inner side of the gear hub (143) via hanging tube ears; the six hanging tubes (142) are connected to form a whole via a reinforcing plate (146); the bottom ends of the hanging tubes (142) extend to the bottom end of the trough cylinder (2); The number of the reinforcement plates (146) is six, and the six reinforcement plates (146) are arranged at equal distances and are all located inside the corresponding grooved ring cylinder (23). The scraper mechanism (14) further includes a hanger tug (15) and a movable scraper assembly (16). Three groups of hanger tugs (15) are respectively installed on the upper surfaces of the second, fourth, and sixth reinforcement plates (146). The hanger tugs (15) are grouped into six and the upper rollers thereof are in contact with the inner wall of the corresponding grooved ring cylinder (23). The movable scraper assembly (16) includes a movable scraper. A seat (161), a pipe shaft (162), an adjustment sleeve (163), a rib plate (164), and a tooth scraper (165); the movable scraper seat (161) is fixedly installed on the side of the hanging pipe (142); one end of the pipe shaft (162) is pin-connected to the movable scraper seat (161); the adjustment sleeve (163) is sleeved and fixed to the other end of the pipe shaft (162) through the pin; one end of the rib plate (164) is welded to the outer side surface of the adjustment sleeve (163); and the tooth scraper (165) is welded to the other end surface of the rib plate (164); By adjusting the number of active scraper components (16) to adjust the mechanical movement speed of the material on the bottom plate (22) of the trough, the residence time of the material in the trough cylinder (2) is controlled; The rib plate (164) and the tooth scraper (165) are both located outside the groove vertical cylinder, and the bottom of the tooth scraper (165) contacts the upper surface of the groove bottom plate (22). The lower section of the side wall of the furnace body (1) is fixedly connected to two high-temperature gas inlet pipes (18), and the high-temperature gas inlet pipes (18) are connected to the inside of the heat-insulating shell (7), and the high-temperature gas inlet pipes (18) are tangent to the surface of the furnace body (1).

2. A vertical oil regeneration furnace according to claim 1, characterized in that: The included angle between the discharge port (25) and the adjacent discharge port (25) in the vertical direction is 20.5°.

3. A vertical oil regeneration furnace according to claim 2, characterized in that: Two parallel bridge plates (17) are fixedly connected to the upper surface of the trough bottom plate (22) at the position of the discharge port (25); the bridge plates (17) are arc-shaped and the center of the bridge plates coincides with the axis of the trough barrel (2).

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