A slurry particle automatic filtering device and method

Abstract

The application discloses a kind of automatic filtering device and method of slurry particle configuration, belong to building material processing technical field, including the first grinding conveying mechanism and the second grinding conveying mechanism connected in turn, first grinding conveying mechanism is composed of first casing and two first augers rotationally arranged in first casing, two first augers are engaged, and first auger shaft is fixed with first helical blade for conveying slurry and a plurality of grinding units for grinding particles;Second grinding conveying mechanism is composed of second casing and second auger rotationally arranged in second casing, and second auger shaft is fixed with second helical blade for conveying slurry and a plurality of grinding plates for grinding particles, and a plurality of grinding plates are matched with grinding plate in second casing along its axial direction, grinding plate is provided with a plurality of through holes, and the through hole of a plurality of grinding plates is sequentially reduced in the flow direction of slurry, to improve the production efficiency and quality of slurry.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building material processing, in particular to a slurry particle automatic filtering device and method. BACKGROUND

[0002] The block is a man-made block material made of concrete, industrial waste (slag, fly ash, etc.) or local materials, which is divided into concrete, cement mortar, aerated concrete, fly ash silicate, coal gangue, artificial ceramsite, slag waste, etc. according to the material; according to the structure of the block, it is divided into dense and hollow blocks, and the hollow blocks have round holes, square holes, oval holes, single-row holes, multi-row holes and other hollow blocks; dense or hollow blocks can be used as load-bearing walls and partitions.

[0003] At present, the slurry is screened separately after the raw materials are crushed, and the particles that do not meet the particle size requirements are screened out, but a large number of rejected particles will cause the material ratio in the raw materials to change, thereby affecting the quality of the subsequent block manufacturing; and the existing filtering device with particle grinding function can grind and stir the particles, but it needs to stop feeding the slurry outward during the grinding process, which cannot guarantee the continuous conveying of the slurry, greatly reduces the production efficiency, and cannot guarantee the particle size of the ground particles, and still needs to be screened out. SUMMARY

[0004] To solve the technical problems in the background art, the present application provides a slurry particle automatic filtering device and method.

[0005] The technical scheme of the present application is as follows:

[0006] In a first aspect, one embodiment of the present application provides a slurry particle automatic filtering device, comprising: a first grinding conveying mechanism and a second grinding conveying mechanism connected in sequence, the first grinding conveying mechanism is composed of a first shell and two first augers rotatably arranged in the first shell, the two first augers are engaged, a first spiral blade for conveying slurry and a plurality of grinding units for grinding particles are fixed on the auger shaft of the first auger, and the slurry can be ground between the grinding units of the two first augers during conveying to reduce the particle size of the particles; the second grinding conveying mechanism is composed of a second shell and a second auger rotatably arranged in the second shell, a second spiral blade for conveying slurry and a plurality of groups of grinding plates for grinding particles are fixed on the auger shaft of the second auger, a plurality of grinding plates matched with the grinding plates are arranged in the second shell along the axial direction, a plurality of through holes are arranged on the grinding plates, and the through holes on the plurality of grinding plates gradually decrease in the flow direction of the slurry, so that the particles can be gradually ground (from large particle size to small particle size) to meet the requirements of the particle size, the slurry can be screened, ground and stirred during conveying, the continuous conveying of the slurry can be realized, the particle size of the particles can meet the requirements without changing the material composition, and the production quality and production efficiency of the slurry are greatly improved.

[0007] As a further implementation manner, the first shell is horizontally arranged, a feeding port is fixedly installed above one end of the first shell, two parallel extrusion rollers are arranged in the feeding port, and the extrusion rollers are used for extruding the particles in the slurry to crush the particles with large particle size and high hardness, so as to facilitate subsequent grinding of the particles.

[0008] As a further implementation manner, the first spiral blade and the grinding units are alternately arranged along the axial direction of the first auger, so that the first auger has the functions of conveying and grinding, the slurry can be simultaneously ground and stirred during conveying, the uniform mixing between the slurry and the particles after grinding is ensured, the continuous conveying of the slurry is ensured, the slurry is alternately ground in the first auger, and the grinding efficiency and effect are greatly improved.

[0009] As a further implementation manner, the grinding unit is composed of a plurality of grinding rods, and the plurality of grinding rods are spirally and spaced arranged along the axial direction of the first auger.

[0010] As a further implementation manner, the auger shaft of the second auger is fixedly provided with a first grinding plate, a second grinding plate and a third grinding plate along the axial direction, and the first grinding plate, the second grinding plate and the third grinding plate are provided with second spiral blades on both sides.

[0011] As a further implementation manner, the first abrasive sheet, the second abrasive sheet and the third abrasive sheet are arranged along the ring direction of the auger shaft of the second auger, the second abrasive sheet is perpendicular to the axial direction of the second auger, and the first abrasive sheet and the third abrasive sheet are both inclined towards the second abrasive sheet.

[0012] As a further implementation manner, the first abrasive sheet, the second abrasive sheet and the third abrasive sheet are arranged along the ring direction of the auger shaft of the second auger, the second abrasive sheet is perpendicular to the axial direction of the second auger, and the first abrasive sheet and the third abrasive sheet are both inclined towards the second abrasive sheet.

[0013] As a further implementation manner, the first abrasive sheet, the second abrasive sheet and the third abrasive sheet are arranged along the ring direction of the auger shaft of the second auger, the second abrasive sheet is perpendicular to the axial direction of the second auger, and the first abrasive sheet and the third abrasive sheet are both inclined towards the second abrasive sheet.

[0014] As a further implementation manner, the first abrasive sheet, the second abrasive sheet and the third abrasive sheet are arranged along the ring direction of the auger shaft of the second auger, the second abrasive sheet is perpendicular to the axial direction of the second auger, and the first abrasive sheet and the third abrasive sheet are both inclined towards the second abrasive sheet.

[0015] In a second aspect, another embodiment of the present application provides a working method of configuring the automatic filtering device for slurry particles, which is specifically as follows.

[0016] The slurry is put into the feeding port, and the extrusion roller is used to extrude the slurry.

[0017] The extruded slurry is transported into the first shell, and the grinding rods on the two adjacent first augers are engaged to perform primary grinding on the particles during the transportation.

[0018] The slurry in the first shell is transported into the second shell and is spirally transported by the second auger, and the particles are gradually ground in stages by the cooperation between the first abrasive sheet and the first abrasive sheet, the second abrasive sheet and the second abrasive sheet, and the third abrasive sheet and the third abrasive sheet during the transportation.

[0019] The present application has the following beneficial effects:

[0020] (1) The slurry can be ground between the two first augers in the grinding unit during the conveying process to reduce the particle size of the particles; the second grinding conveying mechanism is provided with a plurality of through holes on the grinding plate, and the through holes on the plurality of grinding plates gradually decrease along the flow direction of the slurry, so that the particles can be gradually ground, so that the particle size of the particles finally meets the requirements, and the slurry can be screened, ground and stirred during the conveying process, so that the continuous conveying of the slurry can be realized, and the particle size of the particles can meet the requirements without changing the material composition, thereby greatly improving the production quality and production efficiency of the slurry.

[0021] (2) The first spiral blade and the grinding unit are alternately arranged along the axial direction of the first auger, so that the first auger has the functions of conveying and grinding, the slurry can be ground and stirred simultaneously during the conveying process, the uniform mixing between the slurry and the ground particles is ensured, the continuous conveying of the slurry is ensured, and the slurry is alternately ground in the first auger, so that the grinding efficiency and effect are greatly improved.

[0022] (3) The second grinding plate is perpendicular to the axial direction of the second housing, the first grinding plate and the third grinding plate are inclined towards the second grinding plate, the impact of the particles can be alleviated by the first grinding plate arranged in an inclined manner, the particles can be screened and ground by the cooperation of the first grinding plate and the first grinding plate, the inclined arrangement mode can make the slurry pass uniformly, then the second grinding plate and the second grinding plate can be used to cooperate with the second grinding plate to screen and grind the particles more fully and finely, finally, the third grinding plate and the third grinding plate can be used to cooperate with the third grinding plate to collect, screen and grind the particles, and the particle size of the particles in the slurry is effectively ensured. BRIEF DESCRIPTION OF DRAWINGS

[0023] In the drawings:

[0024] Figure 1 is a perspective structural schematic view (partially sectioned) of the automatic filtering device according to one or more embodiments of the present application;

[0025] Figure 2 is a sectional structural schematic view of the second housing according to one or more embodiments of the present application;

[0026] Figure 3 is a cooperation structural schematic view (first housing perspective) of the first auger according to one or more embodiments of the present application;

[0027] Figure 4 is a structural schematic view of the first grinding plate according to one or more embodiments of the present application;

[0028] Figure 5 is a structural schematic view of the second grinding plate according to one or more embodiments of the present application;

[0029] Figure 6 is a schematic view of a cross section structure of a third grinding plate according to one or more embodiments of the present application;

[0030] The components represented by the reference numerals in the drawings are as follows:

[0031] 1, feed inlet; 2, extrusion roller; 3, first housing; 4, first auger; 41, first auger shaft; 42, first helical blade; 43, grinding rod; 5, first drive motor; 6, material conveying pipe; 7, second housing; 71, first grinding plate; 72, second grinding plate; 73, third grinding plate; 731, first grinding part; 732, second grinding part; 8, second auger; 81, second auger shaft; 82, second helical blade; 83, first grinding sheet; 84, second grinding sheet; 85, third grinding sheet; 9, second drive motor. DETAILED DESCRIPTION

[0032] As introduced in the background, currently, the material slurry is screened after the raw material is crushed, and the particles not meeting the particle size requirement are screened out, but a large number of screened particles will cause the material ratio in the raw material to change, thereby affecting the subsequent block manufacturing quality; and the existing filtering device with a particle grinding function can grind and stir the particles, but it needs to stop conveying the material slurry outward in the grinding process, cannot guarantee the continuous conveying of the material slurry, greatly reduces the production efficiency, and cannot guarantee the particle size of the particles after grinding, and still needs to be screened out. In order to solve the above problems, the present application provides a kind of automatic filtering device and method for configuring material slurry particles. EMBODIMENT

[0033] In a typical embodiment of the present application, as shown in Figures 1-6 a kind of automatic filtering device for configuring material slurry particles is provided, which comprises: first grinding conveying mechanism and second grinding conveying mechanism connected in sequence, for grinding the particles not meeting the particle size requirement in the material slurry while conveying the material slurry.

[0034] Specifically, the first grinding conveying mechanism is composed of a feed inlet 1, a first housing 3 and two first augers 4. The first housing 3 is horizontally arranged, and the feed inlet 1 is fixedly installed above one end of the first housing 3 by welding or other methods, for feeding the material slurry into the first housing 3. The two first augers 4 are arranged in parallel and side by side in the first housing 3, and the first helical blades 42 between the two first augers 4 are meshed and crossed, that is, the width and helical degree of the first helical blades 42 on the two first augers 4 are the same, but the surrounding directions are opposite. The first helical blade 42 on one first auger 4 is inserted into the helical gap between the first helical blades 42 on the adjacent first auger 4. Both the two first augers 4 are driven by a first drive motor 5.

[0035] The feeding inlet 1 is provided with two parallel extrusion rollers 2 arranged horizontally for extruding the particles in the slurry to crush the particles with large size and hardness.

[0036] It can be understood that the extrusion rollers 2 are driven to rotate around the shaft by driving components such as driving motors, and the specific arrangement is a conventional means which will not be described in detail here.

[0037] The first auger 4 is composed of a first auger shaft 41, first spiral blades 42 and grinding rods 43. One end of the first auger shaft 41 is fixedly installed with a bearing and is fixedly installed on the inner wall of the first shell 3 through the bearing. The other end of the first auger shaft 41 is an extended end extending out of the first shell 3. A gear is fixedly installed on the shaft of the first auger shaft 41 adjacent to the extended end.

[0038] The extended end of one first auger shaft 41 is fixedly connected with the output end of the first driving motor 5 and is engaged with the gear on the other first auger shaft 41 through the gear, so that the first driving motor 5 can drive the first auger shaft 41 connected therewith to rotate around the shaft, and in turn drive the other first auger shaft 41 to rotate around the shaft through the cooperation between the two gears, so that the two parallel first auger shafts 41 rotate around the shaft at the same speed and in opposite directions (one counterclockwise and the other clockwise).

[0039] A plurality of groups of first spiral blades 42 and grinding units are fixedly installed on each first auger shaft 41. Each group of grinding units is composed of a plurality of grinding rods 43. The plurality of grinding rods 43 are arranged in a spiral interval around the axial direction of the first auger shaft 41. The grinding units on the two first auger shafts 41 are opposite in rotation direction and the same in interval, and the grinding units on the adjacent two first augers 4 are also engaged. The slurry can be ground between the grinding units of the two first augers 4 engaged with each other during the conveying process to reduce the particle size of the particulate matter.

[0040] The plurality of groups of first spiral blades 42 and grinding units are alternately arranged along the axial direction of the first auger shaft 41, so that the first auger 4 has the functions of conveying and grinding, can make the slurry simultaneously ground and stirred during the conveying process, ensure the uniform mixing between the slurry and the ground particulate matter, ensure the continuous conveying of the slurry, and at the same time, make the slurry alternately ground in the first auger 4, greatly improving the grinding efficiency and effect.

[0041] The discharge end of the first grinding and conveying mechanism is connected with the feeding end of the second grinding and conveying mechanism through the conveying pipe 6, so that the material slurry after primary grinding by the first auger 4 can be conveyed into the second grinding and conveying mechanism through the conveying pipe 6 for secondary grinding and screening, so as to ensure that the particle size of the particulate meets the requirements and is uniformly mixed with the material slurry, and the quality of the material slurry is ensured.

[0042] The first grinding and conveying mechanism is composed of a second shell 7 and a second auger 8 rotatably arranged in the second shell 7. The second shell 7 is horizontally arranged, and the second auger 8 is arranged with one and horizontally rotatably arranged in the second shell 7. One end of the second auger 8 is connected with the second driving motor 9.

[0043] The second auger 8 is composed of a second auger shaft 81, a second spiral blade 82 and three groups of grinding pieces, as shown in Figure 3 The second spiral blade 82 and the three groups of grinding pieces are fixedly installed on the second auger shaft 81. The three groups of grinding pieces are arranged in the axial direction of the second auger shaft 81. The second spiral blade 82 is arranged on both sides of each group of grinding pieces.

[0044] The first group of grinding pieces is composed of a plurality of first grinding pieces 83. The first grinding pieces 83 are arranged obliquely relative to the axial direction of the second auger shaft 81. The plurality of first grinding pieces 83 are arranged in the circumferential direction of the second auger shaft 81. The first grinding pieces 83 are used in cooperation with the first grinding plate 71 in the second shell 7 to achieve grinding of the particulate;

[0045] The second group of grinding pieces is composed of a plurality of second grinding pieces 84. The second grinding pieces 84 are arranged perpendicularly to the axial direction of the second auger shaft 81. The plurality of second grinding pieces 84 are arranged in the circumferential direction of the second auger shaft 81. The second grinding pieces 84 are used in cooperation with the second grinding plate 72 in the second shell 7 to achieve secondary grinding of the particulate;

[0046] The third group of grinding pieces is composed of a plurality of third grinding pieces 85. The third grinding pieces 85 are arranged obliquely relative to the axial direction of the second auger shaft 81. The plurality of third grinding pieces 85 are arranged in the circumferential direction of the second auger shaft 81. The third grinding pieces 85 are used in cooperation with the third grinding plate 73 in the second shell 7 to achieve tertiary grinding of the particulate.

[0047] Among them, the first grinding piece 83 and the third grinding piece 85 are inclined towards the direction of the second grinding piece 84. The third grinding piece 85 is divided into a vertical section and an inclined section.

[0048] As shown in Figure 2 The first grinding plate 71, the second grinding plate 72 and the third grinding plate 73 are fixedly installed in the second shell 7 and arranged in the axial direction of the second shell 7. The first grinding plate 71, the second grinding plate 72 and the third grinding plate 73 are coaxially arranged with the second shell 7.

[0049] The second auger shaft 81 passes through the center of the first grinding plate 71, the second grinding plate 72 and the third grinding plate 73, the first grinding sheet 83 is matched with the first grinding plate 71, the second grinding sheet 84 is matched with the second grinding plate 72, and the third grinding sheet 85 is matched with the third grinding plate 73.

[0050] The second grinding plate 72 is arranged vertically to the axial direction of the second auger shaft 81, the first grinding plate 71 and the third grinding plate 73 are arranged towards the second grinding plate 72, and the inclination direction and angle of the first grinding plate 71 are the same as those of the first grinding sheet 83, and the inclination direction and angle of the third grinding plate 73 are the same as those of the third grinding sheet 85.

[0051] The first grinding plate 71 is close to the feeding end of the second shell 7, the third grinding plate 73 is close to the discharging end of the second shell 7, and a plurality of through holes are arranged on the first grinding plate 71, the second grinding plate 72 and the third grinding plate 73, and the diameters of the through holes on the first grinding plate 71, the second grinding plate 72 and the third grinding plate 73 gradually decrease, so as to grind and screen the particle size of the particles.

[0052] In actual application, the impact of the particles can be relieved by the first grinding plate 71 arranged obliquely, the particles can be screened and ground by the cooperation of the first grinding plate 71 and the first grinding sheet 83, the particles can be more fully and finely screened and ground by the cooperation of the second grinding plate 72 and the second grinding sheet 84 arranged vertically, and finally the particles can be finally collected, screened and ground by the cooperation of the third grinding plate 73 and the third grinding sheet 85, so as to effectively ensure the particle size of the particles in the slurry.

[0053] The third grinding plate 73 is composed of a first grinding part 731 and a second grinding part 732, the first grinding part 731 is perpendicular to the axial direction of the second auger shaft 81, the second grinding part 732 is inclined towards the second grinding plate 72, one end of the second grinding part 732 is fixedly connected with the inside of the second shell 7, and the other end is fixedly connected with the first grinding part 731, so as to collect the particles to the first grinding part 731 for grinding, and facilitate to improve the passing speed of the slurry at the second grinding part 732.

[0054] It can be understood that the first grinding part 731 and the second grinding part 732 can be an integrally formed structure, or can be fixedly connected by welding, and the specific selection can be made according to actual needs. Embodiment

[0055] In another typical embodiment of the present application, a working method for configuring a slurry particle automatic filtering device is provided, and the specific steps are as follows:

[0056] Firstly, the slurry is put into the feeding port 1, and the slurry is extruded by the extrusion roller 2 to realize the extrusion crushing of the particles in the slurry;

[0057] The extruded slurry enters the first shell 3 and is helically conveyed under the action of the first auger 4. In the conveying process, the two adjacent first augers 4 mesh with each other, and the grinding rods 43 grind the particles for the first time to reduce the particle size, and stir to make the particles and the slurry uniformly mixed;

[0058] The slurry in the first shell 3 is conveyed to the second shell 7 through the conveying pipe 6, and is helically conveyed by the second auger 8. In the conveying process, the slurry passes through the first grinding plate 71, the second grinding plate 72 and the third grinding plate 73 in turn, and is ground in stages (from large particle size to small particle size) between the first grinding plate 71 and the first grinding sheet 83, the second grinding plate 72 and the second grinding sheet 84, and the third grinding plate 73 and the third grinding sheet 85, so that the particle size of the particles ultimately meets the requirements.

[0059] In this embodiment, the slurry is screened, ground and stirred during conveying, which can realize continuous conveying of the slurry, and can make the particle size meet the requirements without changing the material composition, greatly improving the production quality and production efficiency of the slurry.

Claims

1. An automatic filtration device for slurry particles, characterized in that, The first grinding conveying mechanism consists of a first housing (3) and two first augers (4) rotatably disposed within the first housing (3). The two first augers (4) mesh with each other. The auger shaft of the first auger (4) is fixedly provided with a first spiral blade (42) for conveying slurry and a number of grinding units for grinding particles. The second grinding conveying mechanism consists of a second housing (7) and a second auger (8) rotatably disposed within the second housing (7). The auger shaft of the second auger (8) is fixedly provided with a second spiral blade (82) for conveying slurry and a number of grinding discs for grinding particles. The second housing (7) is provided with a number of grinding plates that cooperate with the grinding discs at intervals along its axial direction. The grinding plates are provided with a number of through holes and the through holes on the grinding discs decrease in size sequentially along the flow direction of the slurry. The second auger (8) has a first grinding plate (83), a second grinding plate (84) and a third grinding plate (85) fixedly arranged on its auger shaft at intervals along its axial direction. The first grinding plate (83), the second grinding plate (84) and the third grinding plate (85) are provided with second spiral blades (82) on both sides. The first grinding disc (83), the second grinding disc (84) and the third grinding disc (85) are all arranged circumferentially along the auger shaft of the second auger (8). The second grinding disc (84) is perpendicular to the axial direction of the second auger (8). The first grinding disc (83) and the third grinding disc (85) are both inclined toward the second grinding disc (84). The second housing (7) is fixedly provided with a first grinding plate (71), a second grinding plate (72) and a third grinding plate (73) that cooperate with the first grinding plate (83), the second grinding plate (84) and the third grinding plate (85) along its axial distance. The first grinding plate (71) is close to the feed end of the second housing (7) and the third grinding plate (73) is close to the discharge end of the second housing (7). The second auger (8) passes through the first grinding plate (83), the second grinding plate (84) and the third grinding plate (85) in sequence.

2. The automatic filtration device for slurry particles according to claim 1, characterized in that, The first housing (3) is horizontally arranged, and a feed inlet (1) is fixedly installed above one end of the first housing (3). Two parallel extrusion rollers (2) are provided inside the feed inlet (1).

3. The automatic filtration device for slurry particles according to claim 1, characterized in that, The first spiral blade (42) and the grinding unit are alternately arranged along the axial direction of the first auger (4).

4. The automatic filtration device for slurry particles according to claim 3, characterized in that, The grinding unit consists of several grinding rods (43), which are arranged spirally at intervals around the first auger (4).

5. The automatic filtration device for slurry particles according to claim 1, characterized in that, The second grinding plate (72) is perpendicular to the axial direction of the second housing (7), and the first grinding plate (71) and the third grinding plate (73) are both inclined toward the second grinding plate (72).

6. The automatic filtration device for slurry particles according to claim 1, characterized in that, The third grinding plate (73) is composed of a first grinding part (731) and a second grinding part (732) fixedly connected together. The first grinding part (731) is perpendicular to the axial direction of the second auger (8), and the second grinding part (732) is inclined toward the second grinding plate (72).

7. A method for operating the automatic slurry particle removal device as described in any one of claims 1-6, characterized in that, Specifically as follows: The slurry is fed into the feed inlet (1) and squeezed by the extrusion roller (2); The extruded slurry enters the first housing (3) for conveying. During the conveying process, the grinding rods (43) meshing on the two adjacent first screw conveyors (4) perform initial grinding on the particles. The slurry in the first housing (3) is transported to the second housing (7) and conveyed by the second auger (8). During the conveying process, the slurry is successively ground by the cooperation between the first grinding plate (71) and the first grinding disc (83), the second grinding plate (72) and the second grinding disc (84), and the third grinding plate (73) and the third grinding disc (85).

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