A fischer-tropsch wax heel treatment system
By using a servo motor-driven rotating shaft and stirring assembly, combined with an arc-shaped plate and counterweight assembly, the problem of dead zones in the Fischer-Tropsch wax residue processing equipment has been solved, achieving efficient and thorough wax residue stirring and improving processing efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGXIA POLARIS CHEM CO LTD
- Filing Date
- 2025-06-25
- Publication Date
- 2026-06-09
AI Technical Summary
Existing Fischer-Tropsch wax residue processing equipment has dead zones in the mixing process, resulting in low processing efficiency and difficulty in thoroughly mixing the bottom corners.
The rotating shaft and stirring assembly are driven by a servo motor, combined with an arc plate and counterweight assembly. By periodically changing the position and state of the wax residue, and with the help of scrapers and scraping pads, dead corners are avoided, the load on the rotating shaft is reduced, and the thoroughness of stirring is improved.
It achieves efficient mixing of wax residue, avoids dead zones, improves processing efficiency, and reduces equipment load.
Smart Images
Figure CN224337507U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of wax residue treatment technology, and in particular a Fischer-Tropsch wax residue treatment system. Background Technology
[0002] Fischer-Tropsch synthesis is the main reaction process in coal-to-oil conversion. The syngas produced from coal gasification is used to efficiently synthesize light hydrocarbons, heavy oils, heavy waxes, and other liquid fuels and chemicals under Fischer-Tropsch catalyst and appropriate reaction conditions. After Fischer-Tropsch synthesis, the catalyst is usually discharged from the unit as wax residue. Since the wax residue contains 20-75% wax, it is first filtered by the wax removal system inside the Fischer-Tropsch reactor to recover most of the liquid wax, resulting in filtered wax residue. The filtered wax residue still contains 40-60% wax and a large amount of spent catalyst. Fischer-Tropsch wax residue treatment equipment processes the wax residue. Traditional treatment equipment uses a circulating stirring method because there may be dead zones in the agitation; however, this method has generally low efficiency, and there is still a possibility that some residue at the bottom and corners may not be treated.
[0003] A search revealed a Chinese patent document (authorization announcement number CN217312910U) entitled "A Wax Slag Stirring and Decomposition Device," comprising a stirring and decomposition tank and a sedimentation tank. A stirring motor is located at the top center of the stirring and decomposition tank, connected to a coupling, and a stirring shaft is connected to the coupling. A feed inlet is located at the top of the stirring and decomposition tank. In actual use, the upper stirring paddle, the middle straight paddle, and the lower stirring paddle on the stirring shaft can thoroughly stir the material in the stirring and decomposition tank, thereby achieving complete decomposition of the material. However, the processing equipment in this patent uses a circulating stirring method because there are dead zones in the stirring; however, this method has generally low processing efficiency, and there is still a possibility that the bottom corners may not be processed. Utility Model Content
[0004] The purpose of this invention is to provide a Fischer-Tropsch wax residue treatment system to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a Fischer-Tropsch wax residue treatment system, comprising:
[0006] The processing tank is equipped with a stirring assembly for mixing the Fischer-Tropsch wax residue on its outer periphery, and a feed pipe with a solenoid valve is connected to the top side of the processing tank.
[0007] The counterweight assembly is located on the outer periphery of the processing tank and is rotatably connected to the processing tank via a rotating shaft. The counterweight assembly is U-shaped, and a servo motor that provides power to the rotating shaft is installed on the outer wall of the counterweight assembly.
[0008] An arc-shaped plate is welded to the transverse inner wall of the counterweight assembly. A pressure sensor is installed at the top of the arc-shaped plate. The measuring part of the pressure sensor is connected to a T-shaped support plate. A rubber protective pad is glued to the top of the support plate.
[0009] Multiple levels are installed on the outer perimeter of the processing tank.
[0010] As a preferred embodiment, the stirring assembly includes:
[0011] A rotary motor is installed on the outer periphery of the processing tank, and the output shaft of the rotary motor passes through the processing tank and is connected to a rotating rod.
[0012] Both scrapers are welded to the outer circumference of the rotating rod and are C-shaped.
[0013] As a preferred embodiment, multiple stirring blades are welded between the scraper and the rotating rod to enhance the mixing effect, and a rubber pad is adhered to the outer periphery of the scraper.
[0014] As a preferred embodiment, the counterweight component includes:
[0015] The counterweight plate has two electric push rods mounted on its top.
[0016] Two vertical support plates are respectively connected and fixed to the moving parts of two electric push rods.
[0017] As a preferred embodiment, four limiting rods are welded to the top of the counterweight plate, a circular channel adapted to the limiting rods is opened at the bottom of the vertical support plate, and multiple circular holes for bolts to pass through are opened at the top of the counterweight plate.
[0018] As a preferred embodiment, a viewing window is embedded in the outer periphery of the processing tank for easy observation.
[0019] As a preferred embodiment, the outer periphery of the treatment tank is equipped with multiple vibrators to enhance the treatment effect of Fischer-Tropsch wax residue.
[0020] Compared with the prior art, the technical effects and advantages of this utility model are as follows:
[0021] Thanks to the design of the Fischer-Tropsch wax residue treatment system, the servo motor is periodically activated during the stirring process of the stirring components, driving the rotating shaft and the treatment tank to rotate and change the position and state of the Fischer-Tropsch wax residue. Compared with the circulation design, it can not only avoid dead corners, but also be more efficient.
[0022] Thanks to the design of the arc-shaped plate and configuration components, this Fischer-Tropsch wax residue treatment system allows the electric push rod to retract when temporary support is needed after the treatment tank has rotated to a certain angle. This indirectly drives the treatment tank to move downward, allowing the protective pad of the support plate to support the treatment tank, thus achieving temporary support and reducing the burden on the rotating shaft and servo motor.
[0023] This Fischer-Tropsch wax residue treatment system benefits from the design of the mixing components. The rotary motor drives the rotating rod to rotate, which in turn drives the mixing blades and scrapers to rotate, thus achieving uniform mixing of the Fischer-Tropsch wax residue. The cooperation between the scrapers and the scraper pads can minimize the occurrence of dead corners in the treatment tank and improve the thoroughness of mixing.
[0024] This Fischer-Tropsch wax residue treatment system can not only rotate to avoid dead angles, but also adjust the support to reduce the burden on the rotating shaft and servo motor. Attached Figure Description
[0025] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0026] Figure 1 This is a schematic diagram of the structure of this utility model;
[0027] Figure 2 This is a front view of the stirring assembly of this utility model;
[0028] Figure 3 This is a left-side view of the arc-shaped plate and protective pad of this utility model;
[0029] Figure 4 This is a cross-sectional view of the counterweight plate and the vertical support plate of this utility model.
[0030] Explanation of reference numerals in the attached figures:
[0031] In the picture:
[0032] 1. Processing tank; 2. Agitator assembly; 3. Counterweight assembly; 4. Feed pipe; 5. Servo motor; 6. Arc plate; 7. Pressure sensor; 8. Support plate; 9. Protective pad; 10. Level; 11. Vibrator;
[0033] 21. Rotary motor; 22. Rotating rod; 23. Scraper; 24. Agitator blade; 25. Scraper pad;
[0034] 31. Counterweight plate; 32. Electric push rod; 33. Vertical support plate; 34. Limiting rod. Detailed Implementation
[0035] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.
[0036] Unless otherwise defined, the directions mentioned herein, such as up, down, left, right, front, back, inside, and outside, are based on the directions shown in the figures of this utility model, and are explained here together.
[0037] The connection method can adopt existing methods such as bonding, welding, and bolting, depending on the actual needs. Techniques, methods and equipment known to those skilled in the art may not be discussed in detail. However, where appropriate, the techniques, methods and equipment should be regarded as part of the specification. The proportions of the components in the drawings are for reference only and can be adjusted to a certain extent according to the actual use.
[0038] This application pertains to one step in the Fischer-Tropsch wax residue treatment process, but not all of the operations.
[0039] Please see Figures 1 to 4 As shown, a Fischer-Tropsch wax residue treatment system, in this embodiment, includes:
[0040] The top side of the processing tank 1 is connected to a feed pipe 4 with a solenoid valve. When the rotating motor 21 and the feed pipe 4 are in the upper position, the solenoid valve of the feed pipe 4 is opened to introduce Fischer-Tropsch wax residue and other materials that need to be provided into the processing tank 1. Then the solenoid valve of the feed pipe 4 is closed. After stirring, the feed pipe 4 is adjusted to the lower position and the solenoid valve of the feed pipe 4 is opened to discharge the material.
[0041] The counterweight assembly 3 is set on the outer periphery of the processing tank 1 and is rotatably connected to the processing tank 1 via a rotating shaft. The counterweight assembly 3 is U-shaped. A servo motor 5 that provides power to the rotating shaft is installed on the outer wall of the counterweight assembly 3. The servo motor 5 is turned on periodically to drive the rotating shaft and the processing tank 1 to rotate, thereby changing the position and state of the Fischer-Tropsch wax residue.
[0042] The outer diameter, length and height of the processing tank 1 are the same. When feeding, it should be filled as full as possible while ensuring safe and good processing, so as to reduce the rotational burden on the servo motor 5.
[0043] The arc-shaped plate 6 is welded to the transverse inner wall of the counterweight assembly 3. A pressure sensor 7 is installed at the top of the arc-shaped plate 6. The measuring part of the pressure sensor 7 is connected to a T-shaped support plate 8. A rubber protective pad 9 is glued to the top of the support plate 8. The protective pad 9 will not affect the normal rotation of the processing tank 1. When the electric push rod 32 retracts, it can support the processing tank 1.
[0044] Multiple levels 10 are installed on the outer periphery of the treatment tank 1 to facilitate staff understanding of the adjustment angle of the treatment tank 1 and the stirring of the treatment tank 1. When temporary support is required, the adjustment is usually ninety degrees.
[0045] A stirring assembly 2 for mixing Fischer-Tropsch wax residue is installed on the outer periphery of the processing tank 1. The stirring assembly 2 includes:
[0046] A rotary motor 21 is installed on the outer periphery of the processing tank 1, and the output shaft of the rotary motor 21 passes through the processing tank 1 and is connected to a rotating rod 22.
[0047] Two scrapers 23 are welded to the outer periphery of the rotating rod 22, and are C-shaped. Multiple stirring blades 24 are welded between the scrapers 23 and the rotating rod 22 to enhance the mixing effect. When the rotary motor 21 is turned on, the rotary motor 21 drives the rotating rod 22 to rotate, which in turn drives the stirring blades 24 and scrapers 25 to rotate, thus achieving the mixing of Fischer-Tropsch wax residue. Rubber scraper pads 25 are bonded to the outer periphery of the scrapers 23. The cooperation between the scrapers 23 and the scraper pads 25 can minimize the occurrence of dead corners in the processing tank 1 and improve the thoroughness of mixing.
[0048] Counterweight component 3 includes:
[0049] The counterweight plate 31 has two electric push rods 32 mounted on its top.
[0050] Two vertical support plates 33 are respectively connected and fixed to the moving parts of two electric push rods 32. Four limit rods 34 are welded to the top of the counterweight plate 31. The bottom of the vertical support plate 33 is provided with a circular channel that matches the limit rods 34. The top of the counterweight plate 31 is provided with multiple circular holes for bolts to pass through. After the processing barrel 1 rotates to a certain angle, if temporary support is required, the electric push rod 32 is controlled to retract, which indirectly drives the processing barrel 1 to move down, so that the protective pad 9 of the support plate 8 supports the processing barrel 1, thereby achieving temporary support and reducing the burden on the rotating shaft and servo motor 5.
[0051] The outer periphery of the treatment tank 1 is fitted with a viewing window for easy observation. Multiple vibrators 11 are installed on the outer periphery of the treatment tank 1 to improve the treatment effect of Fischer-Tropsch wax residue. The operation of the vibrators 11 can improve the stirring effect of the stirring assembly 2.
[0052] Servo motor 5, pressure sensor 7, level 10, vibrator 11, rotary motor 21, and electric push rod 32 are all conventional instruments. Their working principles, dimensions, and models are irrelevant to the function of this application, so they will not be described in detail. The control method of this utility model is through a controller. The control circuit of the controller can be implemented by a person skilled in the art through simple programming. In order to facilitate the inspection, maintenance, and parts replacement of the device, the parts inside a single device are usually from the same manufacturer and of the same model, function, and batch. Therefore, even if there is a certain difference between two or more electrical control devices, the synchronous movement of the electrical control devices can still be maintained under the action of the controller. The power supply is also common knowledge in the field. Furthermore, this utility model is mainly used to protect mechanical devices, so the control method and circuit connection will not be explained in detail in this utility model.
[0053] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology.
[0054] Working principle
[0055] In this Fischer-Tropsch wax residue processing system, when the rotary motor 21 and the feed pipe 4 are in the upper position, the solenoid valve of the feed pipe 4 is opened to introduce Fischer-Tropsch wax residue and other materials that need to be provided into the processing tank 1. Then, the solenoid valve of the feed pipe 4 is closed, and the rotary motor 21 is turned on. The rotary motor 21 drives the rotating rod 22 to rotate, which in turn drives the stirring blade 24 and the scraper 25 to rotate, thus achieving the mixing of Fischer-Tropsch wax residue. During the stirring process of the stirring component 2, the servo motor 5 is turned on periodically to drive the rotating shaft and the processing tank 1 to rotate, changing the position and state of the Fischer-Tropsch wax residue. After the processing tank 1 rotates to a certain angle, if temporary support is required, the electric push rod 32 is controlled to retract, indirectly driving the processing tank 1 to move down, so that the protective pad 9 of the support plate 8 supports the processing tank 1, achieving temporary support and reducing the burden on the rotating shaft and the servo motor 5.
[0056] After mixing, adjust the feed pipe 4 to be at the bottom and open the solenoid valve of the feed pipe 4 to feed the material.
[0057] It should be noted that, in this document, relational terms such as "one" and "two" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0058] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A Fischer-Tropsch wax residue treatment system, characterized in that, include: The processing tank (1) is equipped with a stirring assembly (2) for stirring the Fischer-Tropsch wax residue on its outer periphery, and a feed pipe (4) with a solenoid valve is connected to the top side of the processing tank (1). The counterweight assembly (3) is set on the outer periphery of the processing barrel (1) and is rotatably connected to the processing barrel (1) via a rotating shaft. The counterweight assembly (3) is U-shaped, and a servo motor (5) that provides power to the rotating shaft is installed on the outer wall of the counterweight assembly (3). An arc plate (6) is welded to the transverse inner wall of the counterweight assembly (3). A pressure sensor (7) is installed at the top of the arc plate (6). A T-shaped support plate (8) is connected to the measuring part of the pressure sensor (7). A rubber protective pad (9) is glued to the top of the support plate (8). Multiple levels (10) are installed on the outer periphery of the processing tank (1).
2. The Fischer-Tropsch wax residue treatment system according to claim 1, characterized in that, The stirring assembly (2) includes: A rotary motor (21) is installed on the outer periphery of the processing tank (1), and the output shaft of the rotary motor (21) passes through the processing tank (1) and is connected to a rotating rod (22). Two scrapers (23) are welded to the outer periphery of the rotating rod (22) and are C-shaped.
3. The Fischer-Tropsch wax residue treatment system according to claim 2, characterized in that, Multiple stirring blades (24) for improving the mixing effect are welded between the scraper (23) and the rotating rod (22), and a rubber scraper pad (25) is bonded to the outer periphery of the scraper (23).
4. The Fischer-Tropsch wax residue treatment system according to claim 1, characterized in that, The counterweight component (3) includes: A counterweight plate (31) is provided, and two electric push rods (32) are installed at the top of the counterweight plate (31). Two vertical support plates (33) are respectively connected and fixed to the moving parts of two electric push rods (32).
5. The Fischer-Tropsch wax residue treatment system according to claim 4, characterized in that, The top of the counterweight plate (31) is welded with four limiting rods (34), the bottom of the vertical support plate (33) is provided with a circular channel that matches the limiting rods (34), and the top of the counterweight plate (31) is provided with multiple circular holes for bolts to pass through.
6. The Fischer-Tropsch wax residue treatment system according to claim 2, characterized in that, The processing barrel (1) has a viewing window embedded in its outer periphery for easy observation.
7. The Fischer-Tropsch wax residue treatment system according to claim 6, characterized in that, The outer periphery of the treatment tank (1) is equipped with multiple vibrators (11) to enhance the treatment effect of Fischer-Tropsch wax residue.