Double-helix material taking machine for closed vertical coke conveying

Abstract

A double-helix material taking machine for closed vertical coke conveying comprises a double-layer supporting platform, a material conveying device, a forced feeding device, a spiral flushing device and a centralized lubricating device, and the material conveying device, the forced feeding device, the spiral flushing device and the centralized lubricating device are arranged on the double-layer supporting platform. The vertical coke conveying device has the advantages of leakproofness, high efficiency and the like, can well convey materials which are high in grinding performance, certain in viscosity, high in water content, poor in flowability and high in medium particle proportion, and achieves high efficiency, standardization and environmental protection in the vertical coke conveying process.

Description

Technical Field

[0001] The utility model relates to the technical field of spiral vertical conveying equipment, in particular to a closed vertical coke conveying double-screw reclaimer for a petroleum coke vertical conveying system in a closed pool of a coking device. Background Art

[0002] Delayed coking technology is one of the main processing methods for residual oil, especially low-quality residual oil, because of its strong adaptability to raw materials, mature technology, and low investment and operating costs. The petroleum coke produced by the delayed coking unit has a certain viscosity, high water content, high abrasiveness, poor fluidity, and a high proportion of medium-sized particle materials. At present, the existing spiral vertical conveying equipment in the prior art is only suitable for conveying powdered or small-particle materials with good fluidity and dryness, and the equipment wears quickly and the conveying efficiency is low. Therefore, at this stage, the coking unit of the refinery generally uses a grab bucket for vertical extraction of petroleum coke in the coking pool. However, the grab bucket is not airtight during the entire coking process, the dust pollution is serious, and the labor intensity is high, the efficiency is low, and the operating environment for personnel is poor. All aspects are not suitable for efficient and environmentally friendly production requirements.

[0003] Therefore, for materials with high abrasiveness, certain viscosity, high water content, poor fluidity, and a high proportion of medium particles, it is necessary to develop a closed vertical coke conveying double-screw reclaimer to meet the vertical transportation requirements of petroleum coke in the coking unit and the on-site efficient and environmentally friendly production requirements. Summary of the invention

[0004] The technical purpose of the utility model is to provide a double-screw material reclaimer for vertical coke transportation that is easy to install, maintain, airtight and efficient. The double-screw material reclaimer can better transport materials with high abrasiveness, certain viscosity, high water content, poor fluidity and a high proportion of medium particles, thereby realizing the efficiency, standardization and environmental protection of the vertical coke transportation process.

[0005] The utility model adopts the following technical solution to solve the above technical problems: a double-screw material taking machine for closed vertical coke transportation, comprising a double-layer support platform, and a material conveying device, a forced feeding device, a spiral flushing device and a centralized lubrication device arranged on the double-layer support platform, wherein the material conveying device comprises a spiral driving component, a material conveying pipe, a conveying screw assembly, a spiral top supporting component and a spiral bottom supporting component, wherein the material conveying pipe is vertically arranged below the double-layer support platform, and its top end is fixed on the double-layer support platform, the conveying screw assembly is vertically penetrated inside the material conveying pipe, and its top and bottom ends are respectively radially limited by the spiral top supporting component and the spiral bottom supporting component when the conveying screw assembly rotates at high speed, and the conveying screw assembly can realize vertical lifting conveying of petroleum coke in the material conveying pipe through the double-helix blade units uniformly arranged on its outer surface under the drive of the spiral driving component;

[0006] The forced feeding device includes a feeding drive assembly, a transmission assembly, a feeding reducer and a forced feeding assembly, wherein the forced feeding assembly includes at least two connecting pipes that are butt-jointed up and down, the connecting pipes are sleeved on the outside of the material conveying pipe, a forced feeder extending out of the material conveying pipe is fixed at the end of the lowermost connecting pipe, and a plurality of material-pickling arms are evenly arranged on the outer side wall of the connecting pipe, the feeding drive assembly drives the forced feeding assembly to rotate in the opposite direction to the rotation direction of the conveying screw assembly via the transmission assembly and the feeding reducer in turn, so as to realize forced feeding;

[0007] The spiral flushing device is fixed on the double-layer support platform and is interconnected with the interior of the material conveying pipe through a pipeline to flush the interior of the material conveying pipe;

[0008] The centralized lubrication device includes a multi-point lubrication pump, a high-pressure lubrication pipe and a pipe joint. The multi-point lubrication pump is fixed on a double-layer support platform. One end of multiple high-pressure lubrication pipes is connected to the multi-point lubrication pump, and the other end is connected to each transmission lubrication point on the reclaimer through a pipe joint. A protective cover is also provided under the high-pressure lubrication pipe to prevent the high-pressure lubrication pipe from being damaged by materials, and the protective cover is fixed on the external shell of the feed reducer.

[0009] Furthermore, the double-layer support platform includes an upper platform and a lower platform connected together by bolts, wherein the upper platform is a split structure, including an upper platform split component I and an upper platform split component II connected together by bolts, and the upper platform uses the center line of the material conveying pipe mounting hole and the feed drive component mounting hole as the split interface.

[0010] Furthermore, the spiral drive assembly and the spiral top support assembly are both arranged on a double-layer support platform, and the spiral drive assembly is connected to the conveying spiral assembly through a rotating shaft inside the spiral top support assembly.

[0011] Furthermore, the outer support seat of the spiral top support assembly is fixed to the top end of the material conveying pipe.

[0012] Furthermore, the conveying screw assembly includes at least two sections of shaft bodies that are connected to each other in sequence up and down, and the double helical blade units are evenly arranged along the length direction of the shaft body. The double helical blade units include two sets of axially symmetrically arranged conveying spiral blades, and a reverse spiral blade is also arranged on the shaft body located at the top. The reverse spiral blade is arranged above the conveying spiral blade and is used to extrude and output material in the direction of the discharge port of the material conveying pipe.

[0013] Furthermore, the material conveying pipe includes a feed conveying pipe, an intermediate conveying pipe and a discharge conveying pipe which are arranged in sequence from bottom to top. Both ends of the intermediate conveying pipe are connected to the feed conveying pipe and the discharge conveying pipe through a spiral support seat. The top end of the discharge conveying pipe is fixed on the double-layer support platform. A discharge pipe is also connected to the side wall of the discharge conveying pipe. A material collecting cover is also arranged at the end of the discharge pipe.

[0014] Furthermore, a transmission support seat for limiting the shaking of the transmission component is also provided on the material conveying pipe.

[0015] Furthermore, the transmission assembly includes a torque limiter and a transmission shaft. The torque limiter is fixed on the output shaft of the feed drive assembly. The two ends of the transmission shaft are respectively connected to the torque limiter and the feed reducer through universal couplings. A seat bearing is also provided on the transmission shaft. The seat bearing is fixed with the transmission support seat on the material conveying pipe to achieve the limitation of the shaking of the transmission assembly.

[0016] Furthermore, the spiral flushing device includes a water inlet pipe, a metal hose and a water outlet pipe, one end of the metal hose is connected to the water inlet pipe, and the other end is connected to the inside of the material conveying pipe via the water outlet pipe.

[0017] Furthermore, the feed reducer is fixed on the material conveying pipe.

[0018] Furthermore, the reclaimer also includes an auxiliary support component for increasing the overall structural strength of the equipment, the top end of the auxiliary support component is fixed to the bottom surface of the double-layer support platform, and the bottom end is fixed to the outer wall surface of the material conveying pipe.

[0019] Furthermore, the feed drive assembly is arranged on a double-layer support platform.

[0020] Beneficial effects of the utility model:

[0021] 1. The utility model is a closed double-screw feeder for vertical coke transportation, which has a simple structure and reasonable design, and can realize vertical transportation of materials with high abrasiveness, certain viscosity, high water content, poor fluidity, and a high proportion of medium particles. The feeder is easy to realize remote control, which improves the operating environment of personnel and improves personnel safety; its conveying structure has good airtightness, which avoids dust generation during coke transportation and thus polluting the environment, and the centralized lubrication device reduces the maintenance difficulty and maintenance workload; the spiral flushing device installed in the equipment effectively avoids the material compaction in the conveying channel. At the same time, with the cooperation of the forced feeding component and the conveying screw assembly, the production efficiency is high, the coke transportation cycle is short, the labor intensity of the operator is reduced, and the practical effect is good.

[0022] 2. The utility model is a closed vertical coke transport double-screw reclaimer, which sets the support platform into a double-layer structure connected by bolt assembly and installation. The device on the upper platform can be pre-installed in advance and used as an integrated modular structure, and the lower platform is assembled and installed on site above the coking tank. The split structure support platform greatly reduces the implementation difficulty and workload of on-site installation, saves assembly time, and improves work efficiency.

[0023] 3. The utility model is a closed vertical coke conveying double-screw reclaimer, in which a conveying screw assembly structure with double spiral blades is provided in the material conveying device, which increases the contact area between the material and the spiral blades, thereby greatly improving the material conveying efficiency; the arrangement of the reverse spiral blade structure on the top of the conveying screw assembly is conducive to the extrusion and transportation of the material conveyed by the conveying screw assembly toward the discharge port, thereby ensuring a better discharge effect.

[0024] 4. The utility model is a closed vertical coke conveying double-screw material reclaimer. The spiral flushing device can realize regular flushing of the inside of the conveying pipe to avoid the compaction of materials on the inner wall of the material conveying pipe, which may cause high current explosion, abnormal wear or damage to the equipment during operation. The centralized lubrication device can realize lubrication of all transmission parts of the equipment at one time. The lubrication pipeline has high regularity and can be remotely controlled, which greatly reduces the maintenance difficulty and workload of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic front view of the overall structure of the utility model;

[0026] Figure 2 It is a schematic top view of the overall structure of the utility model;

[0027] Figure 3 It is a schematic top view of the structure of the double-layer support platform in the utility model;

[0028] Figure 4 for Figure 3 AA section view;

[0029] Figure 5 It is a schematic top view of the structure of the upper platform in the double-layer support platform;

[0030] Figure 6 It is a structural schematic diagram of the material conveying pipe in the utility model;

[0031] Figure 7 It is a structural schematic diagram of the transmission component in the utility model;

[0032] Figure 8 This is a layout diagram of the spiral flushing device in the utility model;

[0033] Fig. 9 It is a structural schematic diagram of the forced feeding component in the utility model;

[0034] Fig.10 It is a structural schematic diagram of the conveying screw assembly in the utility model;

[0035] Fig.11 This is a layout diagram of the centralized lubrication device in the utility model;

[0036] Figure numerals: 1. Double-layer support platform, 101. Upper platform, 1011. Upper platform subdivision component I, 1012. Upper platform subdivision component II, 102. Lower platform; 2. Material conveying pipe, 201. Discharge conveying pipe, 202. Discharge pipe, 203. Material collecting cover, 204. Spiral support seat, 205. Intermediate conveying pipe, 206. Feed conveying pipe, 207. Transmission support seat; 3. Spiral drive assembly; 4. Spiral top support assembly; 5. Feed drive assembly; 6. Transmission assembly, 601. Torque limiter, 602. Universal coupling, 603. Bearing with seat, 604. Transmission shaft; 7. Spiral flushing device, 701. Water inlet pipe, 702. Metal hose, 703. Outlet pipe; 8. Feed reducer; 9. Forced feeding assembly, 901. Connecting pipe I, 902. Connecting seat, 903. Connecting pipe II, 904. Bearing support assembly, 905. Connecting pipe III, 906. Forced feeder, 907. Diverter arm; 10. Spiral bottom support assembly; 11. Conveying screw assembly, 1101. Shaft body I, 1102. Spiral connection assembly, 1103. Shaft body II, 1104. Shaft body III, 1105. Conveying spiral blades, 1106. Reverse spiral blades; 12. Centralized lubrication device, 1201. Multi-point lubrication pump, 1202. High-pressure lubrication pipe, 1203. Bracket, 1204. Pipe joint, 1205. Protective cover; 13. Auxiliary support assembly. DETAILED DESCRIPTION

[0037] The specific implementation of the utility model is described below in conjunction with the accompanying drawings:

[0038] As shown in the figure, the utility model aims to provide a closed and efficient double-screw reclaimer for vertical coke transportation, so as to realize the transportation of materials with high abrasiveness, certain viscosity, high water content, poor fluidity and high proportion of medium particles. The equipment specifically includes a double-layer support platform 1, and a material conveying device, a forced feeding device, a spiral flushing device 7 and a centralized lubrication device 12 arranged on the double-layer support platform 1. The double-layer support platform 1 includes an upper platform 101 and a lower platform 102 connected together by bolts, wherein the upper platform 101 is a split structure, including an upper platform split component Ⅰ1011 and an upper platform split component Ⅱ1012 connected together by bolts, and the upper platform 101 uses the center line of the mounting hole of the material conveying pipe 2 and the mounting hole of the feed drive component 5 as the split interface.

[0039] The material conveying device includes a spiral drive component 3, a material conveying pipe 2, a conveying screw assembly 11, a spiral top support component 4 and a spiral bottom support component 10, wherein the spiral drive component 3 is arranged on a double-layer support platform 1, the material conveying pipe 2 is vertically arranged below the double-layer support platform 1, and its top end is fixed on the double-layer support platform 1, the conveying screw assembly 11 is vertically penetrated into the interior of the material conveying pipe 2, and its top and bottom ends are respectively radially limited by the spiral top support component 4 and the spiral bottom support component 10 when the conveying screw assembly 11 rotates at high speed, the spiral top support component 4 is also arranged on the double-layer support platform 1, and the external support seat of the spiral top support component 4 is fixed on the material conveying pipe 2, and the spiral drive component 3 is connected to the conveying screw assembly 11 through the rotating shaft inside the spiral top support component 4. The material conveying pipe 2 includes a feed conveying pipe 206, an intermediate conveying pipe 205 and a discharge conveying pipe 201 which are arranged in sequence from bottom to top. Both ends of the intermediate conveying pipe 205 are connected to the feed conveying pipe 206 and the discharge conveying pipe 201 through a spiral support seat 204. The top of the discharge conveying pipe 201 is fixed on the double-layer support platform 1. The discharge conveying pipe 202 is also connected to the side wall of the discharge conveying pipe 201. The end of the discharge conveying pipe 202 is also provided with a material collecting cover 203. The conveying screw assembly 11 includes at least two shafts which are arranged in sequence up and down. The double helical blade units are evenly arranged along the length direction of the shaft body. The double helical blade units include two sets of axially symmetrically arranged conveying spiral blades 1105. A reverse spiral blade 1106 is also arranged on the shaft body located at the top. The reverse spiral blade 1106 is arranged above the conveying spiral blade 1105 and is used to extrude and output the material in the direction of the discharge port of the material conveying pipe 2. The conveying screw assembly 11 can be driven by the spiral drive component 3 to realize the vertical lifting conveying of petroleum coke in the material conveying pipe 2 through the double helical blade units evenly arranged on its outer surface.

[0040] The forced feeding device includes a feeding drive assembly 5, a transmission assembly 6, a feeding reducer 8 and a forced feeding assembly 9, wherein the forced feeding assembly 9 includes at least two connecting pipes that are butt-jointed with each other up and down, and the connecting pipes are nested outside the material conveying pipe 2, and a forced feeder 906 extending from the outside of the material conveying pipe 2 is fixed at the end of the connecting pipe located at the bottom, and a plurality of material diverting arms 907 are evenly arranged on the outer wall of the connecting pipe, and the transmission assembly 6 includes a torque limiter 601 and a transmission shaft 604, wherein the torque limiter 601 is fixed on the output shaft of the feeding drive assembly 5, and the two ends of the transmission shaft 604 are respectively The feed reducer 8 is connected to the torque limiter 601 and the feed reducer 8 through a universal coupling 602. The feed reducer 8 is fixed on the material conveying pipe 2. A seat bearing 603 is also provided on the transmission shaft 604. A transmission support seat 207 for limiting the shaking of the transmission component 6 is provided on the material conveying pipe 2. The seat bearing 603 is fixed with the transmission support seat 207 on the material conveying pipe 2 to limit the shaking of the transmission component 6. The feed drive component 5 drives the forced feeding component 9 to rotate in the opposite direction to the rotation direction of the conveying screw assembly 11 via the transmission component 6 and the feed reducer 8 in turn to achieve forced feeding.

[0041] The spiral flushing device 7 is fixed on the double-layer supporting platform 1, and is interconnected with the interior of the material conveying pipe 2 through a pipeline, and is used to flush the interior of the material conveying pipe 2; the spiral flushing device 7 includes an inlet pipe 701, a metal hose 702 and an outlet pipe 703, the inlet pipe 701 is fixed on the upper platform, one end of the metal hose 702 is connected to the inlet pipe 701, and the other end is interconnected with the interior of the material conveying pipe 2 via the outlet pipe 703.

[0042] The centralized lubrication device 12 includes a multi-point lubrication pump 1201, a high-pressure lubrication pipe 1202 and a pipe joint 1204. The multi-point lubrication pump 1201 is fixed on the double-layer support platform 1. One end of multiple high-pressure lubrication pipes 1202 are connected to the multi-point lubrication pump 1201, and the other end is connected to each transmission lubrication point on the material reclaimer through the pipe joint 1204. A protective cover 1205 is also provided under the high-pressure lubrication pipe 1202 to prevent the high-pressure lubrication pipe 1202 from being damaged by materials. The protective cover 1205 is fixed on the housing of the feed reducer 8.

[0043] The reclaimer also includes an auxiliary support assembly 13 for increasing the overall structural strength of the equipment. The top end of the auxiliary support assembly 13 is fixed to the bottom surface of the double-layer support platform 1 , and the bottom end is fixed to the outer wall surface of the material conveying pipe 2 .

[0044] The working process of the utility model is as follows: the screw drive assembly 3 and the feed drive assembly 5 are started in sequence, and the conveying screw assembly 11 and the forced feed assembly 9 start to rotate respectively, and the rotation directions of the two are opposite. The rotating forced feed assembly 9 squeezes the materials around it from the entrance on the side of the forced feeder 906 into the high-speed rotating conveying screw assembly 11, and under the action of the conveying spiral blade 1105, the materials are lifted from bottom to top along the inner wall of the material conveying pipe 2, and finally the materials are discharged from the pipe mouth of the discharge pipe 202, and are concentrated by the material collection cover 203 and then conveyed to the subsequent conveying equipment, thereby realizing the vertical conveying of the granular materials.

[0045] Example 1

[0046] A double-screw reclaimer for closed vertical coke transportation in this embodiment is used for vertical lifting of petroleum coke in a closed pool of a coking device. The device structure includes a double-layer support platform 1, a material conveying pipe 2, a screw drive assembly 3, a screw top support assembly 4, a feed drive assembly 5, a transmission assembly 6, a screw flushing device 7, a feed reducer 8, a forced feeding assembly 9, a screw bottom support assembly 10, a conveying screw assembly 11, a centralized lubrication device 12 and an auxiliary support assembly 13.

[0047] The material conveying pipe 2 is fixed on the double-layer support platform 1; the external support seat of the spiral top support assembly 4 is fixed on the material conveying pipe 2, and the internal rotating shaft is connected to the conveying screw assembly 11; the spiral drive assembly 3 is fixed on the double-layer support platform 1, and the drive output end is connected to the internal rotating shaft of the spiral top support assembly 4 by a key, providing rotational power for the conveying screw assembly 11; the outer shell of the feed reducer 8 is fixed on the material conveying pipe 2, the drive input end is connected to the universal coupling 602 of the transmission assembly 6 by a key, and the drive output end is connected to the forced feeding assembly 9; the feed drive assembly 5 is fixed on the double-layer support platform 1, and the drive output end is connected to the torque limiter of the transmission assembly 6 by a key, providing rotational power for the forced feeding assembly 9; the spiral flushing The device 7 is fixed on the double-layer support platform 1 and communicated with the material conveying pipe 2 through a pipeline, so as to flush the inside of the conveying pipe to prevent the material from being hardened on the wall of the cylinder; the spiral bottom support assembly 10 is fixed on the bottom of the forced feeding assembly 9, and the shaft is inserted into the bottom sleeve of the conveying screw assembly 11 to limit the radial swing of the conveying screw assembly 11 during high-speed rotation; the multi-point lubrication pump of the centralized lubrication device 12 is fixed on the double-layer support platform 1, and is respectively connected to each transmission component of the equipment through multiple pipelines to lubricate each rotating part in the equipment; one end of the auxiliary support assembly 13 is fixed on the bottom surface of the double-layer support platform 1, and the other end is fixed on the wall of the material conveying pipe 2 to increase the overall structural strength of the equipment; the forced feeding assembly 9 and the conveying screw assembly 11 have opposite rotation directions.

[0048] The double-layer support platform 1 includes an upper platform 101 and a lower platform 102, which are connected by bolts. The upper platform 101 is a split structure, with the center line of the mounting hole of the material conveying pipe 2 and the mounting hole of the feed drive assembly 5 as the split interface, including an upper platform split component I 1011 and an upper platform split component II 1012, and the two split components are connected by bolts.

[0049] The material conveying pipe 2 includes a discharge conveying pipe 201, a discharge pipe 202, a material collecting cover 203, a spiral support seat 204, an intermediate conveying pipe 205, a feed conveying pipe 206 and a transmission support seat 207. The spiral support seat 204 is respectively arranged between the intermediate conveying pipe 205 and the discharge conveying pipe 201 and the feed conveying pipe 206, and is connected by bolts; the discharge pipe 202 is installed on the side of the discharge conveying pipe 201, and a material collecting cover 203 is arranged at the discharge port to concentrate the discharge and prevent the material from scattering everywhere; the transmission support seat 207 is fixed on the material conveying pipe 2.

[0050] The transmission assembly 6 includes a torque limiter 601, a universal coupling 602, a seat bearing 603 and a transmission shaft 604. Universal couplings 602 are provided at both ends of the transmission shaft 604 and are connected by keys; the torque limiter 601 is fixed on the universal coupling 602; the inner hole of the seat bearing 603 is rotatably connected with the transmission shaft 604, and the seat bearing 603 is connected with the transmission support seat 207 on the material conveying pipe 2 by bolts, so as to limit the axial movement and radial swing of the transmission assembly 6 when rotating at high speed.

[0051] The spiral flushing device 7 comprises a water inlet pipe 701, a metal hose 702 and a water outlet pipe 703. One end of the metal hose 702 is connected to the water inlet pipe 701 by bolts, and the other end is connected to the water outlet pipe 703 by bolts.

[0052] The forced feeding assembly 9 includes a connecting pipe I 901, a connecting seat 902, a connecting pipe II 903, a bearing support assembly 904, a connecting pipe III 905, a forced feeder 906 and a material diverting arm 907. A connecting seat 902 is provided between the connecting pipe I 901 and the connecting pipe II 903, and they are connected by bolts; a bearing support assembly 904 is provided between the connecting pipe III 905 and the connecting pipe II 903, and they are connected by bolts; the forced feeder 906 is fixed to one end of the connecting pipe III 905; the material diverting arm 907 is evenly distributed around the cylinder wall of the forced feeding assembly 9 and is fixed by welding.

[0053] The conveying screw assembly 11 includes a shaft body Ⅰ1101, a spiral connection component 1102, a shaft body Ⅱ1103, a shaft body Ⅲ1104, a conveying spiral blade 1105 and a reverse spiral blade 1106. The spiral connection component 1102 is respectively arranged between the shaft body Ⅱ1103 and the shaft body Ⅰ1101 and the shaft body Ⅲ1104, and is connected by bolts; the conveying spiral blade 1105 is welded on the shaft body Ⅰ1101, the shaft body Ⅱ1103 and the shaft body Ⅲ1104, and another layer of conveying spiral blade 1105 is arranged in the 180° direction of the shaft body circumference to form a double-layer spiral blade structure; the reverse spiral blade 1106 is welded and fixed on the shaft body Ⅰ1101.

[0054] The centralized lubrication device 12 includes a multi-point lubrication pump 1201, a high-pressure lubrication pipe 1202, a bracket 1203, a pipe joint 1204 and a protective cover 1205. One end of the high-pressure lubrication pipe 1202 is connected to the multi-point lubrication pump 1201 through the pipe joint 1204, and the other end is connected to each transmission lubrication point of the equipment through the pipe joint 1204; the bracket 1203 is welded to the material conveying pipe 2 and fixed together with the high-pressure lubrication pipe 1202, so that multiple lubrication pipes are arranged in order; the protective cover 1205 is fixed to the housing of the feed reducer 8, and covers the high-pressure lubrication pipe 1202 to prevent damage to the lubrication pipeline.

[0055] The technical solutions and implementation methods listed in the present utility model are not limiting, and solutions that are equivalent to or have the same effects as the technical solutions and implementation methods listed in the present utility model are all within the scope of protection of the present utility model.

Claims

1. A double-screw reclaimer for closed vertical coke transport, characterized in that: The invention comprises a double-layer support platform (1), and a material conveying device, a forced feeding device, a spiral flushing device (7) and a centralized lubrication device (12) arranged on the double-layer support platform (1), wherein the material conveying device comprises a spiral drive component (3), a material conveying pipe (2), a conveying spiral assembly (11), a spiral top support component (4) and a spiral bottom support component (10), wherein the material conveying pipe (2) is vertically arranged below the double-layer support platform (1), and its top end is fixed on the double-layer support platform (1), the conveying spiral assembly (11) is vertically penetrated inside the material conveying pipe (2), and its top end and bottom end are respectively radially limited by the spiral top support component (4) and the spiral bottom support component (10) when the conveying spiral assembly (11) rotates at high speed, and the conveying spiral assembly (11) can realize vertical lifting conveying of petroleum coke in the material conveying pipe (2) through the double spiral blade units uniformly arranged on its outer surface under the drive of the spiral drive component (3); The forced feeding device comprises a feeding drive assembly (5), a transmission assembly (6), a feeding reducer (8) and a forced feeding assembly (9), wherein the forced feeding assembly (9) comprises at least two connecting pipes which are butt-jointed with each other in an upper and lower manner, the connecting pipes being sleeved on the outside of the material conveying pipe (2), a forced feeder (906) extending from the outside of the material conveying pipe (2) being fixed at the end of the lowermost connecting pipe, and a plurality of material shifting arms (907) are evenly arranged on the outer wall of the connecting pipe, the feeding drive assembly (5) drives the forced feeding assembly (9) to rotate in a direction opposite to the rotation direction of the conveying screw assembly (11) via the transmission assembly (6) and the feeding reducer (8) in sequence, so as to realize forced feeding; The spiral flushing device (7) is fixed on the double-layer support platform (1), and is connected to the interior of the material conveying pipe (2) through a pipeline, and is used to flush the interior of the material conveying pipe (2); The centralized lubrication device (12) comprises a multi-point lubrication pump (1201), a high-pressure lubrication pipe (1202) and a pipe joint (1204); the multi-point lubrication pump (1201) is fixed on the double-layer support platform (1); one end of a plurality of high-pressure lubrication pipes (1202) is connected to the multi-point lubrication pump (1201); the other end is connected to each transmission lubrication point on the reclaimer through the pipe joint (1204); a protective cover (1205) is provided below the high-pressure lubrication pipe (1202) to prevent the high-pressure lubrication pipe (1202) from being damaged by materials, and the protective cover (1205) is fixed on the housing of the feed reducer (8).

2. A closed vertical coke transport double-screw reclaimer according to claim 1, characterized in that: The double-layer support platform (1) comprises an upper platform (101) and a lower platform (102) connected together by bolts, wherein the upper platform (101) is a split structure, comprising an upper platform split component I (1011) and an upper platform split component II (1012) connected together by bolts, and the upper platform (101) uses the center line of the material conveying pipe (2) mounting hole and the feed drive component (5) mounting hole as the split interface.

3. A closed vertical coke transport double-screw reclaimer according to claim 1, characterized in that: The spiral drive assembly (3) and the spiral top support assembly (4) are both arranged on the double-layer support platform (1), and the spiral drive assembly (3) is connected to the conveying spiral assembly (11) via a rotating shaft inside the spiral top support assembly (4).

4. A closed vertical coke transport double-screw reclaimer according to claim 1, characterized in that: The conveying screw assembly (11) comprises at least two shafts that are connected to each other in sequence up and down, and the double helical blade units are evenly arranged along the length direction of the shaft. The double helical blade units include two sets of conveying screw blades (1105) that are axially symmetrically arranged. A reverse helical blade (1106) is also arranged on the shaft located at the top. The reverse helical blade (1106) is arranged above the conveying screw blade (1105) and is used to extrude and output material in the direction of the discharge port of the material conveying pipe (2).

5. The closed vertical coke transport double-screw reclaimer according to claim 1, characterized in that: The material conveying pipe (2) comprises a feed conveying pipe (206), an intermediate conveying pipe (205) and a discharge conveying pipe (201) which are arranged in sequence from bottom to top; both ends of the intermediate conveying pipe (205) are connected to the feed conveying pipe (206) and the discharge conveying pipe (201) via a spiral support seat (204); the top end of the discharge conveying pipe (201) is fixed on the double-layer support platform (1); a discharge pipe (202) is also connected to the side wall of the discharge conveying pipe (201); and a material collecting cover (203) is also provided at the end of the discharge pipe (202).

6. A closed vertical coke transport double-screw reclaimer according to claim 1, characterized in that: The material conveying pipe (2) is also provided with a transmission support seat (207) for limiting the shaking of the transmission assembly (6).

7. A closed vertical coke transport double-screw reclaimer according to claim 6, characterized in that: The transmission assembly (6) comprises a torque limiter (601) and a transmission shaft (604). The torque limiter (601) is fixed on the output shaft of the feed drive assembly (5). The two ends of the transmission shaft (604) are respectively connected to the torque limiter (601) and the feed reducer (8) through a universal coupling (602). A seat bearing (603) is also provided on the transmission shaft (604). The seat bearing (603) is fixedly matched with a transmission support seat (207) on the material conveying pipe (2) to achieve the limitation of the shaking of the transmission assembly (6).

8. The closed vertical coke transport double-screw reclaimer according to claim 1, characterized in that: The spiral flushing device (7) comprises a water inlet pipe (701), a metal hose (702) and a water outlet pipe (703); one end of the metal hose (702) is connected to the water inlet pipe (701), and the other end is connected to the inside of the material conveying pipe (2) via the water outlet pipe (703).

9. The closed vertical coke transport double-screw reclaimer according to claim 1, characterized in that: The feed reducer (8) is fixed on the material conveying pipe (2).

10. The closed vertical coke transport double-screw reclaimer according to claim 1, characterized in that: The reclaimer further comprises an auxiliary support assembly (13) for increasing the overall structural strength of the equipment, wherein the top end of the auxiliary support assembly (13) is fixed to the bottom surface of the double-layer support platform (1), and the bottom end is fixed to the outer wall surface of the material conveying pipe (2).

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