Multi-group double-paddle concentric reversal turbulent flow impact crushing system
By using a multi-set double-paddle concentric reverse turbulent impact crushing system, the problems of uneven output, high energy consumption, and severe wear of existing crushing equipment have been solved, achieving efficient and low-energy particle crushing, especially ultrafine crushing.
Patent Information
- Application Number
- CN202422993278.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Existing crushing equipment suffers from problems such as uneven particle size distribution, energy waste, ineffective abrasive impact, severe wear, and low crushing efficiency.
The system employs a combination of multiple sets of twin-blade concentric reversing turbulent impact crushers, coarse sand slurry tanks, slurry pumps, screening devices, and fine sand slurry tanks. It utilizes an intelligent measurement and control system to achieve multiple impacts and shearing crushing of particles, thereby optimizing crushing parameters.
It improves crushing efficiency, reduces energy consumption, enhances the uniformity of output particle size, and achieves ultrafine crushing of particles.
Smart Images
Figure CN223847053U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to material science and mechanical engineering technical field, concretely is a kind of multi-group double paddle concentric counter-current turbulent impingement comminution system. BACKGROUND
[0002] The main function of comminution system is to crush coarse-grained solid raw materials into fine-grained raw materials for further use. Comminution system is widely used in various industrial fields, including but not limited to cement production, silicate products, new building materials, refractory materials, fertilizer production, black and non-ferrous metal ore dressing and glass ceramics industries. In addition, comminution system also plays an important role in the preparation of nanomaterials, magnetic materials, biomedical field and electronic materials. In addition, comminution system can also be used in biomedical research, pharmaceutical industry, food industry, environmental monitoring, agriculture, etc.
[0003] Solid material crushing is usually based on impact, shear or friction to crush the material to the required particle size. The most commonly used crushing equipment is a mill (ball mill, rod mill). The barrel is filled with coarse-grained solid materials to be crushed and grinding materials (balls or rods). The barrel rotates to lift the materials and grinding materials (balls or rods) to a certain height, and then drops them. The grinding materials (balls or rods) collide with each other to crush the materials between them. In addition, the materials also break each other by colliding with each other. During the lifting of the materials, the materials, the barrel lining, and the grinding materials (balls or rods) rub against each other, reducing the particle size. There are a lot of invalid collisions between the grinding materials (balls or rods) during the operation of the mill. The collision speed between the materials is far from the required speed for particle breakage. The mill barrel lining and grinding balls (rods) are severely worn and consumed. The efficiency is low and the energy consumption is large.
[0004] In addition to the mill, common crushing equipment also includes air jet mill and paddle rapid rotation crusher.
[0005] The air jet mill has low single machine output and is currently mainly used for ultra-fine crushing of materials. In the working process of the paddle rapid rotation crusher, the materials rotate with the paddles, greatly reducing the relative speed of the materials and the paddles, which seriously affects the crushing efficiency. All materials move in the same direction, and the probability of collision between materials is small. Even if the materials collide with each other, the relative speed is low, which is not enough to break the particles.
[0006] In addition, the existing crushing equipment has uneven particle size distribution. A large number of particles with a particle size much smaller than the required particle size pass through the sieve, which is excessively ground, resulting in waste of energy.
[0007] Therefore, we propose a multi-group double paddle concentric counter-current turbulent impingement comminution system to solve the above problems. Utility model content
[0008] The utility model discloses a purpose at providing a kind of multi-group double paddle concentric counter-rotating turbulent impact crushing system, to solve the many problems of the existing crushing equipment presented in the above background art, such as uneven distribution of discharging particle size, energy waste;Invalid impact of grinding material in mill, the impact speed between materials is far from the speed required for particle breakage, in addition, mill cylinder lining plate, grinding ball (grinding rod) wear and tear is serious;Single machine output of air flow pulverizer is low;Material rotates with paddle rotation in paddle fast-rotating pulverizer, the relative speed of material and paddle is small, the probability of mutual impact between materials is smaller and the relative impact speed is low etc.
[0009] To achieve the above object, the utility model provides the following technical scheme:
[0010] A kind of multi-group double paddle concentric counter-rotating turbulent impact crushing system, including multi-group double paddle concentric counter-rotating turbulent impact crusher (hereinafter referred to as crusher), coarse sand slurry pool, slurry pump, screening device and fine sand slurry pool, coarse sand slurry pool is set in the feed end of crusher, and coarse particle slurry is supplied for crusher by slurry pump;Screening device is located below the discharge end of crusher, and the crusher falls into screening device, liquid and fine particle fall into fine sand slurry pool, and the remaining coarse particle is sent into coarse sand slurry pool by screening device.
[0011] Preferably, the double paddle concentric counter-rotating turbulent impact crusher includes a cabinet and one or more crushing devices disposed within the cabinet, as well as an intelligent measurement and control system.
[0012] Preferably, the crushing device is composed of a driving device, a core shaft, a sleeve shaft, an upper stirring paddle and a lower stirring paddle, wherein the upper stirring paddle is composed of multiple blades and is fixed on the sleeve shaft, the lower stirring paddle is composed of multiple blades and is fixed on the core shaft, the driving device drives the core shaft and the sleeve shaft to counter-rotate concentrically, thereby driving the upper stirring paddle and the lower stirring paddle to counter-rotate concentrically, and if there are two or more crushing devices, the adjacent two crushing devices rotate in opposite directions.
[0013] Preferably, the two side plates of the cabinet are welded or assembled by circular arc plates concentric with the core shaft.
[0014] Preferably, the intelligent measurement and control system includes an online particle size detector, a liquid level sensor and a control cabinet, wherein the online particle size detector is installed at the discharge end of the multi-group double paddle concentric counter-rotating turbulent impact crusher, the liquid level sensor is installed inside or on top of the cabinet, and the control cabinet is installed outside the cabinet.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] The crushing system can determine the diameter of the crushing paddle, the rotating speed, the driving power and the number of double paddle crushing devices according to the type of particulate material, the particle size before crushing, the particle size requirement after crushing, the output requirement, etc.
[0017] During operation, the upper and lower stirring paddles of the same pulverizer are counter-rotated concentrically, the adjacent two pulverizers rotate in opposite directions, the slurry in the machine box is in a turbulent state, and the blades high-speed impact solid particles while driving particles to impact each other.
[0018] The pulverizing system greatly improves the material pulverizing efficiency, reduces the material pulverizing energy consumption, and improves the uniformity of the discharge particle size. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 A system flowchart of the present application is shown in the figure.
[0020] Figure 2 A perspective structure diagram of the same-row double-paddle opposite pulverizer of the present application is shown in the figure.
[0021] Figure 3 A perspective structure top view of the same-row double-paddle opposite pulverizer of the present application is shown in the figure.
[0022] In the figure: 1, double-paddle counter-rotating turbulent impact pulverizer; 11, pulverizer; 111, driving device; 112, mandrel; 113, sleeve shaft; 114, upper stirring paddle; 115, lower stirring paddle; 12, machine box; 13, intelligent measurement and control system; 131, online particle size detector; 132, liquid level sensor; 133, control cabinet; 2, coarse sand slurry pool; 21, slurry pump; 3, screening device; 4, fine sand slurry pool. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] Embodiment one: please refer to Figure 1 - Figure 3The application relates to a multi-group double-paddle concentric reverse-turbulence impact crushing system, which comprises three groups of double-paddle concentric reverse-turbulence impact crushers 1, a coarse sand slurry pool 2, a slurry pump 21, a screening device 3 and a fine sand slurry pool 4. The coarse sand slurry pool 2 is arranged at the feeding end of the multi-group double-paddle concentric reverse-turbulence impact crushers 1, and the slurry pump 21 is used for supplying coarse-particle slurry to the multi-group double-paddle concentric reverse-turbulence impact crushers 1. The screening device 3 is arranged below the discharging end of the multi-group double-paddle concentric reverse-turbulence impact crushers 1, the slurry discharged from the outlet of the multi-group double-paddle concentric reverse-turbulence impact crushers 1 falls into the screening device 3, the liquid and fine particles fall into the fine sand slurry pool 4, and the remaining coarse particles are sent into the coarse sand slurry pool 2 by the screening device 3.
[0025] The double-paddle concentric reverse-turbulence impact crusher 1 comprises a machine box 12 and three impactors 11 arranged in the machine box 12, and an intelligent measurement and control system 13.
[0026] The impactor 11 is composed of a driving device 111, a core shaft 112, a sleeve shaft 113, an upper stirring paddle 114 and a lower stirring paddle 115. The upper stirring paddle 114 is composed of four blades and is fixed on the sleeve shaft 113, and the lower stirring paddle 115 is composed of four blades and is fixed on the core shaft 112. The driving device 111 drives the core shaft 112 and the sleeve shaft 113 to rotate in opposite directions, thereby driving the upper stirring paddle 114 and the lower stirring paddle 115 to rotate in opposite directions. The rotating directions of the two adjacent impactors 11 are opposite.
[0027] The two side plates of the machine box 12 are welded or assembled by arc plates concentric with the core shaft 112, so that the slurry can enter the working area of the next impactor 11 at high speed.
[0028] The intelligent measurement and control system 13 comprises an online particle size detector 131, a liquid level sensor 132 and a control cabinet 133. The online particle size detector 131 is installed at the discharging end of the multi-group double-paddle concentric reverse-turbulence impact crushers 1, the liquid level sensor 132 is installed in or on the top of the machine box 12, and the control cabinet 133 is fixedly installed on the outside of the machine box 12.
[0029] The working process of the crushing system is as follows:
[0030] The slurry in the coarse sand pool is sent into the working area of the first impactor 11 of the multi-group double-paddle concentric reverse-turbulence impact crushers 1 by the slurry pump 21.
[0031] The driving device 111 in the impactor 11 drives the lower stirring paddle 115 and the upper stirring paddle 114 to rotate in opposite directions at high speed through the core shaft 112 and the sleeve shaft 113, the paddle blades impact the solid particle materials at high speed, and the particle materials are driven to move at high speed. The upper and lower slurries move in opposite directions, the particles in the slurry are sheared and broken, and the particles moving in opposite directions collide with each other and are crushed.
[0032] The slurry is thrown by the high-speed stirring paddle blades into the working area of the second pulverizer 11, collides with the counter-rotating paddle blades and the slurry, and is broken again. Then, the slurry flows into the working area of the third pulverizer 11 at high speed, collides with the counter-rotating paddle blades and the slurry again, and is broken again. In this process, the arc-shaped side plates on both sides of the cabinet 12 form an arc-shaped flow channel for the slurry, so that the slurry can enter the working area of the next pulverizer 11 at high speed.
[0033] The slurry passes through the working areas of three pulverizers 11, in which the particles are broken by multiple collisions, and finally flows into the screening device 3 at the tail end of the multi-group double-paddle concentric counter-rotating turbulent impact crusher 1. The liquid and fine particles fall into the fine sand slurry pool 4 through the screen, and the remaining coarse particles are sent to the coarse sand slurry pool 2 by the screening device 3, mixed with the original material, and subjected to a new round of crushing.
[0034] During the crushing of the particles in the slurry, the online particle size detector 131 in the intelligent measurement and control system 13 automatically detects the particle size of the material discharged from the multi-group double-paddle concentric counter-rotating turbulent impact crusher 1, and the liquid level sensor 132 automatically measures the liquid level height of the slurry in the cabinet 12. The control cabinet 133 automatically controls the operating speed of the slurry pump 21 according to the particle size and liquid level detection results, and further controls the feeding speed of the multi-group double-paddle concentric counter-rotating turbulent impact crusher 1. The number of pulverizers 11 opened and the rotation speed of each pulverizer 11 are automatically determined to make the discharge of the crusher as close as possible to the crushing requirements.
[0035] The multi-group double-paddle concentric counter-rotating turbulent impact crushing system improves the uniformity of the particle size of the discharged material, greatly improves the crushing efficiency of the material, reduces the energy consumption of the material crushing, and at the same time, can further reduce the particle size to achieve ultra-fine crushing of the material particles.
[0036] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.
[0037] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.
Claims
1. A multi-group double-paddle concentric counter-rotating turbulent impact pulverizing system, comprising a multi-group double-paddle concentric counter-rotating turbulent impact pulverizer (1), a coarse sand slurry pool (2), a slag-containing slurry pump (21), a screening device (3) and a fine sand slurry pool (4), characterized in that: The coarse sand slurry pool (2) is arranged at the feeding end of the multiple groups of double-paddle concentric counter-rotating turbulent impact pulverizers (1), and supplies coarse particle slurry for the multiple groups of double-paddle concentric counter-rotating turbulent impact pulverizers (1) through the slurry pump (21); the screening device (3) is arranged below the discharging end of the multiple groups of double-paddle concentric counter-rotating turbulent impact pulverizers (1), and the slurry discharged from the outlet of the multiple groups of double-paddle concentric counter-rotating turbulent impact pulverizers (1) falls into the screening device (3), the liquid and fine particles fall into the fine sand slurry pool (4), and the remaining coarse particles are sent into the coarse sand slurry pool (2) by the screening device (3).
2. A multi-set double-paddle concentric counter-rotating turbulent impingement comminution system according to claim 1, characterized in that: The double-paddle concentric counter-rotating turbulent impact pulverizer (1) comprises a machine box (12), one or more pulverizers (11) arranged in the machine box (12), and an intelligent measurement and control system (13).
3. A multi-set double-paddle concentric counter-rotating turbulent impingement comminution system according to claim 2, wherein: Each of the pulverizers (11) comprises a driving device (111), a core shaft (112), a sleeve shaft (113), an upper stirring paddle (114) and a lower stirring paddle (115), wherein the upper stirring paddle (114) is composed of a plurality of blades and is fixed on the sleeve shaft (113), the lower stirring paddle (115) is composed of a plurality of blades and is fixed on the core shaft (112), and the driving device (111) drives the core shaft (112) and the sleeve shaft (113) to counter-rotate, thereby driving the upper stirring paddle (114) and the lower stirring paddle (115) to counter-rotate.
4. A multi-set double-paddle concentric counter-rotating turbulent impingement comminution system according to claim 2, wherein: The rotation directions of the two adjacent pulverizers (11) are opposite.
5. A multi-set twin impeller concentric counter-rotating turbulent impaction comminution system according to claim 2, wherein: The two side plates of the machine box (12) are welded or assembled by arc plates concentric with the core shaft (112).
6. A multi-set twin impeller concentric counter-rotating turbulent impaction comminution system according to claim 2, wherein: The intelligent measurement and control system (13) comprises an online particle size detector (131), a liquid level sensor (132) and a control cabinet (133), the online particle size detector (131) is installed at the discharging end of the multiple groups of double-paddle concentric counter-rotating turbulent impact pulverizers (1), the liquid level sensor (132) is installed inside or on top of the machine box (12), and the control cabinet (133) is fixedly installed outside the machine box (12).