CN116550468B - Magnetic separation equipment with gradient structure - Google Patents
Magnetic separation equipment with gradient structure Download PDFInfo
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- CN116550468B CN116550468B CN202310826143.7A CN202310826143A CN116550468B CN 116550468 B CN116550468 B CN 116550468B CN 202310826143 A CN202310826143 A CN 202310826143A CN 116550468 B CN116550468 B CN 116550468B
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- magnetic separation
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- magnetic
- driving
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- 238000007885 magnetic separation Methods 0.000 title claims abstract description 103
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000010802 sludge Substances 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims description 21
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 30
- 239000002351 wastewater Substances 0.000 abstract description 30
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 239000006148 magnetic separator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
- B03C1/12—Magnetic separation acting directly on the substance being separated with cylindrical material carriers with magnets moving during operation; with movable pole pieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
- B03C1/18—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation
- B03C1/20—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation in the form of belts, e.g. cross-belt type
Abstract
The invention relates to the technical field of magnetic separation, in particular to magnetic separation equipment with a gradient structure, which comprises a collecting box and a pair of magnetic separation frames with different heights, wherein the top edges of the sides of the collecting box are provided with a liquid collecting cavity and a liquid collecting cavity respectively, the high ends and the low ends of the magnetic separation frames are positioned above the liquid collecting cavity and the liquid collecting cavity respectively, a conveying belt is arranged between the pair of magnetic separation frames, a belt adjusting group for adjusting the switching of the conveying belt between a plane and a step surface is arranged below the upper inclined surface of the conveying belt, and a filtering group is arranged above the high ends of the pair of magnetic separation frames. According to the invention, the conveyor belt is pulled by the pair of folding rod groups through the set adjusting belt groups, and the conveyor belt is driven to fold to be in a step surface state under the sliding extrusion of the driving shaft at the lower end of the folding rod groups, so that the flowing water falls to the step surface from a high place to form an impact effect, and further, sludge in the wastewater and sludge mixed between magnetic substances on the surface of the impact conveyor belt are dispersed, and the separation of the magnetic substances and the sludge is more thorough.
Description
Technical Field
The invention relates to the technical field of magnetic separation, in particular to magnetic separation equipment with a gradient structure.
Background
Magnetic separation devices are devices and machines that use magnetic devices to separate materials containing magnetism from other materials based on the magnetic characteristics of the materials. The method is generally used for production screening of magnetic mineral products such as magnetite and the like, and comprises waste water containing mineral products, wherein the waste water also contains more magnetic substances and can be recycled.
The magnetic separator is used for wastewater magnetic separation equipment, and usually utilizes a conveying belt or a flat plate to drain wastewater, and is magnetically attracted and separated by a permanent magnet below. Because the sludge in mineral wastewater has high turbidity, when the mineral wastewater flows through a planar conveying belt or a planar plate, the surface of the mineral wastewater is easy to cause precipitation pollution, and the problems of short periodic cleaning period and large workload are caused; in addition, the magnetic substances of the permanent magnet are easy to be mixed with sludge particles to be collected, and the water flowing on the planar conveying belt or the planar plate is smooth, so that the mixed sludge is difficult to wash away, and the sludge is also increased to be attached to the moving magnetic substances along with the continuous flowing of the wastewater.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide magnetic separation equipment with a gradient structure so as to solve the problems in the prior art.
In order to achieve the above purpose, the invention provides magnetic separation equipment with a gradient structure, which comprises a collecting box and a pair of magnetic separation frames with different heights, wherein the top edges of the sides of the collecting box are provided with a liquid collecting cavity and a liquid collecting cavity respectively;
the belt adjusting group comprises a pair of folding rod groups, a belt fixing shaft rotatably connected with the upper ends of the pair of folding rod groups, a driving shaft rotatably connected with the lower ends of the pair of folding rod groups, and an electric cylinder for driving the driving shaft to integrally move and extruding the pair of folding rod groups to be in a multi-section folding state; a plurality of magnetic blocks are clamped between the pair of folding rod groups, the fixed belt shaft is tightly inserted between the high ends of the pair of magnetic separation frames, and the driving shaft is inserted between the low ends of the pair of magnetic separation frames and can integrally slide towards the folding rod groups; a driving belt shaft is inserted between the lower parts of the high ends of the magnetic separation frames, one end of the driving belt shaft is coaxially connected with a motor, and the conveying belt is made of plastic and is sleeved outside the driving belt shaft, the fixed belt shaft and the driving shaft in a tightening state;
the filtering group comprises a net cage suspended above the conveyor belt, a water guiding tank lapped on the front side above the net cage, and a magnetic separation cylinder embedded outside the bottom of the water guiding tank; the front end top surface intercommunication of water drainage tank is equipped with the diversion mouth, the rear end bottom surface fluting of water drainage tank and notch welding have and stop the block, the upper portion of stopping the block is the circular arc board and its cambered surface both ends are equipped with the swash plate, the magnetic separation section of thick bamboo sets up inside stopping the block, one side of magnetic separation section of thick bamboo is inlayed and is equipped with the magnetic pole, the one end coaxial coupling of magnetic separation section of thick bamboo has servo motor, and the water drainage case overlap joint is open-ended in the terminal surface of box with a net.
As the further improvement of this technical scheme, the circular arc groove of pegging graft with the driving shaft has been seted up to the low side of magnetic separation frame, circular arc groove orientation magnetic separation frame high end and downwardly extending, the driving lever has closely been cup jointed at the both ends of driving shaft, the piston rod front end and the driving lever bottom of electric jar are passed through the pin and are rotated and are connected, the outside cover of electric jar is equipped with fixed cover, the fixed cover has the projection towards one side welding of collection case, the limit hole of pegging graft with the projection has been seted up to the long side of collection case and the department that is located magnetic separation frame low end.
As a further improvement of the technical scheme, the folding rod group is formed by connecting a plurality of folding rods in a head-to-tail rotation mode, a plurality of supporting rods are welded on the inner wall of each folding rod between the pair of folding rod groups, the cross sections of the supporting rods close to the two ends of the folding rods are L-shaped, and the magnetic blocks are matched with the pair of supporting rods in the L-shaped mode in a clamping mode.
As a further improvement of the technical scheme, the two ends of the fixed belt shaft are tightly sleeved with the hanging rods, the hanging rods are parallel to the upper oblique sides of the magnetic separation frame, the lower ends of the hanging rods are rotatably connected with the folding rods positioned at the uppermost part through pins, the two ends of the driving shaft are tightly sleeved with the driving rods, the driving rods are parallel to the upper oblique sides of the magnetic separation frame, and the upper ends of the driving rods are rotatably connected with the folding rods positioned at the lowermost part through pins.
As a further improvement of the technical scheme, a sleeve is sleeved between the outer side face of the fixed belt shaft and the pair of hanging rods, and a sleeve is sleeved between the outer side face of the driving shaft and the pair of driving rods.
As a further improvement of the technical scheme, the side edge of the conveying belt is provided with a bulge, the outer side edge of the conveying belt is provided with a chute which is communicated end to end, the top surface of the upper end of the folding rod is welded with a sliding block which is L-shaped, and the horizontal section of the sliding block is clamped with the chute and can slide.
As a further improvement of the technical scheme, a plurality of raised strips are arranged on the outer side face of the conveying belt at equal intervals, and the distance between two adjacent raised strips is smaller than the length of the folding rod.
As a further improvement of the technical scheme, the upper ends of the inclined plates on two sides of the blocking plate incline towards the water diversion nozzle, a cavity reserved for sludge is formed between the inclined plates of the blocking plate facing the water diversion nozzle and the water diversion tank bottom plate, a plurality of slots which are obliquely arranged are formed in the side edge of the water diversion tank and close to the water diversion nozzle, the width of each slot gradually increases from the water diversion nozzle to the blocking plate, and a filter plate is inserted in each slot.
As a further improvement of the technical scheme, the bottom surface of the net cage is of a mesh-shaped structure, brackets consisting of high and low rods are welded at the left end and the right end of the net cage, the lower end of each bracket is fixedly connected with the side edge of the upper bevel edge of the magnetic separation frame through bolts, and supporting blocks clamped with the top surface of the upper bevel edge of the magnetic separation frame are welded on the inner side of each bracket.
As a further improvement of the technical scheme, clamping strips which are clamped with the bottom edge of the rear end of the water guiding tank are symmetrically welded on the top edge of the front side of the net cage, a supporting plate is welded between the tops of the high brackets and close to the front end of the water guiding tank, a supporting ring is welded between the tops of the brackets and close to the front end of the net cage, two ends of the central shaft of the magnetic separation cylinder are spliced with a pair of supporting rings, and the servo motor is fixedly connected to the outer side face of the supporting ring through bolts.
Compared with the prior art, the invention has the beneficial effects that:
1. this magnetic separation equipment with gradient structure utilizes a pair of pole group traction conveyer belt of folding through the accent group that sets up to under the driving shaft slip extrusion of pole group lower extreme, drive the conveyer belt folding and be the step face state, make flowing water form the impact effect when falling to the step face from the eminence, and then disperse the mud in the waste water and strike the mud that mingles between the magnetic substance on the conveyer belt surface, make magnetic substance and mud separation more thoroughly.
2. This magnetic separation equipment with gradient structure, in introducing the drainage tank with waste water through the filtration group that sets up, more mud gathers in reserving the chamber department under the baffle board the blocking, start servo motor drive magnetic separation section of thick bamboo rotatory, utilize the magnetic pole to rotate to reserving the outside time and magnetism in the mud of chamber and inhale the magnetic substance of mud, and turn over baffle upper portion and mud separation, play earlier with the mud filtration of waste water and leave, make the magnetic separation on the conveyer belt thoroughly and reduce the deposit of conveyer belt surface mud, play the effect of extension conveyer belt clearance cycle.
3. This magnetic separation equipment with gradient structure is less than the length of folding rod through the interval of two adjacent sand strips on the design conveyer belt band for when receiving rivers impact on the conveyer belt step face, always have the sand strip to intercept magnetic substance, and floats such as mud then by the separation of scattering, further impel mud and magnetic substance separation.
4. This magnetic separation equipment with gradient structure through the filter plate that sets up the length difference in diversion end at the diversion case, plays to weaken the kinetic energy that rivers washed the diversion case, avoids blocking mud in baffle and the reservation chamber of diversion case to be washed away, guarantees that its gathering is by magnetic separation section of thick bamboo magnetic suction magnetic substance, promotes the magnetic separation.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present invention, and are not particularly limited. Those skilled in the art with access to the teachings of the present invention can select a variety of possible shapes and scale sizes to practice the present invention as the case may be.
FIG. 1 is a schematic view of the overall assembly structure of the present invention;
FIG. 2 is a side view of FIG. 1 of the present invention;
FIG. 3 is a second schematic diagram of the overall assembly structure of the present invention;
FIG. 4 is a side view of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic diagram of an assembling structure of a belt adjusting set according to the present invention;
FIG. 6 is a schematic view of the assembly structure of the collecting box of the present invention;
FIG. 7 is a side view of FIG. 5 in accordance with the present invention;
FIG. 8 is a side view of the present invention with the strap set in a flattened condition;
FIG. 9 is an assembled and disassembled view of the tuning belt assembly of the present invention;
FIG. 10 is a schematic view of a partial assembly structure of a folding bar assembly according to the present invention;
FIG. 11 is a diagram showing the position distribution of a conveyor belt and a plurality of magnets according to the present invention;
FIG. 12 is a schematic view of the assembly structure of the filter group of the present invention;
FIG. 13 is a schematic diagram of the assembled cage structure of the present invention;
fig. 14 is an assembled and disassembled view of the water diversion tank of the present invention.
The meaning of each reference sign in the figure is:
100. a material collecting box; 101. a liquid collection cavity; 102. a collection chamber; 110. a magnetic separation frame; 111. an arc groove; 112. a limiting hole; 120. a motor; 121. a belt driving shaft; 130. a conveyor belt; 131. a chute; 132. a convex strip; 140. a magnetic block;
200. a band adjusting group; 210. a folding rod group; 211. folding the rod; 212. a slide block; 213. a supporting rod; 220. fixing a belt shaft; 221. a sleeve; 222. a boom; 230. a driving shaft; 231. a sleeve; 232. a driving rod; 233. a deflector rod; 240. an electric cylinder; 241. a fixed sleeve;
300. a filter group; 310. a cage; 311. a bracket; 312. a backing ring; 313. a supporting plate; 314. a support block; 315. clamping strips; 320. a water drainage tank; 321. a water diversion nozzle; 322. a blocking plate; 323. a slot; 330. a magnetic separation cylinder; 331. a magnetic rod; 332. a servo motor; 340. a filter plate.
Detailed Description
The details of the invention will be more clearly understood in conjunction with the accompanying drawings and description of specific embodiments of the invention. However, the specific embodiments of the invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. Given the teachings of the present invention, one of ordinary skill in the related art will contemplate any possible modification based on the present invention, and such should be considered to be within the scope of the present invention. The terms "mounted" and "connected" are to be interpreted broadly, as they may be directly connected, or indirectly connected through an intermediary.
The terms "central axis," "vertical," "horizontal," "front," "rear," "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," and the like as used herein are based on the orientation or positional relationship shown in the drawings and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, in the description of the invention, the meaning of "a number" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-14, the present invention provides a magnetic separation device with a gradient structure, which includes a collecting box 100 and a pair of magnetic separation frames 110 with different heights arranged on top sides of the collecting box, wherein a collecting cavity 101 and a collecting cavity 102 are respectively arranged at front and rear ends of the collecting box 100, a drain pipe is welded at front end of the collecting cavity 101 in a communicating manner, and a cover plate is hinged at rear end of the collecting cavity 102 for facilitating opening and fetching; a conveyor belt 130 is arranged between the pair of magnetic separation frames 110, and the conveyor belt 130 is used for guiding the wastewater to flow towards the lower ends of the magnetic separation frames 110; the liquid collecting cavity 101 is used for collecting wastewater, and the collector cavity 102 is used for collecting magnetic substances; the high and low ends of the magnetic separation frame 110 are respectively positioned above the collector cavity 102 and the collector cavity 101, namely, the wastewater flows to the collector cavity 101, and the magnetic substances are magnetically attracted and move in the opposite direction with the water flow to fall into the collector cavity 102;
the lower part of the upper inclined surface of the conveyer belt 130 is provided with a belt adjusting group 200 for adjusting the switching of the conveyer belt 130 between the plane and the step surface, when more sludge is in the wastewater, the wastewater is enabled to obtain a drop height by adjusting the switching of the conveyer belt 130 into the step surface, so that the sludge can be dispersed, and the magnetic substances in the wastewater are magnetically separated and are not mixed with the sludge; the filtering group 300 is arranged above the high ends of the pair of magnetic separation frames 110, so that the wastewater poured into the high ends of the conveyer belt 130 is filtered by the sludge, and magnetic substances can be magnetically separated and fall onto the conveyer belt 130, so that the magnetic separation on the conveyer belt 130 is thorough, the deposition of the sludge on the surface of the conveyer belt 130 is reduced, and the cleaning period of the conveyer belt 130 is prolonged.
Specifically, the band adjusting set 200 includes a pair of folding bar sets 210, a band fixing shaft 220 rotatably connected to the upper ends of the pair of folding bar sets 210, a driving shaft 230 rotatably connected to the lower ends of the pair of folding bar sets 210, and an electric cylinder 240 for driving the driving shaft 230 to integrally move and extruding the pair of folding bar sets 210 in a multi-stage folding state; the fixed belt shaft 220 is closely inserted between the high ends of the pair of magnetic separation frames 110, and the driving shaft 230 is inserted between the low ends of the pair of magnetic separation frames 110 and can integrally slide towards the folding rod group 210;
a plurality of magnetic blocks 140 are clamped between the pair of folding rod groups 210 and are used for magnetically attracting magnetic substances in the wastewater flowing through the upper inclined surface of the conveyer belt 130; a driving belt shaft 121 is inserted between the lower parts of the high ends of the magnetic separation frames 110, one end of the driving belt shaft 121 is coaxially connected with a motor 120, and a conveying belt 130 is made of plastic and is sleeved outside the driving belt shaft 121, the fixed belt shaft 220 and the driving shaft 230 in a tightening state; the motor 120 is started to control the belt driving shaft 121 to rotate anticlockwise, so that the conveying belt 130 drives the magnetic substance to be conveyed to the high position;
when the cylinder 240 is started to shrink the piston rod, the driving shaft 230 is driven to integrally slide to the folding rod group 210, and the fixed belt shaft 220 is used for suspending the folding rod group 210, so that the folding rod group 210 drives the upper inclined surface of the conveying belt 130 to be extruded and folded into a plurality of sections, namely, a step surface state is formed, so that the flowing water forms an impact effect when falling onto the step surface from a high place, and further, the sludge in the wastewater and the sludge mixed between the magnetic substances on the surface of the impact conveying belt 130 are dispersed, so that the magnetic substances and the sludge are separated more thoroughly.
Further, the side surface of the lower end of the magnetic separation frame 110 is provided with an arc groove 111 inserted with the driving shaft 230, the arc groove 111 extends downwards towards the high end of the magnetic separation frame 110, so that after the driving shaft 230 slides towards the lower end of the arc groove 111, the relative distance between the driving shaft 230 and the fixed belt shaft 220 can be changed to promote the multi-section folding of the folding rod group 210;
the two ends of the driving shaft 230 are tightly sleeved with a deflector rod 233, the front end of a piston rod of the electric cylinder 240 is rotationally connected with the bottom end of the deflector rod 233 through a pin, a fixed sleeve 241 is sleeved outside the electric cylinder 240, a convex column is welded on one side of the fixed sleeve 241 facing the material collecting box 100, a limit hole 112 which is spliced with the convex column is formed in the long side of the material collecting box 100 and at the lower end of the magnetic separation frame 110; because the distance and angle between the shift lever 233 and the electric cylinder 240 can be changed after the driving shaft 230 slides to the lower end of the arc groove 111, the electric cylinder 240 is designed to rotate around the limiting hole 112, and the piston rod of the electric cylinder 240 is rotationally connected with the shift lever 233, so that the electric cylinder 240 and the shift lever 233 automatically obtain motion balance, and interference is avoided to prevent the movement of the driving shaft 230.
Specifically, the folding rod group 210 is formed by connecting a plurality of folding rods 211 in a head-to-tail rotation way, and a limiting structure is formed by designing a rotation bayonet of the middle folding rod 211 to be an arc opening, so that the middle folding rod 211 is prevented from rotating for a plurality of degrees, and the folding rod group 210 is ensured to form a stable step surface state after being extruded;
a plurality of supporting rods 213 are welded on the inner wall of each folding rod 211 between the folding rod groups 210 and are used for supporting a plurality of magnetic blocks 140; the cross section of the supporting rods 213 near the two ends of the folding rod 211 is L-shaped, the magnetic block 140 is in clamping fit with the pair of L-shaped supporting rods 213, and the magnetic block 140 is stably folded along with the folding rod 211 by bonding the back surface of the magnetic block 140 with the supporting rods 213.
Further, two ends of the fixed belt shaft 220 are tightly sleeved with a suspension rod 222, the suspension rod 222 is parallel to the upper oblique side of the magnetic separation frame 110, the lower end of the suspension rod 222 is rotationally connected with the folding rod 211 positioned at the uppermost part through a pin, two ends of the driving shaft 230 are tightly sleeved with a driving rod 232, the driving rod 232 is parallel to the upper oblique side of the magnetic separation frame 110, and the upper end of the driving rod 232 is rotationally connected with the folding rod 211 positioned at the lowermost part through a pin;
the sleeve 221 is sleeved on the outer side surface of the fixed belt shaft 220 and positioned between the pair of hanging rods 222, and the sleeve 231 is sleeved on the outer side surface of the driving shaft 230 and positioned between the pair of driving rods 232, so that the circulation conveying resistance of the conveying belt 130 sleeved outside the fixed belt shaft 220 and the driving shaft 230 is small.
It should be noted that, the side of the conveying belt 130 is provided with a convex shape, the outer side of the conveying belt is provided with a chute 131 which is communicated end to end, the top surface of the upper end of the folding bar 211 is welded with a sliding block 212 which is in an L shape, and the horizontal section of the sliding block 212 is clamped with the chute 131 and can slide;
when the folding rod 211 is folded, the sliding block 212 is used for pulling the conveying belt 130 to be always close to the upper parts of the magnetic blocks 140, so that magnetic substances in wastewater flowing through the upper surface of the conveying belt 130 are ensured to be magnetically absorbed;
a plurality of raised strips 132 are arranged on the outer side surface of the conveying belt 130 at equal intervals, and the interval between two adjacent raised strips 132 is smaller than the length of the folding bar 211; the magnetic substance is driven by the raised strips 132 to move upwards along with the conveyer belt 130; because the conveyer belt 130 switched to the step surface can form water flow falling impact, in order to prevent the magnetic substances on the surface of the conveyer belt 130 from being scattered by the magnetic blocks 140, the distance between two adjacent convex strips 132 is designed to be smaller than the length of the folding bar 211, so that when the step surface of the conveyer belt 130 is impacted by water flow, the convex strips 132 always intercept the magnetic substances, and the floats such as sludge are scattered and separated.
In addition, the filter set 300 includes a net cage 310 suspended above the conveyor belt 130, a water diversion box 320 overlapped on the front side above the net cage 310, and a magnetic separation drum 330 embedded outside the bottom of the water diversion box 320; the top surface of the front end of the water diversion tank 320 is communicated with a water diversion nozzle 321, and the introduced wastewater enters the water diversion tank 320 and flows to the net cage 310 to fall to the high position of the conveyer belt 130 to flow down along the same;
the bottom surface of the rear end of the water diversion tank 320 is grooved, and a blocking plate 322 is welded on the notch, namely the blocking plate 322 seals the notch, so that the bottom of the water diversion tank 320 is sealed, and the end surface of the water diversion tank 320, which is lapped on the net cage 310, is open.
Specifically, the upper part of the blocking plate 322 is an arc plate, two ends of the arc surface of the blocking plate are provided with sloping plates, the magnetic separation cylinder 330 is arranged inside the blocking plate 322, one side of the magnetic separation cylinder 330 is embedded with a magnetic rod 331, and one end of the magnetic separation cylinder 330 is coaxially connected with a servo motor 332; the upper ends of the sloping plates on the two sides of the blocking plate 322 incline towards the water diversion nozzle 321, and a cavity for reserving sludge is formed between the sloping plates of the blocking plate 322 facing the water diversion nozzle 321 and the bottom plate of the water diversion tank 320;
when the magnetic separation cylinder 330 rotates, the magnetic substances in the reserved cavity are magnetically attracted by the magnetic rod 331 and turn over along the arc plate of the blocking plate 322 to fall into the net cage 310, and then fall onto the conveyer belt 130 along with water flow; thereby blocking more sludge and relieving the pressure of magnetic separation on the conveyer belt 130;
the reserved pipe head is inserted at the side surface of the water diversion box 320 and positioned at the reserved cavity, and is provided with the sealing cover; after the wastewater is introduced, the sealing cover is opened, the suction pipe of the suction pump is connected with the reserved pipe head to suck the sludge subjected to magnetic separation, and the water guiding tank 320 can be cleaned for the next use.
Further, a plurality of slots 323 which are obliquely arranged are formed on the side edge of the water diversion tank 320 and close to the water diversion nozzle 321, the width of each slot 323 is gradually increased from the water diversion nozzle 321 to the blocking plate 322, and a filter plate 340 is inserted into each slot 323; the filter plate 340 serves to weaken the kinetic energy of water flowing into the water guiding tank 320, prevent sludge in the reserved cavity from being washed away, and ensure that the sludge is gathered and magnetically separated;
meanwhile, the surface of the filter plate 340 is attached with a felt layer to play a certain role in filtering, when the wastewater is not introduced, the filter plate 340 is pulled out to enable the sludge on the felt layer to be scraped down in the water diversion box 320 by the slot 323, and then the magnetic separation cylinder 330 can be utilized for magnetic separation of the sludge.
Notably, the bottom surface of the net cage 310 has a mesh-like structure, and the diameter of the mesh is 2mm-5mm; brackets 311 consisting of high and low rods are welded at the left end and the right end of the net cage 310 so as to stand on the magnetic separation frame 110, and the net cage 310 and the water diversion box 320 are ensured to be horizontally placed; the lower end of the bracket 311 is fixedly connected with the upper bevel edge side edge of the magnetic separation frame 110 through bolts, a supporting block 314 which is clamped with the upper bevel edge top surface of the magnetic separation frame 110 is welded on the inner side of the bracket 311, and the supporting block 314 is used for supporting the magnetic separation frame 110 to ensure the whole stable suspension of the filter group 300.
Further, the top edge of the front side of the net cage 310 is symmetrically welded with a clamping strip 315 clamped with the bottom edge of the rear end of the water guiding tank 320, so that the water guiding tank 320 is prevented from moving forwards and backwards; a supporting plate 313 is welded between the tops of the high brackets 311 and near the front end of the water guiding tank 320 and is used for supporting the bottom of the water guiding tank 320; the supporting rings 312 are welded between the tops of the brackets 311 and near the front end of the net cage 310, two ends of the central shaft of the magnetic separation cylinder 330 are inserted into the pair of supporting rings 312, and the servo motor 332 is fixedly connected to the outer side surface of the supporting rings 312 through bolts, so that the servo motor 332 works stably to drive the magnetic separation cylinder 330 to rotate.
When the magnetic separation equipment with the gradient structure encounters serious turbidity of wastewater, the electric cylinder 240 is started to shrink the piston rod to drive the whole driving shaft 230 to slide to the lower end of the circular arc groove 111, and the fixed belt shaft 220 is fixed to suspend the pair of folding rod groups 210, so that the driving rod 232 downwards overturns and presses the lower end of the folding rod groups 210 to enable the whole folding to be in a multi-section mode, and meanwhile, the upper inclined surface of the conveying belt 130 is driven to be folded to be in a multi-section mode, namely a step surface state is formed;
then, the wastewater is introduced into the water guide tank 320, more sludge is blocked by the blocking plate 322 to be accumulated at the reserved cavity, the servo motor 332 is started to drive the magnetic separation cylinder 330 to rotate, magnetic substances in the sludge are magnetically attracted when the magnetic rod 331 rotates to the outside of the reserved cavity, the magnetic substances are turned over the upper part of the blocking plate 322, and then fall into the net cage 310 along with the water flow and then fall to the top surface of the high position of the conveying belt 130;
at this time, the motor 120 is started to drive the belt driving shaft 121 to rotate anticlockwise to drive the upper surface of the conveying belt 130 to move in a reverse direction to the flow direction of the water, the wastewater flows through the step surface of the conveying belt 130, the magnetic substances therein are magnetically attracted by the plurality of magnetic blocks to be separated from the sludge, and the magnetic substances are conveyed upwards along with the conveying belt 130 to fall into the collector cavity 102, and the water flow and the sludge flow into the collector cavity 101; when the wastewater flows through the step surface of the conveyer belt 130, the flowing water forms an impact effect when falling to the step surface from a high position, so that sludge in the wastewater and sludge mixed between magnetic substances on the surface of the impact conveyer belt 130 are dispersed, and the magnetic substances and the sludge are separated more thoroughly.
It should be noted that the foregoing embodiments are merely illustrative of the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement the same, not to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (10)
1. Magnetic separation equipment with gradient structure, including collection case (100) and a pair of high-low different magnetic separation frame (110) that set up on side top, the front and back end of collection case (100) is equipped with liquid collecting cavity (101) and collection chamber (102) respectively, the high low end of magnetic separation frame (110) is located collection chamber (102) and collection chamber (101) top respectively, its characterized in that: a conveyor belt (130) is arranged between the pair of magnetic separation frames (110), a belt adjusting group (200) for adjusting the switching of the conveyor belt (130) between the plane and the step surface is arranged below the upper inclined surface of the conveyor belt (130), and a filtering group (300) is arranged above the high ends of the pair of magnetic separation frames (110);
the band adjusting group (200) comprises a pair of folding rod groups (210), a fixed band shaft (220) rotatably connected with the upper ends of the pair of folding rod groups (210), a driving shaft (230) rotatably connected with the lower ends of the pair of folding rod groups (210), and an electric cylinder (240) for driving the driving shaft (230) to integrally move and extruding the pair of folding rod groups (210) to be in a multi-section folding state; a plurality of magnetic blocks (140) are clamped between the pair of folding rod groups (210), the fixed belt shaft (220) is tightly inserted between the high ends of the pair of magnetic separation frames (110), and the driving shaft (230) is inserted between the low ends of the pair of magnetic separation frames (110) and can integrally slide towards the folding rod groups (210); a driving belt shaft (121) is inserted between the lower parts of the high ends of the magnetic separation frames (110), one end of the driving belt shaft (121) is coaxially connected with a motor (120), and the conveying belt (130) is made of plastic and is sleeved outside the driving belt shaft (121), the fixed belt shaft (220) and the driving shaft (230) in a tightening state;
the filtering group (300) comprises a net cage (310) suspended above the conveying belt (130), a water diversion box (320) lapped on the front side above the net cage (310), and a magnetic separation barrel (330) embedded outside the bottom of the water diversion box (320); front end top surface intercommunication of diversion case (320) is equipped with diversion mouth (321), the rear end bottom surface fluting of diversion case (320) and notch welding have stop baffle (322), the upper portion of stopping baffle (322) is circular arc board and its cambered surface both ends are equipped with the swash plate, magnetic separation section of thick bamboo (330) set up in stop baffle (322) inside, one side of magnetic separation section of thick bamboo (330) is inlayed and is equipped with magnetic pole (331), one end coaxial coupling of magnetic separation section of thick bamboo (330) has servo motor (332), and diversion case (320) overlap joint are open-ended in the terminal surface of box with a net (310).
2. The magnetic separation apparatus having a gradient structure according to claim 1, wherein: the utility model discloses a magnetic separation frame, including magnetic separation frame (110), fixed cover (241) are equipped with, magnetic separation frame (110) are equipped with arc groove (111) with the grafting of driving shaft (230) are offered to the low side, arc groove (111) are towards magnetic separation frame (110) high end and downwardly extending, driving shaft (230) both ends have closely cup jointed driving lever (233), piston rod front end and driving lever (233) bottom of electric jar (240) are passed through the pin and are rotated and are connected, the outside cover of electric jar (240) is equipped with fixed cover (241), one side welding of fixed cover (241) towards collection box (100) has the projection, the spacing hole (112) with the projection grafting are offered to the long side of collection box (100) and be located magnetic separation frame (110) low end department.
3. The magnetic separation apparatus having a gradient structure according to claim 2, wherein: the folding rod group (210) is formed by connecting a plurality of folding rods (211) in a head-tail rotation mode, a plurality of supporting rods (213) are welded on the inner wall of each folding rod (211) between the folding rod group (210), the cross sections of the supporting rods (213) close to the two ends of the folding rods (211) are L-shaped, and the magnetic blocks (140) are matched with the pair of supporting rods (213) in the L-shaped mode in a clamping mode.
4. The magnetic separation apparatus having a gradient structure according to claim 3, wherein: the utility model discloses a magnetic separation device, including magnetic separation frame (110), including fixed area axle (220), jib (222), bent pole (211) that are located the top, jib (222) lower extreme and are located the bent pole (211) of top through the pin rotation connection, driving pole (232) have closely been cup jointed in the both ends department of driving shaft (230), driving pole (232) are parallel with the hypotenuse on magnetic separation frame (110), the upper end of driving pole (232) and bent pole (211) that are located the below are through the pin rotation connection.
5. The magnetic separation apparatus having a gradient structure according to claim 4, wherein: the outer side surface of the fixed belt shaft (220) is sleeved with a sleeve (221) between a pair of hanging rods (222), and the outer side surface of the driving shaft (230) is sleeved with a sleeve (231) between a pair of driving rods (232).
6. The magnetic separation apparatus having a gradient structure according to claim 5, wherein: the side of conveyer belt (130) is equipped with protruding form and its outside limit is offered and is being chute (131) that end to end linked together, the upper end top surface welding of book pole (211) has slider (212) that are L, the horizontal segment and the chute (131) joint of slider (212) can slide.
7. The magnetic separation apparatus having a gradient structure according to claim 6, wherein: the outer side surface of the conveying belt (130) is provided with a plurality of raised strips (132) at equal intervals, and the interval between two adjacent raised strips (132) is smaller than the length of the folding rod (211).
8. The magnetic separation apparatus having a gradient structure according to claim 7, wherein: the inclined plate upper ends of the two sides of the blocking plate (322) incline towards the water diversion nozzle (321), a cavity for reserving sludge is formed between the inclined plate of the blocking plate (322) facing the water diversion nozzle (321) and the bottom plate of the water diversion box (320), a plurality of slots (323) which are obliquely arranged are formed in the side edge of the water diversion box (320) and are close to the water diversion nozzle (321), the width of each slot (323) gradually increases from the water diversion nozzle (321) to the direction of the blocking plate (322), and a filter plate (340) is inserted in each slot (323).
9. The magnetic separation apparatus having a gradient structure according to claim 8, wherein: the bottom surface of box with a net (310) is mesh structure, bracket (311) that comprise high-low pole are welded at both ends about box with a net (310), hypotenuse side pass through bolt fixed connection on bracket (311) lower extreme and magnet separation frame (110), the inboard welding of bracket (311) have with magnet separation frame (110) on hypotenuse top surface joint's supporting piece (314).
10. The magnetic separation apparatus having a gradient structure according to claim 9, wherein: the magnetic separation device is characterized in that clamping strips (315) which are clamped with the bottom edge of the rear end of the water diversion box (320) are symmetrically welded on the top edge of the front side of the net box (310), a supporting plate (313) is welded between the tops of the high brackets (311) and close to the front end of the water diversion box (320), supporting rings (312) are welded between the tops of the brackets (311) and close to the front end of the net box (310), two ends of the central shaft of the magnetic separation cylinder (330) are spliced with the pair of supporting rings (312), and the servo motor (332) is fixedly connected to the outer side surfaces of the supporting rings (312) through bolts.
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