Screw conveyer for recycling tert-butylamine
By designing a screw conveyor with crushing blades and cleaning brushes, the problems of poor material crushing effect and lack of filtration function of the feeding screw were solved, achieving efficient crushing and filtration of materials, and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202520015976.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-03
AI Technical Summary
In existing tert-butylamine recovery processes, the feeding screw has poor dispersion effect and lacks filtration function, resulting in high equipment costs, multiple processes, and low production efficiency.
A screw conveyor was designed, comprising a conveyor body, a feeding screw, crushing blades, a cleaning brush, and a filter screen. During the conveying process, the material is crushed by the crushing blades and filtered through the filter screen. The cleaning brush cleans the filter screen to prevent clogging, and the filter screen is removable for easy cleaning.
This technology enables simultaneous crushing and filtration during material transportation, improving product quality, reducing equipment costs, simplifying processes, and enhancing filtration efficiency and production effectiveness.
Smart Images

Figure CN223575380U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to tertiary butyl amine recycling equipment technical field, specifically relates to spiral conveyor for tertiary butyl amine recycling. BACKGROUND
[0002] Tertiary butyl amine is an organic synthesis raw material, is used to synthesize medicine, rubber vulcanization accelerator, insecticide, fungicide and dye colorant, also can be used as solvent. In the production process of TBBS (namely N-tertiary butyl-2-benzothiazole sulfenamide) rubber accelerator, M (namely 2-mercapto benzothiazole, molecular weight 167.24) is reacted with excessive tertiary butyl amine under the action of oxidant, and the material after reaction is washed by water and dehydrated and dried, and the finished product is obtained. The mother liquor and washing water are distilled to recover excessive tertiary butyl amine, and the remaining material after oxygen distillation is washed by water in a centrifuge, dehydrated and washed to PH = 7, and dried to obtain TBBS. The dried TBBS is sent into the next process by a feeding screw rod and is packed, since the dried TBBS is partially caked, the existing feeding screw rod has poor scattering effect and does not have filtering function, therefore, in order to meet the needs of customers for powdery TBBS, a new crushing and filtering device needs to be added to scatter and filter TBBS, which has high equipment cost, many processes and reduces production efficiency. Therefore, the spiral conveyor for tertiary butyl amine recycling is needed to solve the above technical problems. SUMMARY
[0003] In view of the above defects in the prior art, the utility model provides a spiral conveyor for tertiary butyl amine recycling, which comprises a conveyor body, a feeding hopper is arranged on the upper part of one end of the conveyor body, a discharge pipe is arranged at the other end of the conveyor body, a feeding screw rod is arranged in the conveyor body, one end of the feeding screw rod penetrates through the conveyor body and is connected with a stepping motor; a rotating shaft is arranged in the discharge pipe, a crushing blade is arranged on the rotating shaft, one end of the rotating shaft is fixedly connected with one end of the feeding screw rod, a cleaning brush is connected with the other end of the rotating shaft, a filter screen is arranged at the discharge end of the discharge pipe, and the bristles of the cleaning brush are in contact with the filter screen.
[0004] Preferably, the filter screen is detachably connected with the discharge pipe, the discharge end of the discharge pipe is provided with external threads, the external threads are threadedly connected with a mounting ring, and the filter screen is arranged on the mounting ring. The filter screen can be flexibly detached according to needs, and the filter screen and the discharge pipe can be cleaned.
[0005] Preferably, a T-shaped connecting pipe is arranged in the mounting ring, a large-diameter end of the connecting pipe is rotationally connected with the inner wall of the mounting ring through a bearing, a small-diameter end of the connecting pipe extends into the discharge pipe and is fixedly connected with the filter screen, a sliding block is fixed to the outer wall of the small-diameter end of the connecting pipe, a sliding groove is arranged on the inner wall of the discharge pipe corresponding to the sliding block, the sliding groove is parallel to the axial direction of the discharge pipe, and the sliding block is slidingly arranged in the sliding groove. The cooperation of the sliding groove and the sliding block avoids the rotation of the filter screen when the cleaning brush sweeps the filter screen, does not affect the cleaning effect, and does not affect the installation of the mounting ring and the discharge pipe.
[0006] Preferably, at least one group of the crushing blades is arranged along the axial direction of the rotating shaft, and the arrangement of multiple groups of the crushing blades can improve the crushing effect.
[0007] Preferably, the crushing blades are also fixed to the cleaning brush, and the arrangement of the crushing blades can continue to crush the material that is not filtered out by the filter screen until the material passes through the filter screen.
[0008] The utility model also includes other components capable of enabling the tertiary butylamine recycling spiral conveyor to be normally used, such as the control components of the stepping motor, and all are the conventional technical means in the field. In addition, the devices or components not defined in the utility model, such as the feeding screw rod and the cleaning brush, all adopt the conventional technical means and conventional equipment in the field.
[0009] Working principle: the material enters the conveyor body from the feeding hopper, the stepping motor drives the feeding screw rod and the rotating shaft to rotate, the feeding screw rod transports the material in the conveyor body to the discharge pipe, the material is crushed by the rotating crushing blade after entering the discharge pipe, and the crushed material is discharged after being filtered by the filter screen. In the above process, the cleaning brush continuously sweeps the filter screen to avoid the blockage of the filter screen and affect the filtering and discharging effects.
[0010] The utility model has the advantages of simple and reasonable structure, low equipment cost, no additional process, crushing and filtering operation in the material transportation process, improved product quality, cleaning of the filter screen in the filtering process, reduced blockage of the filter screen, improved filtering effect, detachable filter screen, convenient use and facilitation of production. BRIEF DESCRIPTION OF DRAWINGS
[0011] The utility model will be further described in connection with the drawings and embodiments.
[0012] Figure 1 It is a structure schematic view of the tertiary butylamine recycling spiral conveyor in the utility model embodiment 1.
[0013] Figure 2 It is a structure schematic view of the tertiary butylamine recycling spiral conveyor in the utility model embodiment 2.
[0014] Figure 3 It is a structure schematic view of the tertiary butylamine recycling spiral conveyor in the utility model embodiment 3.Figure 1 enlarged view at B in the figure;
[0015] Figure 4 for Figure 2 enlarged view at B in the figure.
[0016] In the figure: 1, conveyor body; 2, feed hopper; 3, stepping motor; 4, feeding screw; 5, discharge pipe; 6, rotating shaft; 7, crushing blade; 8, cleaning brush; 9, mounting ring; 10, connecting pipe; 11, chute; 12, sliding block; 13, filter screen. DETAILED DESCRIPTION
[0017] The utility model will be described clearly below in combination with the drawings in the embodiments of the utility model and specific embodiments, the description herein is only used to explain the utility model, but not as the limitation of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor, any modification, equivalent replacement, improvement etc. should be contained in the protection scope of the utility model.
[0018] Embodiment 1
[0019] As Figure 1 shown, the utility model provides a spiral conveyor for tertiary butylamine recovery, including conveyor body 1, the upper portion of one end of conveyor body 1 has feed hopper 2, and the other end of conveyor body 1 is equipped with discharge pipe 5, and the feeding screw 4 is equipped in conveyor body 1, and one end of feeding screw 4 is connected with stepping motor 3 after penetrating conveyor body 1;Rotating shaft 6 is equipped in discharge pipe 5, and crushing blade 7 is equipped on rotating shaft 6, and one end of rotating shaft 6 is fixedly connected with one end of feeding screw 4, and cleaning brush 8 is connected to the other end of rotating shaft 6, and the discharge end of discharge pipe 5 is equipped with filter screen 13, and the bristles of cleaning brush 8 contact with filter screen 13.
[0020] Material enters the conveyor body from the feed hopper, and the stepping motor drives the feeding screw and the rotating shaft to rotate, and the feeding screw transports the material in the conveyor body to the discharge pipe, and the material is crushed by the rotating crushing blade after entering the discharge pipe, and the crushed material is discharged after filtering through the filter screen, and in the above process, the cleaning brush continuously cleans the filter screen, to avoid the filter screen from being blocked and affecting the filtering and discharging effect.
[0021] Embodiment 2
[0022] As Figures 2-4The utility model provides a spiral conveyor for tertiary butylamine recovery, including conveyor body 1, the upper portion of one end of conveyor body 1 has feeding hopper 2, and the other end of conveyor body 1 is equipped with discharge pipe 5, and the inside of conveyor body 1 is equipped with feeding screw rod 4, and one end of feeding screw rod 4 is connected with step motor 3 after penetrating conveyor body 1, the inside of discharge pipe 5 is equipped with shaft 6, be equipped with broken blade 7 on the shaft 6, and one end of the shaft 6 is fixedly connected with one end of feeding screw rod 4, and the other end of the shaft 6 is connected with cleaning brush 8, and the discharge end of discharge pipe 5 is equipped with filter screen 13, and the bristle of cleaning brush 8 contacts with filter screen 13.
[0023] The filter screen 13 is detachably connected with the discharge pipe 5, the discharge end of the discharge pipe 5 is provided with external threads, the external threads are threadedly connected with a mounting ring 9, and the filter screen 13 is arranged on the mounting ring 9. The filter screen 13 can be flexibly detached according to needs, and the filter screen 13 and the discharge pipe 5 can be cleaned.
[0024] The mounting ring 9 is provided with a T-shaped connecting pipe 10, the large-diameter end of the connecting pipe 10 is rotatably connected with the inner wall of the mounting ring 9 through a bearing, the small-diameter end of the connecting pipe 10 extends into the discharge pipe 5 and is fixedly connected with the filter screen 13, the outer wall of the small-diameter end of the connecting pipe 10 is fixedly provided with a sliding block 12, the inner wall of the discharge pipe 5 corresponding to the sliding block 12 is provided with a sliding groove 11, the sliding groove 11 is parallel to the axial direction of the discharge pipe 5, and the sliding block 12 is slidably arranged in the sliding groove 11. The sliding groove 11 and the sliding block 12 are matched to avoid the rotation of the filter screen 13 when the cleaning brush 8 sweeps the filter screen 13, so that the cleaning effect is not affected, and the mounting of the mounting ring 9 and the discharge pipe 5 is not affected.
[0025] The broken blade 7 is arranged in at least one group along the axial direction of the shaft 6, and multiple groups of the broken blade 7 can improve the crushing effect.
[0026] The broken blade 7 is also fixed on the cleaning brush 8, and the material not filtered out by the filter screen 13 can be further crushed until it passes through the filter screen 13.
[0027] The above has described the embodiment of the utility model, and the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A screw conveyor for tert-butylamine recovery, comprising a conveyor body, a feed hopper at the upper part of one end of the conveyor body, a discharge pipe at the other end of the conveyor body, a feeding screw inside the conveyor body, one end of the feeding screw penetrating the conveyor body and connected to a stepper motor; characterized in that: The discharge pipe is equipped with a rotating shaft, on which a crushing blade is mounted. One end of the rotating shaft is fixedly connected to one end of a feeding screw, and the other end of the rotating shaft is connected to a cleaning brush. The discharge end of the discharge pipe is equipped with a filter screen, and the bristles of the cleaning brush are in contact with the filter screen.
2. The screw conveyor for tert-butylamine recovery according to claim 1, characterized in that: The filter screen is detachably connected to the discharge pipe. The discharge end of the discharge pipe is provided with an external thread, and the external thread is threaded with a mounting ring. The filter screen is mounted on the mounting ring.
3. The screw conveyor for tert-butylamine recovery according to claim 2, characterized in that: The mounting ring is equipped with a T-shaped connecting pipe. The large-diameter end of the connecting pipe is rotatably connected to the inner wall of the mounting ring through a bearing. The small-diameter end of the connecting pipe extends into the discharge pipe and is fixedly connected to the filter screen. A slider is fixed on the outer wall of the small-diameter end of the connecting pipe. A groove is provided on the inner wall of the discharge pipe corresponding to the slider. The slider is slidably disposed in the groove.
4. The screw conveyor for tert-butylamine recovery according to claim 1, characterized in that: The crushing blades are arranged in at least one set along the axial direction of the rotating shaft.
5. The screw conveyor for tert-butylamine recovery according to claim 1, characterized in that: The cleaning brush is also equipped with a crushing blade.