Online continuous pulping system for petroleum catalyst
By using a two-stage pulping unit and multi-stage cutter head grinding, the problems of long time consumption and high cost in the existing technology have been solved, realizing a high-efficiency, low-energy-consumption catalyst pulping system and miniaturizing the equipment.
Patent Information
- Application Number
- CN202423299123.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing catalyst slurry preparation processes are time-consuming, energy-intensive, require large equipment, have high production costs, and are inefficient.
The system employs a two-stage pulping unit, including a primary stator-rotor grinding stage and a secondary wet grinding stage, combined with multi-stage cutter head cutting and particle collision grinding, to shorten processing time and improve output uniformity.
It significantly shortens processing time, reduces energy consumption and production costs, improves pulping efficiency, and significantly reduces equipment size.
Smart Images
Figure CN223747464U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of mixture pulping equipment, especially an online continuous pulping system for petroleum catalysts. BACKGROUND
[0002] Catalyst pulping usually adopts a grinding method, which grinds the materials multiple times to obtain uniform mixture materials. In the existing pulping method, the process takes a long time, for example, the preliminary stirring in the stirring tank needs 24-48 hours, and then the fine grinding is carried out in a ball mill. The whole process has high energy consumption and low efficiency, and the equipment has a large volume and high overall production cost. SUMMARY
[0003] In view of the above-mentioned shortcomings in the existing production technology, the applicant provides an online continuous pulping system for petroleum catalysts, which is divided into a primary pulping unit and a secondary crushing and grinding unit. Both the two-stage preparation units are mixture preparation units, which are different from the existing technology of first single material stirring and then mixing ball grinding. The processing time is greatly shortened, the processing cost is reduced, and the uniformity of the discharged material is improved.
[0004] The technical scheme adopted by the utility model is as follows:
[0005] An online continuous pulping system for petroleum catalysts comprises, in sequence, a feeding assembly, a primary pulping unit, a secondary crushing and grinding unit, and a discharging assembly,
[0006] The primary pulping unit adopts a stator-rotor grinding structure to receive the pre-stirred materials. The secondary crushing and grinding unit adopts a wet grinding structure. The wet grinding structure comprises a crushing cavity and a crushing knife located in the crushing cavity. The crushing knife adopts a multi-stage cutter disc to cut the mixed materials.
[0007] As a further improvement of the above technical scheme:
[0008] The feeding assembly comprises a feeding port and a feeding protection filter connected between the feeding port and the primary pulping unit.
[0009] The stator-rotor grinding structure comprises a stator grinding head and a rotor grinding head, both of which are double-phase stainless steel grinding heads.
[0010] The crushing knife comprises a fixed cutter disc and a rotating cutter disc, and the rotating cutter disc is provided with a plurality of blades.
[0011] The cutting surfaces of the fixed cutter disc and the rotating cutter disc are located in the horizontal plane.
[0012] A pipe valve is connected between the primary pulping unit and the secondary crushing and grinding unit, and controls the on-off of the material conveying path between the primary pulping unit and the secondary crushing and grinding unit.
[0013] The discharge assembly comprises a secondary discharge diaphragm pump and a discharge port arranged in sequence.
[0014] The cooling temperature range of the whole grinding is 7-15 DEG C.
[0015] The processing capacity of the whole grinding is 500-5000 L / h.
[0016] The total power of the whole grinding is lower than 100 KW.
[0017] The beneficial effects of the utility model are as follows:
[0018] The utility model adopts two-stage grinding, each stage is wet material grinding, compared with the mode of first stirring dry material by a stirring tank and then long-time grinding wet material by a ball mill in conventional technology, the equipment of the utility model can significantly shorten the grinding time, reduce energy consumption, increase efficiency and significantly reduce equipment size.
[0019] The utility model accepts the simple pre-stirring material of the preceding sequence, has low requirement for the pre-stirring material and can accept the coarse material stirred for only 2-3 hours, the coarse material with particles enters the first pulping unit, visible particles are ground by the stator-rotor structure, then enters the second crushing and grinding unit, smaller suspended particles are ground by the wet grinding mode, and the finished material with precision of 20 mu is obtained.
[0020] Compared with conventional technology, the utility model can obtain the same quality of mixed material in shorter time and lower power consumption. DETAILED DESCRIPTION
[0021] Figure 1 It is the overall structure front view of the utility model.
[0022] Figure 2 It is the overall structure top view of the utility model.
[0023] Figure 3 It is the grinding structure schematic view of the first pulping unit of the utility model.
[0024] Figure 4 It is the second crushing and grinding unit structure schematic view of the utility model.
[0025] Figure 5 It is the fixed cutter disc structure schematic view of the second crushing and grinding unit of the utility model.
[0026] Figure 6 It is the rotating cutter disc structure schematic view of the second crushing and grinding unit of the utility model.
[0027] Figure 7 It is another rotating cutter disc structure schematic view of the second crushing and grinding unit of the utility model.
[0028] Figure 8 The third rotating cutter disc structure diagram of the two-stage crushing and grinding unit of the utility model.
[0029] Figure 9 The fourth rotating cutter disc structure diagram of the two-stage crushing and grinding unit of the utility model.
[0030] 1, the feeding assembly; 2, the primary pulping unit; 3, the two-stage crushing and grinding unit; 4, the discharging assembly; 5, the pipe valve piece;
[0031] 101, the feeding port; 102, the feeding protection filter;
[0032] 201, the stator grinding head; 202, the rotor grinding head;
[0033] 301, the crushing cavity; 302, the fixed cutter disc; 303, the rotating cutter disc; 304, the cutting edge;
[0034] 401, the two-stage discharging diaphragm pump; 402, the discharging port. DETAILED DESCRIPTION
[0035] The specific implementation of the utility model will be described below in combination with the drawings.
[0036] As Figures 1-9 shown, the petroleum catalyst online continuous pulping system of the embodiment includes the feeding assembly 1, the primary pulping unit 2, the two-stage crushing and grinding unit 3, the discharging assembly 4 arranged in sequence,
[0037] The primary pulping unit 2 adopts the stator-rotor grinding structure to receive the pre-mixed material; the two-stage crushing and grinding unit 3 adopts the wet grinding structure; the wet grinding structure includes the crushing cavity 301 and the crushing cutter in the crushing cavity 301; the crushing cutter adopts the multi-stage cutter disc to cut the mixed material.
[0038] The feeding assembly 1 includes the feeding port 101 and the feeding protection filter 102 received between the feeding port 101 and the primary pulping unit 2.
[0039] The stator-rotor grinding structure includes the stator grinding head 201 and the rotor grinding head 202; both the stator grinding head 201 and the rotor grinding head 202 adopt the duplex stainless steel grinding head.
[0040] The crushing cutter includes the fixed cutter disc 302 and the rotating cutter disc 303; the rotating cutter disc 303 is provided with a plurality of cutting edges 304.
[0041] The cutting surfaces of the fixed cutter disc 302 and the rotating cutter disc 303 are located in the horizontal plane.
[0042] A pipe valve 5 is connected between the first pulping unit 2 and the second crushing and grinding unit 3, and the pipe valve 5 controls the opening and closing of the material conveying path between the first pulping unit 2 and the second crushing and grinding unit 3.
[0043] The discharge assembly 4 comprises a second discharge diaphragm pump 401 and a discharge port 402 arranged in sequence.
[0044] The cooling temperature range of the whole grinding is 7-15 DEG C.
[0045] The processing capacity of the whole grinding is 500-5000 L / h.
[0046] The total power of the whole grinding is lower than 100KW.
[0047] The specific structure and working principle of the utility model are as follows:
[0048] As shown in Figure 1 and Figure 2 , it is a whole machine structure schematic diagram, and the previous process is pre-stirring, which can be realized by using stirring tank and other equipment. The requirement of pre-stirring is low, and only semi-finished product needs to be provided, so the pre-stirring time can be controlled within 2-3 hours to obtain semi-finished slurry with particles, which is input into the pulping unit.
[0049] The structure of the first pulping unit 2 is referred to Figure 3 , and the fixed rotor grinding is adopted. The fixed rotor grinding is adopted.
[0050] The structure of the second crushing and grinding unit 3 is shown in Figure 4 , and the fixed cutter head 302 as shown in Figure 5 and the rotating cutter head 303 as shown in Figures 6-9 are used for grinding. The position of the fixed cutter head 302 is fixed and immovable, and a plurality of cutting edges 304 are arranged on the rotating cutter head 303.
[0051] Due to the grinding principle of the second crushing and grinding unit 3, in addition to the cutting of the cutting edge 304, the grinding principle of particle collision and repeated cutting is also used, so that a plurality of cutting edges 304, especially cutting edges 304 with different orientations, are arranged on one rotating cutter head 303 to improve the grinding fineness.
[0052] As shown in Figure 6 , a plurality of cutting edges 304 are arranged on each spoke of the wheel-shaped rotating cutter head 303, and the end of the spoke can also be designed as a bevel cutting edge 304.
[0053] As an alternative embodiment, as shown in FIG. 4, the blade 304 is arranged in a bent shape at the end of each spoke. Figure 7 Figure 6 As an alternative embodiment, as shown in FIG. 5, the blade 304 is arranged in a bent shape at the end of each spoke. Figure 7 As an alternative embodiment, as shown in FIG. 6, the blade 304 is arranged in a bent shape at the end of each spoke.
[0054] Figure 8 As an alternative embodiment, as shown in FIG. 7, the blade 304 is arranged in a bent shape at the end of each spoke. Figure 7 As an alternative embodiment, as shown in FIG. 8, the blade 304 is arranged in a bent shape at the end of each spoke.
[0055] Figure 9 As an alternative embodiment, as shown in FIG. 9, the blade 304 is arranged in a bent shape at the end of each spoke.
[0056] In addition, the feeding assembly 1 of the present embodiment comprises a feeding port 101 and a feeding protection filter 102, and the discharging assembly 4 comprises a secondary discharging diaphragm pump 401 and a discharging port 402. The feeding protection filter 102 and the secondary discharging diaphragm pump 401 are commercially available parts, and thus are not described herein.
[0057] The above description is an explanation of the present utility model, not a limitation of the utility model. The scope of the present utility model is defined in the claims, and any modification within the scope of the present utility model is possible.
Claims
1. An on-line continuous slurry system for petroleum catalysts, characterized by: The feeding assembly (1), the first pulping unit (2), the second crushing and grinding unit (3) and the discharging assembly (4) are sequentially arranged, The first pulping unit (2) adopts a stator-rotor grinding structure to receive the pre-mixed material; the second crushing and grinding unit (3) adopts a wet grinding structure; the wet grinding structure comprises a crushing cavity (301) and a crushing knife located in the crushing cavity (301), and the crushing knife adopts a multi-stage cutter disc to cut the mixed material.
2. The on-line continuous slurry system for petroleum catalysts according to claim 1, characterized in that: The feeding assembly (1) comprises a feeding port (101) and a feeding protection filter (102) connected between the feeding port (101) and the first pulping unit (2).
3. The on-line continuous slurry system for petroleum catalysts of claim 1 wherein: The stator-rotor grinding structure comprises a stator grinding head (201) and a rotor grinding head (202), and both the stator grinding head (201) and the rotor grinding head (202) adopt a duplex stainless steel grinding head.
4. The on-line continuous slurry system for petroleum catalysts of claim 1 wherein: The crushing knife comprises a stator cutter disc (302) and a rotating cutter disc (303), and the rotating cutter disc (303) is provided with a plurality of blades (304) in different directions.
5. The on-line continuous slurry system for petroleum catalysts of claim 4 wherein: The cutting surfaces of the stator cutter disc (302) and the rotating cutter disc (303) are located in a horizontal plane.
6. The on-line continuous slurry system for petroleum catalysts of claim 1 wherein: A pipe valve (5) is connected between the first pulping unit (2) and the second crushing and grinding unit (3), and the pipe valve (5) controls the opening and closing of the material conveying path between the first pulping unit (2) and the second crushing and grinding unit (3).
7. The on-line continuous slurry system for petroleum catalysts of claim 1 wherein: The discharging assembly (4) comprises a second discharging diaphragm pump (401) and a discharging port (402) arranged in sequence.
8. The on-line continuous slurry system for petroleum catalysts of claim 1 wherein: The cooling temperature of the overall grinding is 7-15℃.
9. The on-line continuous slurry preparation system for petroleum catalysts as claimed in claim 1, wherein: The processing capacity of the overall grinding is 500-5000L / h.
10. The on-line continuous slurry preparation system for petroleum catalysts of claim 1 wherein: The total power of the overall grinding is less than 100KW.