CN115947519A - Multi-cavity multi-stage filter-pressing sludge dewatering equipment - Google Patents
Multi-cavity multi-stage filter-pressing sludge dewatering equipment Download PDFInfo
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- CN115947519A CN115947519A CN202310224539.4A CN202310224539A CN115947519A CN 115947519 A CN115947519 A CN 115947519A CN 202310224539 A CN202310224539 A CN 202310224539A CN 115947519 A CN115947519 A CN 115947519A
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- 238000003825 pressing Methods 0.000 title claims abstract description 121
- 239000010802 sludge Substances 0.000 title claims abstract description 93
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000010865 sewage Substances 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000008602 contraction Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 6
- 239000000284 extract Substances 0.000 abstract description 4
- 238000001035 drying Methods 0.000 abstract description 3
- 238000011085 pressure filtration Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 208000005156 Dehydration Diseases 0.000 description 5
- 230000018044 dehydration Effects 0.000 description 5
- 238000006297 dehydration reaction Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000010813 municipal solid waste Substances 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Treatment Of Sludge (AREA)
Abstract
The invention belongs to the technical field of sewage treatment, and particularly relates to a multi-chamber multistage pressure filtration sludge dewatering device which aims at solving the problems that in the prior art, the sludge is subjected to heat drying treatment, but energy is wasted and internal water cannot be treated. The invention can firstly transversely compress the sludge through the primary filter pressing mechanism, then longitudinally extrude the sludge with more water through the secondary filter pressing plate, simultaneously extract the liquid extruded above the secondary filter pressing plate, then hammer and forge the top end of the secondary filter pressing plate again under the action of the main tension spring in cooperation with the intermittent falling of the heavy pressing block, the acting force is transmitted to the top end of the sludge to cause the sludge to be hammered, and then the sludge with impurities is pressed into a cake shape with less water content, thereby facilitating the later transportation or landfill treatment.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to multi-cavity multi-stage filter pressing sludge dewatering equipment.
Background
With the development of industrial technology, the discharge of sewage and sludge in factories is increased, and the sludge is generally required to be dewatered for recycling. Sludge dewatering refers to a sludge treatment method for removing water from fluid primary, concentrated or digested sludge and converting the sludge into semisolid or solid sludge blocks.
The existing sludge treatment equipment generally adopts a centrifugal or filtration method and other mechanical dehydration modes to remove water in gaps in sludge, for some sludge which is difficult to treat, the water content of the sludge after the sludge cake is formed is still high, further dehydration treatment such as heat drying is needed, the difficulty and the cost of dehydration are high, in addition, the existing dehydration equipment has to prolong a production line in order to improve the dehydration rate, and then the drying time is increased, so that the energy consumption is realized, the occupied area is also increased, and the treatment cost is increased.
Disclosure of Invention
The invention relates to multi-cavity multistage filter-pressing sludge dewatering equipment which specifically comprises a sludge tank which is integrally in a ring-shaped structure, wherein a primary filter-pressing mechanism is arranged at the bottom of the sludge tank, a supporting seat is fixed on the side surface of the sludge tank, a vertical tower column is rotatably connected to the top end of the supporting seat, a horizontally arranged beam plate is fixed in the middle of the tower column, the beam plate is divided into a working end and a balance end, the working end extends into the position right above the central position of the sludge tank, a pulley block is arranged below the working end of the beam plate and comprises a fixed pulley, a movable pulley and a steel wire rope, the fixed pulley is fixed on the lower surface of the beam plate, the movable pulley is wound between the fixed pulley and the movable pulley, a fixed frame is arranged on the surface of the movable pulley, a main tension spring is fixed at the bottom end of the fixed frame, a heavy pressing block is fixed at the bottom end of the main tension spring, the heavy pressing block is integrally in a cylindrical structure, the outer wall of the heavy pressing block is in clearance fit with the circumferential inner wall of the sludge tank, and an intermittent rope releasing mechanism matched with the movable end of the steel wire rope is arranged near the middle of the lower surface of the beam plate; four guide holes distributed equidistantly are formed in the lower surface of the heavy pressing block close to the circumferential edge, hanging pipes are connected in the four guide holes in a sliding mode, and the same secondary pressure filtering plate is fixed at the bottom end of each hanging pipe; through the elementary filter pressing mechanism who sets up, second grade filter pressing board and by the heavy briquetting of intermittent type rope releasing mechanism control, can be when dehydrating mixed and disorderly mud or rubbish in the mud pond, can at first carry out horizontal compression through elementary filter pressing mechanism with mud, later the free whereabouts of rethread second grade filter pressing board and carry out longitudinal extrusion to the more mud that contains water under the circumstances of its self gravity, and extrude the liquid that will obviously separate easily, will extrude the liquid extraction to second grade filter pressing board top simultaneously, later hammer press the forge again to the top of second grade filter pressing board under the effect of the main extension spring of intermittent type whereabouts cooperation of heavy briquetting, the effort transmits to the mud top and makes mud receive the hammer press the forge, then press the mud that contains impurity into little water content pie, be convenient for the transportation or the landfill of later stage handle.
The invention is further provided with a fixing frame sleeved at the top ends of the four hanging pipes, an external pump is fixed at one side of the top end of the fixing frame, which is close to the supporting seat, a three-way pipe is arranged at the water inlet end of the external pump, water inlet hoses are sleeved at two water inlet ends of the three-way pipe and are respectively communicated with the top ends of two of the hanging pipes, through holes are formed in the outer circumferential wall of each hanging pipe, which is close to the bottom end, and an anti-blocking net is arranged in each through hole; open the pipe hanger that has the through-hole through the external pump that sets up and bottom, can press at the second grade filter-pressing board after and extract its unnecessary liquid on top fast, ensure that second grade filter-pressing board upper surface does not have the resistance of water, let the heavy briquetting that the later stage pushed down have bigger impact kinetic energy and act on the surface at second grade filter-pressing board then to continue to form the punching press to mud.
The invention is further arranged in that a diversion trench is arranged at the top end of the supporting seat close to the circumferential edge, a sewage discharge pipe is inserted into one side of the bottom of the diversion trench far away from the sludge tank, a discharge pipe is inserted into the water outlet end of the external pump, and the outlet of the discharge pipe is lapped above the bottom of the diversion trench; through the diversion trench of the annular structure and the discharge pipe arranged above the diversion trench, the device can freely move with the diversion trench after pumping water, and the external pump and the diversion trench do not affect each other.
The invention is further arranged in that a rope rolling rod which is longitudinally arranged is fixed at the top end of the working end of the cross beam plate, two ends of the rope rolling rod are respectively wound with a first pulling rope which is symmetrical to each other, and one ends of the first pulling ropes, which are far away from the rope rolling rod, are respectively fixed at two sides of the fixed frame; a driven gear II is fixed at one end of the rope winding rod, a driving motor is fixed on the upper surface of the beam plate close to the driven gear II, and a driving gear III meshed with the driven gear II is fixed at the top end of an output shaft of the driving motor; through the rope winding rod, the fixing frame can be kept in a horizontal state when being pulled up or lowered down in use.
The invention is further arranged in that the lower surface of the heavy pressing block is provided with a plurality of rows of parallel water squeezing grooves, the cross sections of the water squeezing grooves are in a regular isosceles trapezoid structure, the outer wall of the circumference of the heavy pressing block is provided with three to six vertical water drainage grooves, and the water drainage grooves penetrate through the upper end and the lower end of the heavy pressing block; the overall shape of the secondary pressure filter plate is matched with the concave shape of the lower surface of the heavy pressing block; and a plurality of holes are formed on the secondary filter pressing plate; the lower surface through setting up is opened the crowded basin that has the cross-section to be isosceles trapezoid structure, can form the side direction extrusion force to the upper surface of mud under heavily pressing, can also in time discharge the slot department on moisture follow top, improves drainage effect for the mud cake after the filter-pressing is harder dry.
The invention is further arranged in that the number of the movable pulleys in the pulley block is one less than that of the fixed pulleys, and the movable end of the steel wire rope extends towards the direction of the tower column by bypassing the topmost fixed pulley, wherein the intermittent rope releasing mechanism comprises a rope winding roller which is rotatably arranged below a beam plate, two ends of the rope winding roller are respectively reserved with a roller shaft, the end parts of the two roller shafts are respectively fixed with a ratchet wheel and a driven gear I, two groove-shaped slide rails with opposite openings and parallel to each other are fixed on one side of the driven gear I on the side surface of the beam plate, the same speed reducing motor is connected between the two groove-shaped slide rails in a sliding manner, and the top end of an output shaft of the speed reducing motor is fixed with a driving gear I which is meshed with the driven gear I; a spring baffle is fixed between the top ends of the two groove-shaped sliding rails, a sliding bearing is embedded in the middle of the spring baffle, the middle of the sliding bearing is connected with a sliding shaft in a sliding manner, the bottom end of the sliding shaft is fixed on the upper surface of the speed reducing motor, a return spring is fixed between the upper surface of the speed reducing motor and the lower surface of the spring baffle, and a pressing plate is fixed at the top end of the sliding shaft; when the meshing effect is improved and the steel wire rope needs to be reversely placed by the rope winding roller, the speed reducing motor is only required to be lifted a little distance along the sliding groove of the groove-shaped sliding rail; the other side of the beam plate is rotatably provided with a backstop locking rod matched with the ratchet wheel, one end, far away from the ratchet wheel, of the upper surface of the backstop locking rod is fixedly provided with an extension spring, the top end of the extension spring is fixedly provided with a spring clamping plate, the spring clamping plate is fixed on the side surface of the beam plate through a screw, a cross shaft rod is fixed on the side surface of the backstop locking rod, the lower surface of the cross shaft rod is provided with an oval top wheel attached to the cross shaft rod, the lower surface of the beam plate is fixedly provided with a rope releasing motor, and the oval top wheel is fixed on the top end of an output shaft of the rope releasing motor; the outer wall of the transverse shaft rod is welded with a folded ram, and one end of the folded ram, which is far away from the backstop lock rod, is positioned below the pressing plate; through setting up the book shape ram of welding on the cross axle pole, can be when the ratchet is released simultaneously with other end meshed driving gear together with gear motor together jack-up, can let the serving roll form the reversal and put the rope promptly and let heavily press the piece to descend, wait to rotate the quarter round of ratchet after, stop violently, heavily press the piece and still can last the one end distance that descends under the effect of main extension spring, form the hammer pressure of vibrations formula then.
The invention is further arranged in that the balancing end of the crossbeam plate is sleeved with a balancing weight in a sliding manner, and the top end of the tower column and the end part of the working end of the crossbeam plate are fixed with the same diagonal draw bar; the overall stability of the device is improved.
The invention is further arranged in that a rotatable rotating shaft is arranged at the top end of the supporting seat, and a bayonet groove matched with the shape of the top end of the rotating shaft is reserved at the bottom end of the tower column; can be when overhauing, rotate whole to the opposite side, perhaps set up a plurality of stations and hammer in turn and press.
The primary filter pressing mechanism comprises a base fixed at the bottom end of a sludge tank, wherein a contraction groove is formed in the upper surface of the base, a raised circular table is reserved at the bottom of the contraction groove, and the diameter of the circular table is the same as the inner diameter of the sludge tank; a positioning rod is fixed at the bottom of the shrinkage groove close to the edge of the circular truncated cone, a coil spring pressure filter plate is fixed on the side face of the positioning rod, a magnet column is fixed at one end, away from the positioning rod, of the coil spring pressure filter plate, a pull rope is fixed in the middle of the magnet column, a hydraulic ejector rod is fixed on the side face of the base, located at the outlet end of the pull rope, and the end part of an extension rod of the hydraulic ejector rod is fixed at the end part of the pull rope; a sewage draining hole communicated with the interior of the shrinkage groove is reserved on the side surface of the base; through the coil spring filter-pressing board that sets up, can be when transversely compressing at the beginning, only need control hydraulic ram's extension rod extension, draw the coil spring filter-pressing board of dragging then and can carry out transverse contraction to mud to discharge sewage through the blowoff hole.
The invention is further arranged in that a step clamping groove is formed in the middle of the circular truncated cone, a supporting plate is clamped in the step clamping groove, and a telescopic rod is arranged at the bottom end of the supporting plate; after all filter pressing steps are completed, the extension rod of the telescopic rod is controlled to extend out, and then the sludge cake can be lifted out.
The beneficial effects of the invention are as follows:
1. through the primary filter pressing mechanism, the secondary filter pressing plate and the heavy briquetting controlled by the intermittent rope releasing mechanism, the sludge can be transversely compressed through the primary filter pressing mechanism at first, then the sludge with more water is longitudinally extruded through the secondary filter pressing plate, then the top end of the secondary filter pressing plate is hammered again under the action of the intermittent falling fit main tension spring of the heavy briquetting, then the sludge containing impurities is hammered into a cake shape with less water content, and the later-stage transportation or landfill treatment is facilitated.
2. Open the pipe hanger that has the through-hole through the external pump that sets up and bottom, can press at the second grade filter-pressing board after and extract its unnecessary liquid on top fast, ensure that second grade filter-pressing board upper surface does not have the resistance of water, let the heavy briquetting that the later stage pushed down have bigger impact kinetic energy and act on the surface at second grade filter-pressing board then to continue to form the punching press to mud.
3. The lower surface through setting up is opened the crowded basin that has the cross-section to be isosceles trapezoid structure, can form the side direction extrusion force to the upper surface of mud under heavily pressing, can also in time discharge the slot department on moisture follow top, improves drainage effect for the mud cake after the filter-pressing is harder dry.
4. Through setting up the book shape ram of welding on the cross axle pole, can be when the ratchet is released simultaneously with other end meshed driving gear together with gear motor together jack-up, can let the serving roll form the reversal and put the rope promptly and let heavily press the piece to descend, wait to rotate the quarter round of ratchet after, stop violently, heavily press the piece and still can last the one end distance that descends under the effect of main extension spring, form the hammer pressure of vibrations formula then.
5. Through the coil spring filter-pressing board that sets up, can be when transversely compressing at the beginning, only need control the extension rod extension of hydraulic ram, drag the coil spring filter-pressing board of drawing then and can carry out horizontal shrink to mud to discharge sewage through the blowoff hole.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a multi-chamber multistage filter-pressing sludge dewatering device provided by the invention;
FIG. 2 is a schematic bottom view of a multi-chamber multistage filter-pressing sludge dewatering device according to the present invention;
FIG. 3 is a top view of a multi-chamber multistage filter-pressing sludge dewatering device according to the present invention;
FIG. 4 is a front view of a multi-chamber multistage pressure filtration sludge dewatering apparatus according to the present invention;
FIG. 5 is a schematic structural diagram of a multi-chamber multi-stage pressure filtration sludge dewatering device provided by the invention after a sludge tank is removed;
FIG. 6 is a schematic structural diagram of a secondary filter pressing plate of a multi-chamber multi-stage filter pressing sludge dewatering device provided by the invention;
FIG. 7 is an exploded view of a primary filter pressing mechanism of a multi-chamber multi-stage filter pressing sludge dewatering device according to the present invention;
FIG. 8 is a schematic structural view of an intermittent rope releasing mechanism of a multi-cavity multistage filter-pressing sludge dewatering device provided by the invention;
FIG. 9 is a schematic structural diagram of a multi-chamber multistage filter-pressing sludge dewatering device according to the present invention during operation of a heavy briquetting;
FIG. 10 is a schematic structural diagram of a primary filter pressing mechanism of a multi-chamber multi-stage filter pressing sludge dewatering device according to the present invention;
fig. 11 is a schematic structural diagram of a coil spring filter pressing plate in a multi-chamber multi-stage filter pressing sludge dewatering device provided by the invention.
In the figure: 1. a supporting seat; 2. a diversion trench; 3. a blow-off pipe; 4. an external pump; 5. a tower column; 6. folding ram; 7. a reduction motor; 8. a groove-shaped sliding rail; 81. a first driven gear; 82. a driven gear II; 83. a rope winding roller; 84. a roll shaft; 85. a spring catch plate; 86. a backstop lock rod; 87. pressing a plate; 88. a spring baffle; 89. a ratchet wheel; 810. an elliptical top wheel; 811. an extension spring; 812. a rope releasing motor; 813. a first driving gear; 9. a beam plate; 10. a rope winding rod; 11. a pulley block; 12. pulling a first rope; 13. a fixing frame; 14. hanging a pipe; 15. briquetting; 16. a water discharge tank; 17. a sludge tank; 18. a sewage draining hole; 19. a primary filter pressing mechanism; 191. a support plate; 192. positioning a rod; 193. a contraction groove; 194. pressing the filter plate by a coil spring; 195. a magnetic column; 20. pulling a rope; 21. a hydraulic ejector rod; 22. a telescopic rod; 23. a balancing weight; 24. a secondary filter pressing plate; 25. a discharge pipe; 26. a rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-11, a multi-chamber multistage filter-pressing sludge dewatering device comprises a sludge tank 17 which is integrally in a circular ring structure, the bottom wall thickness is large, and the tension under heavy pressure is borne to prevent the sludge tank 17 from expanding and cracking; the bottom of the sludge tank 17 is provided with a primary filter pressing mechanism 19, the side surface of the sludge tank 17 is fixed with a supporting seat 1, the top end of the supporting seat 1 is rotatably connected with a vertical tower column 5, the middle of the tower column 5 is fixed with a horizontally arranged crossbeam plate 9, the crossbeam plate 9 is divided into a working end and a balance end, the working end extends into the position right above the central position of the sludge tank 17, a pulley block 11 is arranged below the working end of the crossbeam plate 9, the pulley block 11 comprises a fixed pulley fixed on the lower surface of the crossbeam plate 9, a movable pulley and a steel wire rope wound between the fixed pulley and the movable pulley, the surface of the movable pulley is provided with a fixed frame, the bottom end of the fixed frame is fixed with a main tension spring, the bottom end of the main tension spring is fixed with a heavy pressure block 15, the whole heavy pressure block 15 is of a cylindrical structure, the outer wall of the heavy pressure block is in clearance fit with the circumferential inner wall of the sludge tank 17, and the lower surface of the crossbeam plate 9 is provided with an intermittent rope releasing mechanism matched with the movable end of the steel wire rope near the middle part; four guide holes distributed at equal intervals are formed in the lower surface of the heavy pressing block 15 close to the circumferential edge, hanging pipes 14 are connected in the four guide holes in a sliding mode, and the same secondary pressure filtering plate 24 is fixed at the bottom end of each hanging pipe 14; when the primary filter pressing mechanism 19, the secondary filter pressing plate 24 and the heavy pressing block 15 controlled by the intermittent rope releasing mechanism are arranged, when messy sludge or garbage in the sludge pool 17 is dewatered, firstly, the sludge is transversely compressed through the primary filter pressing mechanism 19, then, the sludge containing more water is longitudinally extruded through the free falling of the secondary filter pressing plate 24 under the condition of the self gravity of the sludge, the liquid which is obviously easy to separate is extruded out, meanwhile, the liquid extruded to the upper part of the secondary filter pressing plate 24 is extracted, then, the top end of the secondary filter pressing plate 24 is hammered again under the action of the intermittent falling of the heavy pressing block 15 and the main tension spring, the acting force is transmitted to the top end of the sludge, so that the sludge is hammered, the sludge containing impurities is pressed into a cake shape with little water content, and the later-stage transportation or landfill treatment is facilitated.
In the invention, the top ends of four hanging pipes 14 are sleeved with the same fixed frame 13, an external pump 4 is fixed at one side of the top end of the fixed frame 13 close to a support seat 1, a three-way pipe is arranged at the water inlet end of the external pump 4, water inlet hoses are sleeved at two water inlet ends of the three-way pipe and are respectively communicated with the top ends of two hanging pipes 14, through holes are respectively formed in the outer circumferential wall of each hanging pipe 14 close to the bottom end, and anti-blocking nets are respectively arranged in the through holes; open the pipe hanger 14 that has the through-hole through the external pump 4 that sets up and bottom, can press the filter-pressing board 24 at second grade and draw the unnecessary liquid on its top fast after crossing, ensure that second grade filter-pressing board 24 upper surface does not have the resistance of water, let the heavy briquetting 15 that pushes down in later stage then have bigger impact kinetic energy and be used in the surface of second grade filter-pressing board 24 to continue to form the punching press to mud.
Referring to fig. 1, a diversion trench 2 is arranged at the top end of a supporting seat 1 close to the circumferential edge, a sewage discharge pipe 3 is inserted into one side of the bottom of the diversion trench 2 far away from a sludge tank 17, a discharge pipe 25 is inserted into the water outlet end of an external pump 4, and the outlet of the discharge pipe 25 is lapped above the bottom of the diversion trench 2; through the diversion trench 2 of the annular structure and the discharge pipe 25 which is arranged above the diversion trench 2, the external pump 4 and the diversion trench 2 can move freely after the device pumps water, and the external pump and the diversion trench 2 do not affect each other.
Referring to fig. 1 and 5, a longitudinally arranged rope winding rod 10 is fixed at the top end of the working end of the beam plate 9, two symmetrical pull ropes one 12 are wound at two ends of the rope winding rod 10, and one ends of the two pull ropes one 12 far away from the rope winding rod 10 are respectively fixed at two sides of a fixed frame 13; a second driven gear 82 is fixed at one end of the rope winding rod 10, a driving motor is fixed on the upper surface of the beam plate 9 close to the second driven gear 82, and a third driving gear meshed with the second driven gear 82 is fixed at the top end of an output shaft of the driving motor; the rope winding rod 10 is arranged, so that the fixing frame 13 can be kept in a horizontal state when being pulled up or lowered down in use.
Referring to fig. 5-6, the lower surface of the heavy pressing block 15 is provided with a plurality of rows of parallel water squeezing grooves, the cross sections of the water squeezing grooves are in a regular isosceles trapezoid structure, the outer wall of the circumference of the heavy pressing block 15 is provided with three to six vertical water drainage grooves 16, and the water drainage grooves 16 penetrate through the upper end and the lower end of the heavy pressing block 15; the overall shape of the secondary pressure filter plate 24 is matched with the concave shape of the lower surface of the heavy pressure block 15; and a plurality of holes are arranged on the secondary filter pressing plate 24; the lower surface through setting up is opened the crowded basin that has the cross-section to be isosceles trapezoid structure, can form the side direction extrusion force to the upper surface of mud under heavily pressing, can also in time discharge the slot department on moisture follow top, improves drainage effect for the mud cake after the filter-pressing is harder dry.
Referring to fig. 8, the number of the movable pulleys in the pulley block 11 is one less than that of the fixed pulleys, and the movable end of the steel wire rope extends in the direction of the tower column 5 by passing around the topmost fixed pulley, wherein the intermittent rope releasing mechanism includes a rope winding roller 83 rotatably disposed below the beam plate 9, two ends of the rope winding roller 83 are respectively reserved with a roller shaft 84, the ends of the two roller shafts 84 are respectively fixed with a ratchet 89 and a driven gear one 81, two slotted slide rails 8 with opposite openings and parallel to each other are fixed on one side of the driven gear one 81 on the side surface of the beam plate 9, the same gear motor 7 is connected between the two slotted slide rails 8 in a sliding manner, and a first driving gear 813 meshed with the driven gear one 81 is fixed on the top end of an output shaft of the gear motor 7; a spring baffle plate 88 is fixed between the top ends of the two groove-shaped slide rails 8, a sliding bearing is embedded in the middle of the spring baffle plate 88, the middle of the sliding bearing is connected with a sliding shaft in a sliding manner, the bottom end of the sliding shaft is fixed on the upper surface of the speed reducing motor 7, a return spring is fixed between the upper surface of the speed reducing motor 7 and the lower surface of the spring baffle plate 88, and a pressing plate 87 is fixed at the top end of the sliding shaft; when the meshing effect is improved and the rope winding roller 83 needs to reversely wind the steel wire rope, the speed reducing motor 7 is only required to be lifted a little distance along the sliding groove of the groove-shaped sliding rail 8; the other side of the beam plate 9 is rotatably provided with a backstop locking rod 86 matched with the ratchet wheel 89, one end, far away from the ratchet wheel 89, of the upper surface of the backstop locking rod 86 is fixedly provided with an extension spring 811, the top end of the extension spring 811 is fixedly provided with a spring clamping plate 85, the spring clamping plate 85 is fixedly arranged on the side surface of the beam plate 9 through a screw, the side surface of the backstop locking rod 86 is fixedly provided with a transverse shaft rod, the lower surface of the transverse shaft rod is provided with an oval top wheel 810 attached to the transverse shaft rod, the lower surface of the beam plate 9 is fixedly provided with a rope releasing motor 812, and the oval top wheel 810 is fixedly arranged at the top end of an output shaft of the rope releasing motor 812; the outer wall of the transverse shaft rod is welded with a folded ram 6, and one end of the folded ram 6, which is far away from the backstop locking rod 86, is positioned below the pressing plate 87; through setting up the book shape ram 6 of welding on the horizontal axis pole, can be when ratchet 89 is released simultaneously with one 813 of other end meshing together with gear motor 7 is together kicked up, can let serving roller 83 form the reversal and put the rope promptly and let heavily briquetting 15 descend, wait to rotate the quarter round of ratchet 89 after, stop suddenly, heavily briquetting 15 still can last decline one end distance under the effect of main extension spring, form the hammering of vibrations formula then and press.
Referring to fig. 5, the balancing end of the crossbeam plate 9 is slidably sleeved with a counterweight 23, and the top end of the tower column 5 and the end of the working end of the crossbeam plate 9 are fixed with the same diagonal draw bar; the overall stability of the device is improved.
Referring to fig. 6, a rotatable rotating shaft 26 is arranged at the top end of the supporting seat 1, and a bayonet groove matched with the shape of the top end of the rotating shaft 26 is reserved at the bottom end of the tower column 5; can be when overhauing, rotate whole to the opposite side, perhaps set up a plurality of stations and hammer in turn.
Referring to fig. 7, 10 and 11, the primary filter pressing mechanism 19 comprises a base fixed at the bottom end of the sludge tank 17, the outer diameter of the base is equal to that of the bottom end of the sludge tank 17, a contraction groove 193 is formed in the upper surface of the base, a raised circular truncated cone is reserved at the bottom of the contraction groove 193, and the diameter of the circular truncated cone is the same as the inner diameter of the sludge tank 17; a positioning rod 192 is fixed at the bottom of the shrinkage groove 193 close to the edge of the circular truncated cone, a coil spring pressure filter plate 194 is fixed on the side surface of the positioning rod 192, a magnet column 195 is fixed at one end, far away from the positioning rod 192, of the coil spring pressure filter plate 194, a pull rope 20 is fixed in the middle of the magnet column 195, a hydraulic push rod 21 is fixed on the side surface of the base, located at the outlet end of the pull rope 20, and the end of an extension rod of the hydraulic push rod 21 is fixed at the end of the pull rope 20; a sewage discharge hole 18 communicated with the interior of the shrinkage groove 193 is reserved on the side surface of the base; through the coil spring filter-pressing board 194 that sets up, can be when transversely compressing at the beginning, only need control hydraulic ram 21's extension rod extension, draw coil spring filter-pressing board 194 then and can transversely contract mud to discharge sewage through blowoff hole 18.
Referring to fig. 2 and 7, a stepped clamping groove is formed in the middle of the circular truncated cone, a supporting plate 191 is clamped in the stepped clamping groove, and a telescopic rod 22 is arranged at the bottom end of the supporting plate 191; after all the filter pressing steps are finished, the extension rod of the telescopic rod 22 is controlled to extend out, and then the sludge cake can be lifted out.
When the device is used, the primary filter pressing mechanism 19, the secondary filter pressing plate 24 and the heavy pressing block 15 controlled by the intermittent rope releasing mechanism are arranged, when messy sludge or garbage in a sludge pool 17 is dewatered, firstly, the extension rod of the hydraulic ejector rod 21 is controlled to extend, then the pull rope 20 pulls the coil spring filter pressing plate 194 to transversely contract the sludge, extruded sewage is discharged through the sewage discharge hole 18, then the sludge with more water is longitudinally extruded under the condition of free falling of the secondary filter pressing plate 24 and self gravity, obviously and easily separated liquid is extruded, meanwhile, the external pump extracts the liquid extruded to the upper part of the secondary filter pressing plate 24, then the intermittent falling of the heavy pressing block 15 is matched with the action of the main tension spring to hammer-press and forge the top end of the secondary filter pressing plate 24 again, acting force is transmitted to the top end of the sludge to hammer-press and forge the sludge with impurities, and then the sludge with impurities is pressed into a cake shape with less water content, and later-period transportation or landfill treatment is facilitated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A multi-cavity multi-stage filter-pressing sludge dewatering device comprises a sludge tank (17) which is integrally in a circular ring structure, and is characterized in that a primary filter-pressing mechanism (19) is arranged at the bottom of the sludge tank (17);
a supporting seat (1) is fixed on the side face of the sludge tank (17), the top end of the supporting seat (1) is rotatably connected with a vertical tower column (5), a horizontally arranged cross beam plate (9) is fixed in the middle of the tower column (5), the cross beam plate (9) is divided into a working end and a balance end, the working end extends into the position right above the central position of the sludge tank (17), a pulley block (11) is arranged below the working end of the cross beam plate (9), the pulley block (11) comprises a fixed pulley fixed on the lower surface of the cross beam plate (9), a movable pulley and a steel wire rope wound between the fixed pulley and the movable pulley, a fixed frame is arranged on the surface of the movable pulley, a main tension spring is fixed at the bottom end of the fixed frame, a heavy pressing block (15) is fixed at the bottom end of the main tension spring, the whole heavy pressing block (15) is of a cylindrical structure, the outer wall of the heavy pressing block forms clearance fit with the circumferential inner wall of the sludge tank (17), and an intermittent rope releasing mechanism matched with the end of the steel wire rope is arranged on the lower surface of the cross beam plate (9) close to the middle;
the lower surface of the heavy pressing block (15) is close to the edge of the circumference, four guide holes distributed equidistantly are formed in the lower surface of the heavy pressing block, hanging pipes (14) are connected in the four guide holes in a sliding mode, and the bottom end of each hanging pipe (14) is fixed with the same two-stage pressing filter plate (24).
2. The multi-chamber multi-stage filter pressing sludge dewatering equipment according to claim 1, wherein the top ends of the four hanging pipes (14) are sleeved with the same fixed frame (13), an external pump (4) is fixed on one side, close to the supporting base (1), of the top end of the fixed frame (13), a three-way pipe is arranged at the water inlet end of the external pump (4), water inlet hoses are sleeved on two water inlet ends of the three-way pipe and are respectively communicated with the top ends of the two hanging pipes (14), through holes are formed in the outer circumferential wall of each hanging pipe (14), close to the bottom end, and an anti-blocking net is arranged in each through hole.
3. A multi-chamber multi-stage filter-pressing sludge dewatering device according to claim 2, wherein the top end of the support base (1) is provided with a diversion trench (2) near the circumferential edge, one side of the bottom of the diversion trench (2) far away from the sludge tank (17) is inserted with a sewage discharge pipe (3), the water outlet end of the external pump (4) is inserted with a discharge pipe (25), and the outlet of the discharge pipe (25) is lapped above the bottom of the diversion trench (2).
4. A multi-chamber multi-stage filter-pressing sludge dewatering device according to claim 1, wherein the top end of the working end of the beam plate (9) is fixed with a longitudinally arranged rope winding rod (10), and two ends of the rope winding rod (10) are wound with mutually symmetrical first pulling ropes (12), and the ends of the two first pulling ropes (12) far away from the rope winding rod (10) are respectively fixed on two sides of the fixed frame (13); one end of the rope winding rod (10) is fixed with a driven gear II (82), the upper surface of the beam plate (9) close to the driven gear II (82) is fixed with a driving motor, and the top end of an output shaft of the driving motor is fixed with a driving gear III meshed with the driven gear II (82).
5. The multi-chamber multi-stage filter-pressing sludge dewatering equipment according to claim 1, wherein a plurality of rows of parallel squeezing grooves are formed in the lower surface of the heavy pressing block (15), the cross section of each squeezing groove is of a regular isosceles trapezoid structure, three to six vertical drainage grooves (16) are formed in the outer wall of the circumference of the heavy pressing block (15), and the drainage grooves (16) penetrate through the upper end and the lower end of the heavy pressing block (15); the overall shape of the secondary pressure filter plate (24) is matched with the concave shape of the lower surface of the heavy pressure block (15); and a plurality of holes are arranged on the secondary pressure filter plate (24).
6. A multi-chamber multi-stage filter-pressing sludge dewatering device according to claim 1, wherein the number of the movable pulleys in the pulley block (11) is one less than that of the fixed pulleys, and the movable end of the wire rope goes around the topmost fixed pulley and extends towards the direction of the tower column (5), wherein the intermittent rope-releasing mechanism comprises a rope-winding roller (83) rotatably arranged below the beam plate (9), the two ends of the rope-winding roller (83) are respectively reserved with a roller shaft (84), the end parts of the two roller shafts (84) are respectively fixed with a ratchet wheel (89) and a driven gear I (81), one side of the beam plate (9) positioned at the driven gear I (81) is fixed with two grooved slide rails (8) with opposite openings and parallel to each other, the same speed-reducing motor (7) is slidably connected between the two grooved slide rails (8), and the top end of the output shaft of the speed-reducing motor (7) is fixed with a driving gear I (813) meshed with the driven gear I (81); a spring baffle (88) is fixed between the top ends of the two groove-shaped sliding rails (8), a sliding bearing is embedded in the middle of the spring baffle (88), the middle of the sliding bearing is connected with a sliding shaft in a sliding manner, the bottom end of the sliding shaft is fixed on the upper surface of the speed reducing motor (7), a return spring is fixed between the upper surface of the speed reducing motor (7) and the lower surface of the spring baffle (88), and a pressing plate (87) is fixed at the top end of the sliding shaft;
the other side of the cross beam plate (9) is rotatably provided with a backstop locking rod (86) matched with the ratchet wheel (89), one end, far away from the ratchet wheel (89), of the upper surface of the backstop locking rod (86) is fixedly provided with an extension spring (811), the top end of the extension spring (811) is fixedly provided with a spring clamping plate (85), the spring clamping plate (85) is fixedly arranged on the side surface of the cross beam plate (9) through a screw, the side surface of the backstop locking rod (86) is fixedly provided with a cross shaft rod, the lower surface of the cross shaft rod is provided with an elliptical top wheel (810) attached to the cross shaft rod, the lower surface of the cross beam plate (9) is fixedly provided with a rope releasing motor (812), and the elliptical top wheel (810) is fixedly arranged at the top end of an output shaft of the rope releasing motor (812); the outer wall of the transverse shaft rod is welded with a folded ram (6), and one end of the folded ram (6) far away from the backstop lock rod (86) is positioned below the pressure plate (87).
7. A multi-chamber multi-stage filter-pressing sludge dewatering equipment according to claim 1, wherein the balancing end of the beam plate (9) is slidably sleeved with a balancing weight (23), and the top end of the tower column (5) and the end part of the working end of the beam plate (9) are fixed with the same diagonal draw bar.
8. A multi-chamber multi-stage filter-pressing sludge dewatering device according to claim 1, wherein a rotatable rotating shaft (26) is arranged at the top end of the supporting base (1), and a bayonet groove matched with the shape of the top end of the rotating shaft (26) is reserved at the bottom end of the tower column (5).
9. The multi-chamber multi-stage filter-pressing sludge dewatering equipment according to claim 1, wherein the primary filter-pressing mechanism (19) comprises a base fixed at the bottom end of the sludge tank (17), a contraction groove (193) is formed in the upper surface of the base, a raised circular truncated cone is reserved at the bottom of the contraction groove (193), and the diameter of the circular truncated cone is the same as the inner diameter of the sludge tank (17); a positioning rod (192) is fixed at the bottom of the shrinkage groove (193) close to the edge of the circular truncated cone, a coil spring pressure filter plate (194) is fixed on the side face of the positioning rod (192), a magnet column (195) is fixed at one end, far away from the positioning rod (192), of the coil spring pressure filter plate (194), a pull rope (20) is fixed in the middle of the magnet column (195), a hydraulic ejector rod (21) is fixed at the side face of the base, located at the outlet end of the pull rope (20), and the end part of an extension rod of the hydraulic ejector rod (21) is fixed at the end part of the pull rope (20);
a sewage discharge hole (18) communicated with the interior of the shrinkage groove (193) is reserved on the side surface of the base.
10. The multi-chamber multi-stage filter-pressing sludge dewatering equipment according to claim 9, wherein a stepped clamping groove is formed in the middle of the circular truncated cone, a supporting plate (191) is clamped in the stepped clamping groove, and a telescopic rod (22) is arranged at the bottom end of the supporting plate (191).
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| CN202310224539.4A CN115947519A (en) | 2023-03-10 | 2023-03-10 | Multi-cavity multi-stage filter-pressing sludge dewatering equipment |
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| CN202310224539.4A CN115947519A (en) | 2023-03-10 | 2023-03-10 | Multi-cavity multi-stage filter-pressing sludge dewatering equipment |
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