Fischer-Tropsch synthesis residue wax resource utilization device

By designing a Fischer-Tropsch synthetic slag wax resource utilization device, including feed, heat analysis and cooling components, the problems of energy consumption and low production efficiency in the prior art are solved, and efficient thermal analysis and continuous processing of slag wax are achieved.

CN119588247APending Publication Date: 2025-03-11XIAN UNIV OF SCI & TECH
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Patent Information

Application Number
CN202411811197.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-03-11

AI Technical Summary

Technical Problem

In the existing Fischer-Tropsch synthetic slag wax treatment technology, high temperature treatment leads to waste of energy, lacks continuous processing, and has low production efficiency.

Method used

A Fischer-Tropsch synthetic slag wax resource utilization device is designed, including a feed assembly, a thermal analysis assembly and a cooling assembly. The slag wax is extruded and crushed through the feed assembly. The heat analysis assembly uses a thermal analysis plate and agitating assembly for thermal analysis, and is quickly cooled by cooling the assembly to avoid agglomeration.

Benefits of technology

The efficiency of thermal analysis of slag wax is improved, the continuous treatment of slag wax is realized, energy consumption and waste are reduced, and subsequent removal of slag wax is facilitated.

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Abstract

The invention discloses a Fischer-Tropsch synthesis wax residue resource utilization device, and relates to the technical field of Fischer-Tropsch synthesis wax residue treatment, the Fischer-Tropsch synthesis wax residue resource utilization device comprises a feeding assembly, a thermal desorption assembly and a cooling assembly, the thermal desorption assembly comprises a plurality of thermal desorption plates arranged in a pyrolysis tank, the thermal desorption plates are uniformly arranged in the length direction of the pyrolysis tank, and the cooling assembly is arranged in the pyrolysis tank; a central shaft penetrates through the centers of the plurality of thermal desorption plates, and a stirring assembly is arranged between every two adjacent thermal desorption plates. The wax residue is subjected to thermal desorption through the arranged thermal desorption plate, meanwhile, the wax residue is stirred through the stirring assembly, so that the thermal desorption efficiency is further improved, the liquid wax residue obtained after thermal desorption enters the cooling tank, the wax residue is rapidly cooled through the arranged cooling assembly, the liquid wax residue is prevented from caking after being cooled, and the service life of the wax residue is prolonged. And high-temperature gas generated in the thermal desorption process of the thermal desorption plate flows through the preheating pipe, so that the wax residue entering from the feeding part is preheated.
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Description

Technical Field

[0001] The invention relates to the technical field of Fischer-Tropsch synthesis slag wax processing, and in particular to a Fischer-Tropsch synthesis slag wax resource utilization device. Background Art

[0002] Fischer-Tropsch synthesis, also known as FT synthesis, is a process that uses synthesis gas (a mixture of carbon monoxide and hydrogen) as a raw material to synthesize liquid hydrocarbons or hydrocarbons in the presence of a catalyst and appropriate conditions. During the Fischer-Tropsch synthesis process, a large amount of residual wax is produced. Generally, high-temperature treatment is used to treat the residual wax.

[0003] In the prior art, a resource utilization device is usually used to perform high-temperature treatment on the residual wax. The gas generated by the combustion of the residual wax is discharged into the air, and the temperature of the gas generated by the combustion is also around 110°C. If the heat of the gas is not recovered, energy consumption will be wasted. In addition, the existing resource utilization device is not convenient for realizing continuous treatment of thermal analysis of the residual wax from feeding to collection, and the production efficiency is low.

[0004] In view of this, the present invention is proposed. Summary of the invention

[0005] The purpose of this application is to provide a Fischer-Tropsch synthesis slag wax resource utilization device, comprising:

[0006] A feed assembly, the feed assembly comprises a feed part and a preheating tube, the preheating tube is wound around the feed part, the feed part is connected to a pyrolysis tank, and either end of the preheating tube is connected to the pyrolysis tank;

[0007] A thermal analysis component, the thermal analysis component includes a plurality of thermal analysis plates arranged in a pyrolysis tank, the plurality of thermal analysis plates are evenly arranged along the length direction of the pyrolysis tank, a central axis is arranged through the center of the plurality of thermal analysis plates, a stirring component is arranged between two adjacent thermal analysis plates, the central axis is driven by a first driving motor, and the pyrolysis tank is connected to a cooling tank;

[0008] A cooling component is arranged on the cooling tank.

[0009] Furthermore, the stirring assembly includes a mounting plate sleeved on the central axis, and a plurality of stirring blades are evenly arranged on the mounting plate.

[0010] Furthermore, the feed part includes a rotating shaft and a feed cylinder, the feed cylinder is arranged on the pyrolysis tank, the feed cylinder has a discharge port and a feed port, and the discharge port is connected to the pyrolysis tank;

[0011] The rotating shaft is movably arranged in the feed barrel, and the axis of the rotating shaft coincides with the axis of the feed barrel. The rotating shaft is provided with spiral blades, which abut against the inner wall of the feed barrel. A second drive motor is provided at one end of the feed barrel away from the discharge port, and the output shaft of the second drive motor is connected to the rotating shaft.

[0012] Further, the cooling assembly includes a plurality of heat sinks, a spiral tube and a cooling box, the plurality of heat sinks are evenly attached to the cooling tank, and the spiral tube portion is located within the plurality of heat sinks;

[0013] The two ends of the spiral tube are respectively connected to a cooling box, a pump body is arranged in the cooling box, and an output end of the pump body is connected to any end of the spiral tube.

[0014] Furthermore, the cooling tank has a movably connected sealing door.

[0015] Furthermore, a vibration motor is arranged at the bottom of the cooling tank, and the vibration motor is used to drive the cooling tank to vibrate.

[0016] Furthermore, the pyrolysis tank has a discharge port, the discharge port is connected to a discharge pipe, the discharge pipe is connected to a connecting pipe, and the connecting pipe is connected to the cooling tank at one end away from the discharge pipe.

[0017] Furthermore, a coolant is arranged in the cooling box, and the coolant flows through the spiral tube and the cooling box.

[0018] Furthermore, an electric valve and a liquid pump are arranged on the discharge pipe.

[0019] By adopting the above technical solution, the present invention has the following beneficial effects:

[0020] The slag wax is fed through the set feeding component, and the slag wax is squeezed and crushed at the same time, which is convenient for the subsequent thermal analysis of the slag wax. The slag wax is thermally analyzed by the set thermal analysis plate, and is stirred by the stirring component, so that the efficiency of thermal analysis is further improved. The liquid slag wax after the thermal analysis enters the cooling tank, and the slag wax is quickly cooled by the set cooling component to avoid agglomeration of the liquid slag wax after cooling, thereby facilitating the subsequent removal of the slag wax. The high-temperature gas generated during the thermal analysis of the thermal analysis plate flows through the preheating pipe, so as to preheat the slag wax entering the feeding part.

[0021] The specific implementation modes of the present invention are further described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are part of this application and are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0023] Figure 1 A schematic diagram of the structure of a Fischer-Tropsch slag wax resource utilization device provided in an embodiment of the present application;

[0024] Figure 2 A schematic diagram of the structure of a thermal analysis component of a Fischer-Tropsch slag wax resource utilization device provided in an embodiment of the present application;

[0025] Figure 3 A schematic diagram of the structure of a feed assembly of a Fischer-Tropsch slag wax resource utilization device provided in an embodiment of the present application;

[0026] Figure 4 A schematic diagram of the structure of the spiral blades of the feed assembly provided in an embodiment of the present application.

[0027] Figure numerals: 1. pyrolysis tank; 2. cooling tank; 3. feeding assembly; 4. cooling assembly; 5. connecting pipe; 6. thermal analysis assembly; 7. electric valve; 8. liquid pump; 11. discharge pipe; 21. sealing door; 31. feeding barrel; 32. second driving motor; 33. feeding port; 34. preheating tube; 35. rotating shaft; 36. spiral blade; 41. heat sink; 42. spiral tube; 43. cooling box.

[0028] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0029] See also Figures 1 to 4 As shown, the embodiment of the present application provides a Fischer-Tropsch synthesis slag wax resource utilization device, including: a feed component 3, a thermal analysis component 6 and a cooling component 4, the feed component 3 includes a feed part and a preheating pipe 34, the preheating pipe 34 is wound on the feed part, the feed part is connected to the pyrolysis tank 1, either end of the preheating pipe 34 is connected to the pyrolysis tank 1, the thermal analysis component 6 includes a plurality of thermal analysis plates 62 arranged in the pyrolysis tank 1, and a heating coil is arranged on the thermal analysis plate 62. After the heating coil is energized, the slag wax in the pyrolysis tank 1 is heated and analyzed. At high temperature, the slag wax will Various chemical reactions occur, and thermal analysis causes the gas in the residual wax to precipitate. A plurality of thermal analysis plates 62 are evenly arranged along the length direction of the pyrolysis tank 1. A central shaft 61 is provided through the center of the plurality of thermal analysis plates 62. Both ends of the central shaft 61 are movably provided at both ends of the pyrolysis tank 1. A stirring component is provided between two adjacent thermal analysis plates 62. The central shaft 61 is driven by a first driving motor 65. The pyrolysis tank 1 is connected to the cooling tank 2. The cooling component 4 is provided on the cooling tank 2. The first driving motor 65 is started to drive the central shaft 61 to rotate through its output end.

[0030] In the above scheme, the residual wax is fed through the set feeding component 3, and the residual wax is squeezed and crushed at the same time, so as to facilitate the subsequent thermal analysis of the residual wax. The residual wax is thermally analyzed by the set thermal analysis plate 62, and is stirred by the stirring component, so that the efficiency of thermal analysis is further improved. The liquid residual wax after thermal analysis enters the cooling tank 2, and the residual wax is quickly cooled by the set cooling component 4 to avoid the liquid residual wax from agglomerating after cooling, so as to facilitate the subsequent removal of the residual wax. The high-temperature gas generated during the thermal analysis of the thermal analysis plate 62 flows through the preheating pipe 34, so as to preheat the residual wax entering the feeding part.

[0031] In some possible implementations, see Figure 2 As shown, the stirring assembly includes a mounting plate 63 sleeved on the central axis 61, and a plurality of stirring blades 64 are evenly arranged on the mounting plate 63. The mounting plate 63 is arranged parallel to the thermal analysis plate 62. The rotation of the central axis 61 drives the mounting plate 63 to rotate, thereby driving the plurality of stirring blades 64 on the mounting plate 63 to rotate synchronously, so that the plurality of stirring blades 64 stir the residual wax in the pyrolysis tank 1.

[0032] In some possible implementations, see Figure 3 As shown, the feeding part includes a rotating shaft 35 and a feeding barrel 31. The feeding barrel 31 is arranged on the pyrolysis tank 1. The feeding barrel 31 has a discharge port and a feed port 33. The discharge port is communicated with the pyrolysis tank 1. The rotating shaft 35 is movably arranged in the feeding barrel 31, and the axis of the rotating shaft 35 coincides with the axis of the feeding barrel 31. The rotating shaft 35 is provided with a spiral blade 36, and the spiral blade 36 abuts against the inner wall of the feeding barrel 31. A second driving motor 32 is provided at the end of the feeding barrel 31 away from the discharge port, and the output shaft of the second driving motor 32 is connected to the rotating shaft 35.

[0033] In the above scheme, when feeding, the second drive motor 32 is controlled to start, and the second drive motor 32 starts to drive the rotating shaft 35 to rotate through its output shaft. The rotation of the rotating shaft 35 drives the spiral blade 36 to rotate, and the rotation of the spiral blade 36 drives the residual wax between the spiral blades 36 to be spirally fed, so that the residual wax enters the pyrolysis tank 1 through the discharge port. It should be noted that the spacing between adjacent blades of the spiral blade 36 can be gradually reduced. While the residual wax is spirally fed, the residual wax is crushed to facilitate the subsequent pyrolysis in the pyrolysis tank 1.

[0034] In some possible implementations, see Figure 1As shown, the cooling assembly 4 includes a plurality of heat sinks 41, a spiral tube 42 and a cooling box 43. The heat sink 41 is an arc-shaped structure. The plurality of heat sinks 41 are evenly attached to the cooling tank 2. The spiral tube 42 is partially located inside the plurality of heat sinks 41. Both ends of the spiral tube 42 are respectively connected to the cooling box 43. A pump body is provided inside the cooling box 43. The output end of the pump body is connected to either end of the spiral tube 42. Coolant is provided inside the cooling box 43. The coolant flows through the spiral tube 42 and the cooling box 43.

[0035] In the above scheme, when the residual wax in the cooling tank 2 is cooled, the heat sink 41 absorbs the heat in the cooling tank 2. The contact area between the heat sink 41 and the cooling tank 2 is large, so that the heat absorption efficiency is good. The pump body is controlled to start, and the pump body starts to extract the coolant in the cooling box 43, so that the coolant flows through the spiral tube 42 and the cooling box 43. During the circulation of the coolant, the coolant circulating in the spiral tube 42 absorbs the heat on the heat sink 41, thereby completing the cooling of the residual wax.

[0036] In some possible implementations, see Figure 1 As shown, the cooling tank 2 has a hinged sealing door 21, which is convenient for opening the cooling tank 2 and taking out the granular wax or block wax therein.

[0037] In some possible embodiments, a vibration motor (not shown in the figure) is provided at the bottom of the cooling tank 2, and the vibration motor is used to drive the cooling tank 2 to vibrate. The vibration of the cooling tank 2 facilitates the granular wax or block wax therein to fall off from the inner wall of the cooling tank 2, thereby facilitating removal.

[0038] In some possible implementations, see Figure 1 As shown, the pyrolysis tank 1 has a discharge port, the discharge port is connected to a discharge pipe 11, the discharge pipe 11 is connected to a connecting pipe 5, and the connecting pipe 5 is connected to the cooling tank 2 at one end away from the discharge pipe 11.

[0039] In some possible implementations, see Figure 1 As shown, the discharge pipe 11 is provided with an electric valve 7 and a liquid pump 8, and the electric valve 7 and the liquid pump 8 are used to open the discharge pipe 11 so that the liquid residual wax in the pyrolysis tank 1 is pumped into the cooling tank 2 for cooling.

[0040] The slag wax is fed through the set feeding component 3, and the slag wax is squeezed and crushed at the same time, so as to facilitate the subsequent thermal analysis of the slag wax. The slag wax is thermally analyzed by the set thermal analysis plate 62, and is stirred by the stirring component, so that the efficiency of thermal analysis is further improved. The liquid slag wax after the thermal analysis enters the cooling tank 2, and the slag wax is quickly cooled by the set cooling component 4 to avoid the liquid slag wax from agglomerating after cooling, so as to facilitate the subsequent removal of the slag wax. The high-temperature gas generated during the thermal analysis of the thermal analysis plate 62 flows through the preheating pipe 34, so as to preheat the slag wax entering the feeding part.

[0041] This specific embodiment is merely an explanation of the invention and is not a limitation of the invention. After reading this specification, those skilled in the art may make non-creative modifications to this embodiment as needed. However, as long as they are within the scope of protection of the invention, they are protected by patent law.

Claims

1. A Fischer-Tropsch synthesis slag wax resource utilization device, characterized in that: include: A feed assembly (3), the feed assembly (3) comprising a feed portion and a preheating pipe (34), the preheating pipe (34) being wound around the feed portion, the feed portion being connected to a pyrolysis tank (1), and either end of the preheating pipe (34) being connected to the pyrolysis tank (1); A thermal analysis component (6), the thermal analysis component (6) comprising a plurality of thermal analysis plates (62) arranged in the thermal decomposition tank (1), the plurality of thermal analysis plates (62) being evenly arranged along the length direction of the thermal decomposition tank (1), a central axis (61) being arranged through the center of the plurality of thermal analysis plates (62), a stirring component being arranged between two adjacent thermal analysis plates (62), the central axis (61) being driven by a first driving motor (65), and the thermal decomposition tank (1) being connected to a cooling tank (2); A cooling component (4), wherein the cooling component (4) is arranged on the cooling tank (2).

2. The Fischer-Tropsch synthesis slag wax resource utilization device according to claim 1, characterized in that: The stirring assembly comprises a mounting plate (63) sleeved on the central shaft (61), and a plurality of stirring blades (64) are evenly arranged on the mounting plate (63).

3. The Fischer-Tropsch synthesis slag wax resource utilization device according to claim 1, characterized in that: The feed part comprises a rotating shaft (35) and a feed cylinder (31), wherein the feed cylinder (31) is arranged on the pyrolysis tank (1), and the feed cylinder (31) has a discharge port and a feed port (33), wherein the discharge port is connected to the pyrolysis tank (1); The rotating shaft (35) is movably arranged in the feeding barrel (31), and the axis of the rotating shaft (35) coincides with the axis of the feeding barrel (31). The rotating shaft (35) is provided with a spiral blade (36), and the spiral blade (36) abuts against the inner wall of the feeding barrel (31). A second driving motor (32) is provided at one end of the feeding barrel (31) away from the discharge port, and the output shaft of the second driving motor (32) is connected to the rotating shaft (35).

4. The Fischer-Tropsch synthesis slag wax resource utilization device according to claim 1, characterized in that: The cooling assembly (4) comprises a plurality of heat dissipation plates (41), a spiral tube (42) and a cooling box (43); the plurality of heat dissipation plates (41) are evenly attached to the cooling tank (2); and the spiral tube (42) is partially located inside the plurality of heat dissipation plates (41); Both ends of the spiral tube (42) are respectively connected to the cooling box (43); a pump body is arranged inside the cooling box (43); and an output end of the pump body is connected to either end of the spiral tube (42).

5. The Fischer-Tropsch slag wax resource utilization device according to claim 4, characterized in that: The cooling tank (2) has a movably connected sealing door (21).

6. The Fischer-Tropsch slag wax resource utilization device according to claim 5, characterized in that: A vibration motor is arranged at the bottom of the cooling tank (2), and the vibration motor is used to drive the cooling tank (2) to vibrate.

7. The Fischer-Tropsch slag wax resource utilization device according to claim 6, characterized in that: The pyrolysis tank (1) has a discharge port, the discharge port is connected to a discharge pipe (11), the discharge pipe (11) is connected to a connecting pipe (5), and the connecting pipe (5) is connected to the cooling tank (2) at one end away from the discharge pipe (11).

8. The Fischer-Tropsch slag wax resource utilization device according to claim 4, characterized in that: A cooling liquid is arranged in the cooling box (43), and the cooling liquid flows through the spiral tube (42) and the cooling box (43).

9. The Fischer-Tropsch slag wax resource utilization device according to claim 7, characterized in that: The discharge pipe (11) is provided with an electric valve (7) and a liquid pump (8).