CN115193885A - Two-way pre-cutting and refining device for massive filter cakes and secondary crushing and slitting mechanism for filter cakes - Google Patents
Two-way pre-cutting and refining device for massive filter cakes and secondary crushing and slitting mechanism for filter cakes Download PDFInfo
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- CN115193885A CN115193885A CN202210808291.1A CN202210808291A CN115193885A CN 115193885 A CN115193885 A CN 115193885A CN 202210808291 A CN202210808291 A CN 202210808291A CN 115193885 A CN115193885 A CN 115193885A
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- 239000012065 filter cake Substances 0.000 title claims abstract description 256
- 238000007670 refining Methods 0.000 title claims abstract description 106
- 230000005540 biological transmission Effects 0.000 claims abstract description 69
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 22
- 230000033001 locomotion Effects 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 67
- 239000000463 material Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000001035 drying Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 11
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/32—Compressing or compacting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/38—Stirring or kneading
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
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Abstract
The invention relates to a large filter cake bidirectional pre-cutting and refining device and a filter cake secondary crushing and slitting mechanism, and the key points of the innovative scheme are as follows: a large filter cake bidirectional pre-cutting and refining device is additionally arranged, and comprises a cake breaking and refining device, a guide rod assembly, a servo motor and a transmission screw rod assembly; the cake breaking and homogenizing device is provided with a double homogenizing plate and a double-edge cake breaking knife; the rotary motion of the transmission screw rod is converted into axial linear motion of the screw rod nut and the broken cake refining device, and large blocks of viscous filter cakes in the filter cake feeding box can be broken and pushed into the broken cake slitting box uniformly. The filter cake secondary crushing slitting mechanism solves the technical problems that a filter cake bridge is easily formed in a filter cake feeding box by large viscous filter cakes, the large viscous filter cakes are difficult to be crushed by a filter cake crushing device at one time, the filter cake bridge blocks a feeding channel of the filter cake crushing slitting mechanism, the slitting device is uneven in feeding in all directions, and potential safety hazards exist in high-altitude manual auxiliary cake crushing; the pre-breaking and refining performance of the filter cake crushing and slitting mechanism is expanded, and the efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of closed filter cake dryers, and relates to a two-way pre-cutting and refining device for a large filter cake of a filter cake secondary crushing and slitting mechanism.
Background
The drier is a mechanical device which reduces the moisture of materials by using heat energy; the closed dryer is a normal pressure continuous convection type totally closed environment-friendly material dryer; the closed filter cake dryer is a closed dryer for further drying the filter cake formed by the operation of the filter press; the device mainly comprises a closed compartment, a filter cake crushing and slitting mechanism, a filter cake conveying mechanism, a high-low temperature drying system, a PLC program control system and the like; the closed type material drying device has the functions of evaporating and drying materials with the water content of 55-83% at a high temperature in a closed type, and further condensing and dehumidifying at a low temperature to reduce the water content of the materials by more than 80%.
The filter cake stirring and slitting mechanism is a filter cake feeding, stirring and slitting mechanism and mainly comprises a filter cake feeding box, a filter cake stirring device and a filter cake slitting device; the filter cake crushing device is a rotary shaft type filter cake crushing device with a stirring rod; the working process of the feeding, crushing and slitting comprises the following steps: conveying the large filter cakes to a filter cake feeding compartment by an external material conveyor; a rotating shaft with a stirring rod of the filter cake stirring device is used for stirring and crushing the large filter cake; the strip cutting double rollers (matched concave-convex rollers) of the filter cake strip cutting device extrude the stirred filter cake into a certain thickness and cut the filter cake into a cake strip (strip-shaped symmetrical filter cake) with a certain width so as to ensure uniform drying effect; the cake strips fall onto an upper layer conveying mesh belt of the filter cake conveying mechanism through a plurality of grooves on the surfaces of the strip cutting pair rollers; has the function of crushing and extruding the massive non-sticky filter cake into cake strips.
The existing rotating shaft type filter cake stirring device with the stirring rod has the following defects: the large sticky filter cake forms a filter cake bridge frame in a filter cake feeding box, the rotary filter cake stirring device with the stirring rod is difficult to stir the large sticky filter cake, the filter cake bridge frame blocks a feed channel of the filter cake stirring device and a filter cake slitting device, the stirring effect and efficiency of the filter cake stirring slitting mechanism on the large sticky filter cake are seriously influenced, and the filter cake bridge frame causes uneven feeding of the filter cake slitting device, uneven thickness of the filter cake and influence the drying effect of the filter cake; a shovel is often used for assisting to break large sticky filter cakes manually and manually, and potential safety hazards exist in high-altitude operation of operators; the automatic pre-breaking of large viscous filter cakes is a technical problem which is expected to be solved but is not successful all the time.
Disclosure of Invention
The invention aims to overcome the defects of the existing rotary shaft type filter cake stirring device with the stirring rod, and solves the problems that a filter cake bridge frame is easily formed in a filter cake feeding box by a large block of viscous filter cake, the rotary shaft type filter cake stirring device with the stirring rod is difficult to stir the large block of viscous filter cake, the filter cake bridge frame blocks the feeding channel of the filter cake stirring device and the filter cake slitting device, and the feeding of the filter cake slitting device is uneven; the technical problem that potential safety hazards exist in high-altitude manual auxiliary cake breaking is that a large cake bidirectional pre-cutting and refining device and a cake secondary crushing and slitting mechanism are provided; the filter cake secondary crushing slitting mechanism-the filter cake secondary crushing slitting mechanism with the bulk filter cake bidirectional pre-slitting and refining device of the invention; the name of the patent is short because of limited number of words.
The invention solves the problems of the prior art and adopts the innovative technical scheme that: a two-way pre-cutting and refining device for large filter cakes (hereinafter referred to as a filter cake pre-cutting and refining device) has the key points of the overall technical scheme that compared with the prior art, the novel overall structure has the prominent substantive characteristics that: on the basis of the existing rotary shaft type filter cake stirring device with a stirring rod, a large filter cake bidirectional pre-cutting and refining device is additionally arranged, namely a lead screw transmission translation type large viscous filter cake bidirectional pre-cutting and refining device comprises a cake-breaking and refining device, a guide rod assembly, a driving device, a transmission lead screw assembly and a filter cake feeding box; the cake breaking and homogenizing device comprises an assembling plate, a double homogenizing plate and a double-edge cake breaking knife which are combined into a whole; the transmission screw rod component comprises a transmission screw rod and a moving nut with a seat; the cake breaking and refining device is arranged on the movable nut with the seat, the transmission screw rod rotates to drive the movable nut with the seat and the cake breaking and refining device to move horizontally, and large viscous filter cakes in the filter cake feeding box can be cut and pushed into the cake breaking and strip cutting box uniformly; therefore, the problem that a filter cake bridge frame is easily formed in a filter cake feeding box by a large viscous filter cake is solved, the large viscous filter cake is difficult to be stirred by the rotary filter cake stirring device with the stirring rod, and the filter cake bridge frame blocks the feeding channels of the filter cake stirring device and the filter cake slitting device, so that the filter cake slitting device is uneven in feeding in all directions; the high-altitude manual assistance cake breaking has the technical problem of potential safety hazards.
The specific design scheme of the invention is as follows: (1) The cake breaking and homogenizing device comprises an assembling plate, a double homogenizing plate and a double-edge cake breaking knife; the arranged assembling plate is an assembling plate with a wide upper part and a narrow lower part, the wider part of the upper end of the assembling plate is provided with a transmission screw rod hole, a nut seat mounting hole and a linkage rod hole, and the narrower part of the lower section of the assembling plate is provided with double refining plate holes; the double material homogenizing plates are two layers of material homogenizing plate strips, and the length of the double material homogenizing plates corresponds to the width of the filter cake feeding box; the double-edge cake breaking knife is formed by combining two single-edge cake breaking knives; the double material homogenizing plates are horizontally arranged on the assembling plate, and the double-edge cake breaking knife is vertically arranged on the assembling plate to form a cake breaking and homogenizing device; (2) The guide rod assembly comprises a guide rod, a guide cylinder and a linkage rod; the guide rod is a circular guide rod with threads at two ends, and the length of the guide rod corresponds to that of the filter cake feeding box; the guide cylinder is arranged and is in clearance fit with the guide rod; the linkage rod is a circular linkage rod, and the length of the linkage rod is smaller than the width of the filter cake feeding box; the double guide cylinders are vertically welded at two ends of the linkage rod, and the double guide rods penetrate into the double guide cylinders to form a guide rod assembly, so that the cake breaking and refining device can be ensured to stably move; (3) The driving device comprises a servo motor, a coupler and a motor bracket; the servo motor is provided with an output shaft; the motor support comprises a motor support main body and a support reinforcing plate, wherein the motor support main body is a right-angle support main body and is provided with a motor output shaft hole and a servo motor mounting hole, and the support reinforcing plate is welded in the middle of an inner angle of the motor support main body to form a motor support; (4) The transmission screw rod component is a ball screw rod component and comprises a transmission screw rod, a screw rod right seat, a screw rod left seat, a screw rod seat bracket and a movable nut with a seat; the length of the transmission screw rod is equal to that of the filter cake feeding box; the right screw seat is a right ball support seat matched with the screw; the left screw seat, namely the left fixed seat matched with the screw, can prevent the screw from axially moving; the screw seat support comprises a screw seat support plate and a screw seat support, the screw seat support plate is provided with double screw seat mounting holes, and the screw seat support is vertically welded in the middle of the lower surface of the screw seat support plate to form a screw seat support; the left screw seat and the right screw seat are respectively arranged on the double screw seat bracket, the movable nut with the seat is screwed on the transmission screw rod, and two ends of the transmission screw rod are respectively arranged on the left screw seat and the right screw seat to form a transmission screw rod assembly; when the rotation freedom degree of the movable nut with the seat is restrained, the transmission screw rod rotates to drive the movable nut with the seat to axially move; (5) The length and the width of the filter cake feeding box correspond to those of the broken cake slitting box.
The connection relation of the main parts of the invention is as follows: for convenience, a broken cake slitting box closely related to the filter cake pre-cutting and refining device is additionally arranged; (1) assembly of a filter cake pre-cutting and refining device: two ends of the guide rod component are arranged on two ends of the filter cake feeding box; the cake breaking and refining device is hung on a linkage rod of the guide rod assembly; the transmission screw rod penetrates through a transmission screw rod hole of the assembling plate, and the movable nut with the seat is arranged on the assembling plate; the left screw seat, the right screw seat and the screw seat support are utilized, and the transmission screw rod component is integrally arranged in the middle of the upper surfaces of the two ends of the filter cake feeding box; a servo motor is arranged at the left end close to the filter cake feeding box by utilizing a motor bracket, and the output shaft of the motor is concentric with a transmission screw rod; connecting the servo output shaft and the transmission screw rod by using a coupler; the servo motor rotates forward and backward to drive the transmission screw rod component to drive the cake breaking and refining device to move back and forth. (2) the final assembly of the filter cake pre-cutting and refining device: the filter cake pre-cutting and refining device is integrally arranged on the cake crushing and slitting box and is positioned below the discharge port of the external material conveyor, wherein the filter cake feeding box is butted with the cake crushing and slitting box, and the cake crushing and refining device is not contacted with a cake stirring rod with a stirring rod rotating shaft; the servo motor is communicated with the PLC program control system. (3) The filter cake pre-cutting and refining device has the following relevant dynamic relation: under the control of the PLC program control system, the external material conveyer conveys the large filter cakes to a filter cake feeding compartment; the servo motor rotates positively and negatively to drive the transmission screw rod component to drive the cake breaking and refining device to move back and forth, a large viscous filter cake is broken in the moving process of the double-edge cake breaking knife, and the broken filter cake is uniformly pushed into the cake breaking and strip cutting box in the moving process of the double-edge cake breaking knife; a rotating shaft with a stirring rod of the filter cake stirring device is used for further stirring and crushing the cut filter cake; the strip cutting pair rollers (matched concave-convex rollers) of the filter cake strip cutting device extrude the crushed filter cake into a certain thickness and cut the filter cake into a cake strip (strip-shaped symmetrical filter cake) with a certain width so as to ensure that the drying effect is uniform; the cake strips fall onto an upper layer conveying mesh belt of the filter cake conveying mechanism through a plurality of grooves on the surfaces of the strip cutting rollers.
The invention also provides a filter cake secondary crushing and strip cutting mechanism, namely a filter cake feeding secondary crushing (firstly crushing and then stirring) strip cutting mechanism, and the large filter cake bidirectional pre-crushing and refining device provided by the invention is used; the filter cake crushing and slitting mechanism mainly comprises a cake crushing and slitting box, a filter cake pre-crushing and refining device, a filter cake stirring device and a filter cake slitting device; the communicated PLC program control system has the functions of cutting, crushing and extruding a large non-viscous filter cake into a cake strip.
The bidirectional pre-breaking and refining device for the massive filter cakes and the secondary breaking and slitting mechanism for the filter cakes, which are provided by the invention, have the remarkable advantages of automatic control, forward and reverse driving of a servo motor, ball screw transmission, double-edge cake breaking cutters, back and forth pre-breaking of cakes, smooth feeding, double material homogenizing plates, back and forth refining, uniform discharging and reliable performance; the bidirectional pre-cutting and refining device has the advantages that the bidirectional pre-cutting and refining device for the massive filter cakes, namely the bidirectional pre-cutting and refining device for the translational massive viscous filter cakes driven by the lead screw, is additionally arranged, so that the massive viscous filter cakes in the filter cake feeding box can be cut and uniformly pushed into the broken cake slitting box; the pre-breaking and refining performance of the filter cake stirring and slitting mechanism is expanded, high-altitude manual auxiliary cake breaking is replaced, potential safety hazards are eliminated, the technical problem that people are eagerly solved but fail to obtain successful automatic pre-breaking of large sticky filter cakes is solved, the stirring effect and efficiency of the filter cake stirring and slitting mechanism on the sticky large filter cakes are improved, and the thickness uniformity and drying effect of the filter cakes are guaranteed; can increase the efficiency.
Drawings
FIG. 1 is a schematic front view of a bi-directional pre-breaking and homogenizing apparatus for large filter cakes in accordance with the present invention (the cake feed box is shown in phantom to fully illustrate the internal structure).
FIG. 2 is a schematic top view of the apparatus for bi-directional pre-breaking and homogenizing of a cake of the present invention (the cake feed box is shown in phantom to fully illustrate the internal structure).
FIG. 3 is a perspective view of a cake breaking and refining device and a guide cylinder linkage rod of the bulk filter cake bidirectional pre-cutting breaking and refining device of the present invention.
FIG. 4 is a perspective view of a motor support of the apparatus for bi-directional pre-chopping and homogenizing large filter cakes in accordance with the present invention.
FIG. 5 is a perspective view of a screw seat support of the apparatus for bi-directionally pre-cutting and homogenizing large filter cakes in accordance with the present invention.
FIG. 6 is an assembly schematic diagram of a secondary filter cake crushing and slitting mechanism according to the present invention.
FIG. 7 is a schematic view of the assembly of the filter cake secondary crushing and slitting mechanism and the corresponding closed filter cake dryer of the present invention.
Reference numerals: 1-cake breaking and refining device, 2-guide rod, 3-servo motor, 4-transmission screw rod, 5-coupler, 6-motor support, 7-right screw rod seat (namely right screw rod support seat), 8-left screw rod seat (namely left screw rod fixing seat), 9-screw rod seat support, 10-movable nut with seat, 11-assembly plate, 12-double material homogenizing plate, 13-double-edge cake breaking cutter, 14-guide cylinder, 15-linkage rod, 16-motor support main body, 17-support reinforcing plate, 18-screw rod seat support plate, 19-screw rod seat support, 20-filter cake feeding box, 21-cake crushing and strip cutting box, 22-large-block filter cake bidirectional pre-cutting and refining device (short for filter cake pre-cutting and refining device or the invention), 23-filter cake secondary crushing and strip cutting mechanism (short for filter cake crushing and strip cutting mechanism), 24-upper layer conveying system and 25-PLC system.
The guide rod assembly comprises 2-guide rods, 14-guide cylinders and 15-linkage rods.
The driving device comprises a 3-speed reducing motor, a 5-coupler and a 6-motor bracket.
The transmission screw rod component comprises a 4-transmission screw rod, a 7-screw rod right seat, an 8-screw rod left seat, a 9-screw rod seat support and a 10-movable nut with a seat.
Detailed Description
The technical solution in the embodiment of the present invention is described below with reference to the accompanying drawings in the embodiments of the device for bidirectionally pre-crushing and refining a large cake and the device for secondarily crushing and cutting a filter cake into strips, and the described embodiments are only a part of preferred embodiments of the present invention, but not all embodiments. All other embodiments, such as cake pre-breaking and refining devices with the same way and similar structure, which are not inventive by the person skilled in the art, based on the embodiments of the present invention, belong to the protection scope of the present invention.
Example 1
A two-way pre-cutting and refining device 22 for large filter cakes (for short, a filter cake pre-cutting and refining device) has the following main points in the innovative general implementation scheme: on the basis of the existing rotary shaft type filter cake stirring device with a stirring rod, a large filter cake bidirectional pre-cutting and refining device 22 is additionally arranged, namely a lead screw transmission translation type large viscous filter cake bidirectional pre-cutting and refining device which comprises a cake-breaking and refining device 1, a guide rod assembly, a driving device, a transmission lead screw assembly and a filter cake feeding box 20; the cake breaking and refining device 1 comprises an assembling plate 11, a double refining plate 12 and a double-edge cake breaking knife 13 which are combined into a whole; the transmission screw rod component comprises a transmission screw rod 4 and a moving nut with a seat 10; the cake breaking and refining device 1 is arranged on the movable nut with the seat 10, the transmission screw rod 4 rotates to drive the movable nut with the seat 10 and the cake breaking and refining device 1 to move horizontally, and large viscous filter cakes in the filter cake feeding box 20 can be cut and uniformly pushed into the cake breaking and slitting box 21; specific embodiments are described in detail below.
The cake breaking and refining device 1 comprises an assembly plate 11, a double refining plate 12 and a double-edge cake breaking knife 13; the arranged assembling plate 11 is an assembling plate 11 with a wide upper part and a narrow lower part, the wider part of the upper end of the assembling plate is provided with a transmission screw rod hole, a nut seat mounting hole and a linkage rod hole, and the narrower part of the lower section of the assembling plate is provided with double refining plate holes; the double material homogenizing plates 12 are arranged and are two layers of material homogenizing laths, and the length of the double material homogenizing plates corresponds to the width of the filter cake feeding box 20; the double-edge cake breaking knife 13 is formed by combining two single-edge cake breaking knives; the double material homogenizing plates 12 are horizontally arranged on the assembling plate 11, and the double-edge cake breaking knife 13 is vertically arranged on the assembling plate 11 to form the cake breaking and homogenizing device 1; the cake breaking and refining device 1 is hung on a linkage rod 15 of the guide rod component; the transmission screw rod 4 passes through a transmission screw rod hole of the assembling plate 11, and the movable nut 10 with a seat is arranged on the assembling plate 11; the cake breaking and refining device 1 can axially move back and forth along with the movable nut 10 with the seat; for cutting up the large, viscous cake in the cake feed box 20 and pushing it evenly into the cake shredding box 21.
The guide rod assembly comprises a guide rod 2, a guide cylinder 14 and a linkage rod 15; the guide rod 2 is a circular guide rod 2 with threads at two ends, and the length of the guide rod 2 corresponds to that of the filter cake feeding box 20; the guide cylinder 14 is arranged and is in clearance fit with the guide rod 2; the linkage rod 15 is a circular linkage rod 15, and the length of the linkage rod 15 is smaller than the width of the filter cake feeding box 20; the double guide cylinders 14 are vertically welded at two ends of the linkage rod 15, the double guide rods 2 penetrate into the double guide cylinders 14 to form a guide rod assembly, and the smooth movement of the cake breaking and refining device 1 can be ensured; both ends of the guide rod assembly are arranged above both ends of the filter cake feeding box 20; the cake breaking and refining device 1 is hung on a linkage rod 15 of the guide rod component; is used for guiding the cake breaking and refining device 1 to move back and forth stably in the axial direction and indirectly restricting the rotational freedom degree of the movable nut 10 with a seat.
The driving device comprises a servo motor 3, a coupler 5 and a motor bracket 6; the servo motor 3 is a servo motor 3 of 150ST-27020 type and is provided with an output shaft; the motor support 6 comprises a motor support main body 16 and a support reinforcing plate 17, wherein the motor support main body 16 is a right-angle support main body and is provided with a motor output shaft hole and a servo motor mounting hole, and the support reinforcing plate 17 is welded in the middle of an inner angle of the motor support main body 16 to form the motor support 6; by utilizing the motor bracket 6, the servo motor 3 is arranged at the left end close to the filter cake feeding box 20, and the output shaft of the motor is concentric with the transmission screw rod 4; a coupler 5 is used for connecting the servo output shaft with a transmission screw rod 4; the servo motor 3 rotates positively and negatively to drive the transmission screw rod component to drive the cake breaking and refining device 1 to move back and forth; used for precisely driving and controlling the cake breaking and refining device 1 to move back and forth along with the control signal.
The transmission screw rod component is a ball screw rod component and comprises a transmission screw rod 4, a screw rod right seat 7, a screw rod left seat 8, a screw rod seat bracket 9 and a movable nut with a seat 10; the length of the transmission screw rod 4 is equal to that of the filter cake feeding box 20; the right screw seat 7 is arranged, namely an EF20 type right ball supporting seat matched with the transmission screw 4; the arranged lead screw left seat 8, namely an EK20 type left fixed seat matched with the transmission lead screw 4, can prevent the transmission lead screw 4 from axially moving; the screw seat support 9 comprises a screw seat support plate 18 and a screw seat support 19, the screw seat support plate 18 is provided with double screw seat mounting holes, and the screw seat support 19 is vertically welded in the middle of the lower surface of the screw seat support plate 18 to form the screw seat support 9; the left screw seat 8 and the right screw seat 7 are respectively arranged on a double screw seat bracket 9, the movable nut with seat 10 is screwed on the transmission screw 4, and two ends of the transmission screw 4 are respectively arranged on the left screw seat 8 and the right screw seat 7 to form a transmission screw rod assembly; when the rotation freedom degree of the mobile nut with the seat 10 is restrained, the transmission screw rod 4 rotates to drive the mobile nut with the seat 10 to axially move; the transmission screw rod component is integrally arranged in the middle of the upper surfaces of two ends of the filter cake feeding box 20 by utilizing the left screw rod seat 8, the right screw rod seat 7 and the screw rod seat bracket 9; is used for transmitting power and converting the rotary motion of the transmission screw rod 4 into axial linear motion of the movable nut 10 with a seat so as to drive the cake breaking and refining device 1 to move back and forth.
The length and the width of the filter cake feeding box 20 correspond to those of the broken cake slitting box 21; a filter cake feeding box 20 is butted with a broken cake slitting box 21; both ends of the guide rod assembly are arranged above both ends of the filter cake feeding box 20; the transmission screw rod component is integrally arranged in the middle of the upper surfaces of two ends of the filter cake feeding box 20 by utilizing the left screw rod seat 8, the right screw rod seat 7 and the screw rod seat bracket 9; used for receiving and temporarily storing large blocks of viscous filter cakes and installing a filter cake pre-cutting and refining device 22.
The final assembly of the filter cake pre-cutting and refining device 22: the filter cake pre-cutting and refining device 22 is integrally arranged on the cake crushing and slitting box 21 and is positioned below the discharge port of the external material conveyor, wherein the filter cake feeding box 20 is butted with the cake crushing and slitting box 21, and the cake crushing and refining device 1 is not contacted with a cake stirring rod with a stirring rod rotating shaft; the servo motor 3 is communicated with a PLC program control system 25.
The two-way pre-cutting breaking and refining device 22 for the massive filter cakes, provided by the invention, has the advantages of automatic control, forward and reverse driving of the servo motor 3, transmission of a ball screw, double-edge cake breaking cutter, round and round pre-breaking of the cakes, smooth feeding, double refining plates, round and round refining, uniform discharging and reliable performance; the large viscous filter cake in the filter cake feeding box 20 can be cut and evenly pushed into the broken cake slitting box 21; the problem that a filter cake bridge frame is easily formed in a filter cake feeding box 20 by a large viscous filter cake, the large viscous filter cake is difficult to be stirred by a rotary filter cake stirring device with a stirring rod, and the filter cake bridge frame blocks a feeding channel of the filter cake stirring device and a filter cake slitting device, so that the filter cake slitting device is uneven in feeding in all directions; the technical problem of potential safety hazard exists in high-altitude manual assistance cake breaking; the pre-breaking and refining performances of the filter cake stirring and slitting mechanism 23 are expanded, and the effects of energy development and efficiency increase are realized.
Example 2
A filter cake secondary crushing slitting mechanism 23 (a filter cake crushing slitting mechanism for short), namely a filter cake feeding secondary crushing (firstly cutting and then stirring) slitting mechanism, uses the two-way pre-cutting and refining device 22 (a filter cake pre-cutting and refining device for short) of the massive filter cake provided by the invention; the filter cake crushing and slitting mechanism 23 mainly comprises a cake crushing and slitting box, a filter cake pre-crushing and refining device 22, a filter cake stirring device and a filter cake slitting device; the communicated PLC program control system 25 has the functions of cutting, crushing and extruding large non-sticky filter cakes into strips.
The filter cake pre-cutting and refining device 22, namely a lead screw transmission translation type large block viscous filter cake bidirectional pre-cutting and refining device, comprises a cake breaking and refining device 1, a guide rod assembly, a driving device, a transmission lead screw assembly and a filter cake feeding box 20; the filter cake pre-cutting and refining device 22 is integrally arranged on the cake crushing and slitting box 21 and is positioned below the discharge port of the external material conveyor, wherein the filter cake feeding box 20 is butted with the cake crushing and slitting box 21, and the cake crushing and refining device 1 is not contacted with a cake stirring rod with a stirring rod rotating shaft; for cutting up the large, viscous cake in the cake feed box 20 and pushing it evenly into the cake shredding box 21.
The filter cake stirring device, namely the rotating shaft type filter cake re-stirring device with the stirring rod, comprises a cake crushing driving motor, a rotating shaft with the stirring rod and a bearing seat assembly; a bearing seat component of the filter cake stirring device is arranged in the middle of the front and back surfaces of the cake crushing and slitting box 21 and is positioned on the filter cake slitting device, a rotating shaft with a stirring rod is arranged in the bearing seat, a cake crushing driving motor is arranged in the front of the cake crushing and slitting box 21 and is connected with the rotating shaft with the stirring rod; the filter cake pre-cutting and refining device 22 is used for further crushing the filter cake and uniformly dropping the crushed cake onto the filter cake strip cutting device.
The filter cake slitting device, namely a double-roller (matched concave-convex roller) extrusion type filter cake slitting device, comprises a slitting driving motor, a slitting double-roller and a double-roller shaft seat assembly; a double-roller shaft seat component of the filter cake slitting device is arranged in the center on the front and back surfaces of the broken cake slitting box 21, a slitting double roller is arranged in the double-roller shaft seat, and a slitting driving motor is arranged on the back surface of the broken cake slitting box 21 and connected with a slitting double-roller shaft; the device is used for extruding the crushed filter cakes into a certain thickness and shearing the filter cakes into cake strips (strip-shaped uniform filter cakes) with a certain width so as to ensure that the drying effect is uniform and the cake strips fall onto an upper layer conveying mesh belt 24 of a filter cake conveying mechanism through a plurality of grooves on the surfaces of a strip cutting pair roller.
The working process of the filter cake crushing and slitting mechanism 23 is as follows: under the control of the PLC program control system 25, the external material conveyer conveys the large filter cakes to the filter cake feeding compartment 20; the servo motor 3 rotates positively and negatively to drive the transmission screw rod component to drive the cake breaking and refining device 1 to move back and forth, the double-edge cake breaking knife 13 breaks large viscous filter cakes in the moving process, and the double-edge cake refining plate 12 pushes the broken filter cakes into the cake breaking and slitting box 21 uniformly in the moving process; a rotating shaft with a stirring rod of the filter cake stirring device is used for further stirring and crushing the cut filter cake; the strip cutting rollers of the filter cake strip cutting device extrude the stirred filter cake into a certain thickness and cut the filter cake into cake strips with a certain width so as to ensure that the drying effect is uniform; the cake strips continuously drop onto an upper layer conveying mesh belt 24 of a filter cake conveying mechanism through a plurality of grooves on the surfaces of the strip cutting pair rollers.
The secondary crushing and slitting mechanism 23 for the filter cake provided by the invention has the beneficial effects that: the large viscous filter cake in the filter cake feeding box 20 can be cut and uniformly pushed into the broken cake slitting box 21 by additionally arranging the large filter cake bidirectional pre-cutting and refining device 22, namely a lead screw transmission translation type large viscous filter cake bidirectional pre-cutting and refining device; the pre-breaking and refining performance of the filter cake stirring and slitting mechanism 23 is expanded, high-altitude manual auxiliary cake breaking is replaced, potential safety hazards are eliminated, the technical problem that people are eagerly solved but fail to obtain successful automatic pre-breaking of large sticky filter cakes is solved, the stirring effect and efficiency of the filter cake stirring and slitting mechanism 23 on the sticky large filter cakes are improved, and the thickness uniformity and drying effect of the filter cakes are guaranteed; can increase the efficiency.
Claims (6)
1. A bidirectional pre-cutting and refining device for a large filter cake, which is called a filter cake pre-cutting and refining device for short, comprises a cake breaking and refining device, a guide rod assembly, a driving device, a transmission screw rod assembly and a filter cake feeding box; is characterized in that: the cake breaking and homogenizing device comprises an assembling plate, a double homogenizing plate and a double-edge cake breaking knife; the guide rod assembly comprises a guide rod, a guide cylinder and a linkage rod; the driving device comprises a servo motor, a coupler and a motor bracket; the transmission screw rod component is a ball screw rod component and comprises a transmission screw rod, a screw rod right seat, a screw rod left seat, a screw rod seat bracket and a movable nut with a seat; the length and the width of the filter cake feeding box correspond to those of the broken cake slitting box; the interconnection relationship is: two ends of the guide rod component are arranged on two ends of the filter cake feeding box; the cake breaking and refining device is hoisted on a linkage rod of the guide rod component; the transmission screw rod penetrates through a transmission screw rod hole of the assembling plate, and the movable nut with the seat is arranged on the assembling plate; the left screw seat, the right screw seat and the screw seat support are utilized, and the transmission screw rod component is integrally arranged in the middle of the upper surfaces of the two ends of the filter cake feeding box; a servo motor is arranged at the left end close to the filter cake feeding box by utilizing a motor bracket, and the output shaft of the motor is concentric with a transmission screw rod; connecting the servo output shaft and a transmission screw rod by using a coupler; the servo motor rotates forward and backward to drive the transmission screw rod component to drive the cake breaking and refining device to move back and forth; the cake pre-breaking and refining device is integrally arranged on the cake crushing and slitting box and is positioned below the discharge port of the external material conveyor, wherein the cake feeding box is butted with the cake crushing and slitting box, and the cake breaking and refining device is not in contact with a cake stirring rod with a stirring rod rotating shaft; the servo motor is communicated with the PLC program control system; the large viscous cake in the cake feed box can be cut and pushed evenly into the cake shredding box.
2. The two-way pre-cutting and refining device of the massive filter cake according to claim 1, characterized in that: the assembly plate arranged in the cake breaking and refining device is an assembly plate with a wide upper part and a narrow lower part, the wider part of the upper end of the cake breaking and refining device is provided with a transmission screw rod hole, a nut seat mounting hole and a linkage rod hole, and the narrower part of the lower section of the cake breaking and refining device is provided with double refining plate holes; the double material homogenizing plates are two layers of material homogenizing plate strips, and the length of the double material homogenizing plates corresponds to the width of the filter cake feeding box; the double-edge cake breaking knife is formed by combining two single-edge cake breaking knives; the double material homogenizing plates are horizontally arranged on the assembling plate, and the double-edge cake breaking knife is vertically arranged on the assembling plate to form the cake breaking and homogenizing device.
3. The two-way pre-cutting and refining device of the massive filter cake according to claim 1, characterized in that: the guide rod assembly is provided with a guide rod which is a circular guide rod with threads at two ends, and the length of the guide rod assembly corresponds to that of the filter cake feeding box; the guide cylinder is arranged and is in clearance fit with the guide rod; the linkage rod is a circular linkage rod, and the length of the linkage rod is smaller than the width of the filter cake feeding box; the double guide cylinders are vertically welded at two ends of the linkage rod, and penetrate into the double guide cylinders to form a guide rod assembly, so that the smooth movement of the broken cake refining device can be ensured.
4. The bulk filter cake bidirectional pre-cutting and refining device according to claim 1, characterized in that: the driving device is provided with a servo motor and is provided with an output shaft; the motor support comprises a motor support main body and a support reinforcing plate, wherein the motor support main body is a right-angle support main body and is provided with a motor output shaft hole and a servo motor mounting hole, and the support reinforcing plate is welded in the middle of an inner angle of the motor support main body to form the motor support.
5. The bulk filter cake bidirectional pre-cutting and refining device according to claim 1, characterized in that: the length of the transmission screw rod arranged on the transmission screw rod assembly is equal to that of the filter cake feeding box; the right screw seat is a right ball support seat matched with the screw; the left screw seat, namely the left fixed seat matched with the screw, can prevent the screw from axially moving; the screw seat support comprises a screw seat support plate and a screw seat support, the screw seat support plate is provided with double screw seat mounting holes, and the screw seat support is vertically welded in the middle of the lower surface of the screw seat support plate to form a screw seat support; the left screw seat and the right screw seat are respectively arranged on the double screw seat bracket, the movable nut with the seat is screwed on the transmission screw rod, and two ends of the transmission screw rod are respectively arranged on the left screw seat and the right screw seat to form a transmission screw rod assembly; when the rotation freedom of the movable nut with the seat is restricted, the transmission screw rod rotates to drive the movable nut with the seat to axially move.
6. A filter cake secondary crushing slitting mechanism, namely a filter cake feeding secondary crushing slitting mechanism, mainly comprises a cake crushing slitting box, a filter cake pre-crushing and refining device, a filter cake stirring device and a filter cake slitting device; the method is characterized in that: the filter cake pre-cutting and refining device is the bidirectional pre-cutting and refining device for the massive filter cakes according to any one of claims 1 to 5; the cake pre-breaking and refining device is integrally arranged on the cake crushing and slitting box and is positioned below a discharge port of an external material conveyor, wherein the cake feeding box is butted with the cake crushing and slitting box, the cake breaking and refining device is not in contact with a cake stirring rod with a stirring rod rotating shaft, and the servo motor is communicated with the PLC program control system; has the function of cutting, then stirring and extruding the massive non-viscous filter cake into the cake strips.
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| CN202210808291.1A CN115193885B (en) | 2022-07-11 | 2022-07-11 | Two-way pre-cutting and homogenizing device for large filter cakes and secondary filter cake crushing and slitter mechanism |
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| CN202210808291.1A CN115193885B (en) | 2022-07-11 | 2022-07-11 | Two-way pre-cutting and homogenizing device for large filter cakes and secondary filter cake crushing and slitter mechanism |
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| CN115193885B (en) | 2023-06-30 |
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