CN109482267B - Electromagnetic type efficient screening device for solid waste impurities - Google Patents
Electromagnetic type efficient screening device for solid waste impurities Download PDFInfo
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- CN109482267B CN109482267B CN201811375656.6A CN201811375656A CN109482267B CN 109482267 B CN109482267 B CN 109482267B CN 201811375656 A CN201811375656 A CN 201811375656A CN 109482267 B CN109482267 B CN 109482267B
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- separation
- assembly
- conveying
- conveying assembly
- crushing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
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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
- B03C1/30—Combinations with other devices, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
Abstract
The invention provides an electromagnetic type efficient screening device for solid waste impurities, which comprises a conveying mechanism arranged on an installation frame, wherein the conveying mechanism comprises a first conveying assembly and a second conveying assembly, a crushing mechanism arranged above the feeding end of the first conveying assembly, and a separating mechanism arranged in parallel with the first conveying assembly.
Description
Technical Field
The invention relates to the technical field of sludge recycling treatment, in particular to an electromagnetic type efficient screening device for solid waste impurities.
Background
The large sewage plant in China has high impurity content and complex components of inlet water due to rain and sewage confluence, long-distance conveying and the like, and comprises various forms of organic and inorganic impurities, such as melon seed shells, pepper peels, hair fibers, sand grains and the like, wherein the impurities can be removed in sludge through crushing and incineration, but the metal impurities contained in the sludge are difficult to treat in the way, the traditional treatment cost way is to filter and remove by using a fine grid, particularly in a sludge treatment system, the content of the metal impurities in the sludge is far higher than that of the metal impurities in the inlet water due to the sludge concentration effect, and the high-concentration metal impurities cause the problems of blockage, abrasion, winding of a stirrer, formation of a scum layer, reduction of sludge cake forming rate and the like.
Among the prior art, utility model whose patent number is 201320058014.X discloses a mud lime stabilising arrangement mainly comprises dehydration sludge pond, feeding screw conveyer, compounding device, lime warehouse, curing agent warehouse, measurement feeding conveyor, rotary drum desiccator, prilling granulator, ejection of compact tilting conveyer, dust collector and exhaust-gas treatment tower. The utility model discloses a beneficial effect is: the sludge is rapidly heated by chemical heat released by hydrolysis reaction of the curing agent added into the mixing bin, so that the energy consumption required by sludge evaporation is effectively reduced; the bacterial pathogen is effectively eliminated, and the risk of regeneration of the bacterial pathogen is avoided; calcium, iron and aluminum elements added in the sludge drying treatment process are accepted by a plurality of building material products, the application of resource recycling is wide, and the sludge is harmless, reduced and recycled to form a virtuous cycle.
However, the inventor finds in practice that unqualified particles such as magnetic metal particles in sludge produced by a domestic sewage treatment plant need to be removed after drying and before outward transportation, the removed sludge can be applied to cement production and processing, the particle size of the magnetic metal particles is small, and the magnetic metal particles cannot be completely removed by a traditional fine grid filtration method.
Disclosure of Invention
Aiming at the problems, the invention provides an electromagnetic type efficient screening device for solid waste impurities, which is characterized in that a separation unit is made to have magnetism by utilizing an electromagnet to adsorb magnetic metals in sludge, the separation unit is made to rotate in the process that the separation unit moves relative to the sludge, the screening contact area between the separation unit and the sludge is enlarged, the technical problem that magnetic metal particles in the sludge are not screened thoroughly is solved, and the rapid and efficient screening work of the magnetic metals is realized.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a high-efficient screening plant of useless impurity electromagnetic type admittedly, includes the mounting bracket, still includes:
the conveying mechanism is arranged on the mounting frame and comprises a first conveying assembly and a second conveying assembly which are arranged in a staggered mode, the first conveying assembly is located below the second conveying assembly, and sludge is conveyed on the first conveying assembly;
the crushing mechanism is arranged above the feeding end of the first conveying assembly and comprises a material box and a crushing assembly, and the crushing assembly is arranged in the material box; and
the separating mechanism is parallel to the first conveying assembly and arranged above the first conveying assembly, the separating mechanism surrounds the second conveying assembly, the separating mechanism comprises a circulating assembly, a plurality of separating assemblies and a transmission assembly, the separating assemblies are arranged on the circulating assembly at equal intervals, the transmission assembly drives the separating assemblies to rotate, and the separating assemblies stir and screen the sludge conveyed on the first conveying assembly.
As an improvement, the first conveyance assembly includes:
the first conveying belt is arranged on the mounting frame in a rotating mode, and a plurality of separating belts are arranged on the first conveying belt at equal intervals along the rotating direction of the first conveying belt;
the driving motor is arranged on one side of the first conveying belt and drives the first conveying belt to rotate;
the protection plates are fixed with the mounting rack and are arranged on two sides of the first conveying belt; and
a fender, the fender set up in first conveyer belt is equipped with the one end of rubbing crusher constructs, this fender with mounting bracket fixed connection.
As an improvement, the first conveying assembly is arranged perpendicular to the second conveying assembly, and the second conveying assembly comprises:
the inclined bucket is fixedly arranged on the mounting frame, and the circulating assembly is arranged around the outer side of the inclined bucket; and
the fans are symmetrically arranged on one side of the inclined hopper, ventilate the inside of the inclined hopper and are positioned on the upper part of the inclined hopper.
As an improvement, the size reduction assembly comprises:
the crushing rollers are symmetrically arranged in the material box, rotate oppositely, and form crushing openings with the width of 1-3 mm;
the transmission gear set is arranged on one side of the crushing roller and enables the crushing roller to be matched in a rotating mode; and
and the crushing motor is arranged on the other side of the crushing roller relative to the transmission gear group and drives the crushing roller to rotate oppositely in a belt transmission connection mode.
As a refinement, the circulation assembly comprises:
the chain wheels are symmetrically arranged above the first conveying assembly and are in rotating fit with the mounting frame through rotating shafts;
the chain is in transmission fit with the chain wheel, and the separating assemblies are arranged at equal intervals along the chain; and
the circulating motor is arranged on one side of any chain wheel and drives the chain wheel to rotate.
As an improvement, the separation assembly comprises:
the connecting seat is connected and arranged on the chain;
the electromagnet is detachably connected with the connecting seat, one side of the electromagnet is connected with a relay switch, and the other side of the relay switch is connected with a power supply; and
and the separation unit spans the first conveying assembly, and two ends of the separation unit are respectively connected with the electromagnets.
As an improvement, the relay switch includes:
the shell is fixedly arranged on the connecting seat, and a linear slot is formed in the shell;
the conductive metal sheets are vertically and symmetrically arranged in the shell and are positioned on two sides of the slot;
the first elastic piece is arranged between the conductive metal sheet and the shell in an abutting mode; and
the insulating piece, the insulating piece with the slot is inserted and is closed the setting, this insulating piece set up in the upper portion of chain, and this insulating piece with mounting bracket fixed connection.
As a refinement, the separation unit comprises:
the connecting rod stretches across the first conveying assembly, and two ends of the connecting rod are respectively connected with the electromagnets;
the separation rakes are arranged at equal intervals along the length direction of the connecting rod and can be rotatably arranged with the connecting rod;
the separation nails are symmetrically arranged on two sides of the separation rake and are arranged on the separation rake in a sliding manner; and
and the second elastic pieces are arranged in one-to-one correspondence with the separation nails and are abutted between the separation rake and the separation nails.
As an improvement, the transmission assembly comprises:
a drive shaft rotatably disposed at one side of the separation rake;
the transmission chain wheels are respectively sleeved on the rotating shafts of the separation rakes;
the transmission chain is matched with the transmission chain wheel;
the driving gear is sleeved on the driving shaft; and
and the driving rack is fixedly arranged above the first conveying assembly and is meshed with the driving gear.
As an improvement, the separation rakes on the adjacent separation units are arranged in a staggered mode, and the rotation directions of the separation rakes are opposite.
The invention has the beneficial effects that:
(1) the separation unit is magnetized by utilizing the electromagnet, so that magnetic metal in the sludge is adsorbed, and the separation unit automatically rotates in the process that the separation unit moves relative to the sludge, so that the screening contact area of the separation unit and the sludge is enlarged, the technical problem that magnetic metal particles in the sludge are not screened completely is solved, and the rapid and efficient screening work of the magnetic metal is realized;
(2) when the electromagnet is arranged, the electromagnet is driven by the circulating assembly, so that when the electromagnet rotates to the position above the second conveying assembly, the electromagnetic screening iron piece loses magnetism, and magnetic metal particles adsorbed on the separation unit fall onto the second conveying assembly to be automatically output;
(3) when the separation units are arranged, the separation rakes on the adjacent separation units are arranged in a staggered mode, and the rotation directions are opposite, so that when the previous separation unit sieves the sludge, the next separation unit covers and sieves an area which is not sieved by the previous sieving unit, and sieving is more detailed;
(4) when the separation unit is arranged, the separation nail is arranged elastically, when the separation unit is magnetized by the electromagnet, the separation nail is fixed by utilizing the magnetic attraction of the electromagnet to adsorb magnetic metal particles, and when the separation unit is demagnetized, the separation nail is vibrated by utilizing the elastic characteristic of the separation nail to ensure that the magnetic metal particles adsorbed by the separation nail are better separated and separated.
In conclusion, the invention has the advantages of good screening effect and high automation degree, and is particularly suitable for the technical field of sludge screening.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a schematic cross-sectional view of the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 4;
FIG. 6 is a schematic perspective view of a relay switch according to the present invention;
FIG. 7 is a schematic structural diagram of a relay switch in a power-off state according to the present invention;
FIG. 8 is a schematic structural diagram of a relay switch in a power-on state according to the present invention;
FIG. 9 is a schematic perspective view of a separation unit according to the present invention;
FIG. 10 is an enlarged view of the structure at C in FIG. 9;
fig. 11 is a schematic structural diagram of a second embodiment of the present invention.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The first embodiment is as follows:
as shown in fig. 1, fig. 2, fig. 3 and fig. 4, an electromagnetic type efficient screening device for solid waste impurities comprises an installation frame 1, and further comprises:
the conveying mechanism 2 is arranged on the mounting frame 1, the conveying mechanism 2 comprises a first conveying assembly 21 and a second conveying assembly 22 which are arranged in a staggered mode, the first conveying assembly 21 is positioned below the second conveying assembly 22, and sludge is conveyed on the first conveying assembly 21;
the crushing mechanism 3 is arranged above the feeding end of the first conveying assembly 21, the crushing mechanism 3 comprises a material box 31 and a crushing assembly 32, and the crushing assembly 32 is arranged in the material box 31; and
the separation mechanism 4 is arranged above the first conveying assembly 21 in parallel with the first conveying assembly 21, the separation mechanism 4 is arranged around the second conveying assembly 22, the separation mechanism 4 comprises a circulation assembly 41, a plurality of separation assemblies 42 arranged on the circulation assembly 41 at equal intervals and a transmission assembly 43 driving the separation assemblies 42 to rotate, and the separation assemblies 42 stir and sieve the sludge conveyed on the first conveying assembly 21.
It should be noted that the first conveyor unit 21 conveys the sludge crushed by the crushing mechanism 3, and the second conveyor unit 22 conveys the magnetic metal particles separated from the sludge conveyed by the first conveyor unit 21 by the separating mechanism 4.
It is further described that when the circulation component 41 drives the separation component 42 to rotate to the lower part of the second conveying component 22, the separation component 42 is electrified and magnetized to stir the sludge conveyed on the first conveying component 21 and suck out the magnetic metal particles in the sludge, and when the circulation component 41 drives the separation component 42 to rotate to the upper part of the second conveying component 22, the separation component 42 is powered off and demagnetized, and the magnetic metal particles adsorbed on the separation component 42 fall onto the second conveying component 22 to be output.
It is worth specifically saying that, while the separation assembly 42 is driven by the circulation assembly 41 to revolve to stir the sludge conveyed on the first conveying assembly 21, the transmission assembly 43 drives the separation assembly 42 to rotate, so as to enlarge the screening contact area of the separation assembly 42 and the sludge within a single operation time, so that the screening effect is thorough, and the screening speed is faster.
As shown in fig. 1, as a preferred embodiment, the first carrying assembly 21 includes:
the first conveying belt 211 is rotatably arranged on the mounting frame 1, and a plurality of separating belts 212 are equidistantly arranged on the first conveying belt 211 along the rotating direction of the first conveying belt 211;
a driving motor 213, wherein the driving motor 213 is disposed at one side of the first conveying belt 211, and the driving motor 213 drives the first conveying belt 211 to rotate;
a shielding plate 214, the shielding plate 214 being fixed to the mounting frame 1, the shielding plate 214 being disposed on both sides of the first conveyor belt 211; and
a mudguard 215, wherein the mudguard 215 is arranged at one end of the first conveying belt 211, which is provided with the crushing mechanism 3, and the mudguard 215 is fixedly connected with the mounting rack 1.
It should be noted that the driving motor 213 drives the first conveying belt 211 to rotate, and since the partition belt 212 is disposed on the first conveying belt 211, the partition belt 212 has flexibility, so that sludge falling on the first conveying belt 211 is blocked by the partition belt, and the sludge is prevented from sliding on the first conveying belt 211.
Further, the guard plate 214 and the mud guard 215 are provided to prevent the crushing mechanism 3 from causing a risk of sludge splashing when discharging sludge to the first conveyor belt 211.
As shown in fig. 1 and 2, further, the first conveying assembly 21 is disposed perpendicular to the second conveying assembly 22, and the second conveying assembly 22 includes:
the inclined bucket 221 is fixedly arranged on the mounting frame 1, and the circulating assembly 41 is arranged around the outer side of the inclined bucket 221; and
and the fans 222 are symmetrically arranged on one side of the inclined hopper 221, the fans 222 ventilate the inside of the inclined hopper 221, and the fans 222 are positioned on the upper part of the inclined hopper 221.
It should be noted that the magnetic metal particles fall onto the inclined bucket 221, and due to the inclined arrangement of the inclined bucket 221, the magnetic metal particles are transported in the inclined direction of the inclined bucket 221, and the fan 222 provides an assisting force for transporting the magnetic metal particles.
As shown in fig. 2 and 4, as a preferred embodiment, the pulverizing assembly 32 includes:
the crushing rollers 321 are symmetrically arranged in the feed box 31, the crushing rollers 321 rotate oppositely, and the width of a crushing opening 322 formed between the crushing rollers 321 is 1-3 mm;
a transmission gear set 323, wherein the transmission gear set 323 is disposed at one side of the crushing roller 321, and the transmission gear set 323 rotatably engages the crushing roller 321; and
and a mill motor 324, the mill motor 324 being provided on the other side of the mill roller 321 with respect to the transmission gear set 323, the mill motor 324 driving the mill rollers 321 to rotate in opposite directions by a belt transmission connection.
It should be noted that the grinding motor 324 drives the grinding rollers 321 to rotate oppositely through the transmission gear set 323, and the grinding rollers 321 rotating oppositely separate and crush the sludge entering the material box 31, wherein a plurality of salient points are preferably arranged on the outer circumferential surface of the grinding roller 321, so that the grinding roller 321 can crush the sludge more thoroughly when rotating.
It is further explained that the width of the pulverizing opening 322 is 1-3 mm, so as to limit the particle size of the magnetic metal particles, and avoid the occurrence of magnetic metal particles with too large particle size, so that the separation assembly 42 cannot be driven by adsorption.
As shown in fig. 4, as a preferred embodiment, the circulation assembly 41 includes:
the chain wheels 411 are symmetrically arranged above the first conveying assembly 21, and the chain wheels 411 are rotationally matched with the mounting frame 1 through rotating shafts 412;
the chain 413 is arranged in a transmission fit mode with the chain wheel 411, and the separating assemblies 42 are arranged along the chain 413 at equal intervals; and
and the circulating motor 414 is arranged on one side of any chain wheel 411, and the circulating motor 414 drives the chain wheel 411 to rotate.
As shown in fig. 9, as a preferred embodiment, the separation assembly 42 includes:
the connecting seat 421 is connected to the chain 413;
the electromagnet 422 is detachably connected with the connecting seat 421, one side of the electromagnet 422 is connected with a relay switch 423, and the other side of the relay switch 423 is connected with a power supply; and
and a separating unit 424, wherein the separating unit 424 is disposed across the first conveying assembly 21, and both ends of the separating unit 424 are respectively connected to the electromagnets 422.
As shown in fig. 6, 7 and 8, the relay switch 423 further includes:
a shell 4231, wherein the shell 4231 is fixedly arranged on the connecting seat 421, and a straight slot 4232 is arranged on the shell 4231;
the conductive metal sheets 4233 are vertically and symmetrically arranged in the shell 4231, and the conductive metal sheets 4233 are positioned on two sides of the slot 4232;
the first elastic piece 4234 is arranged between the conductive metal sheet 4233 and the shell 4231 in an abutting mode; and
the insulation piece 4235 is inserted into the slot 4232, the insulation piece 4235 is arranged at the upper part of the chain 413, and the insulation piece 4235 is fixedly connected with the mounting rack 1.
As shown in fig. 9, further, the separation unit 424 includes:
a connecting rod 4241, wherein the connecting rod 4241 spans across the first conveying assembly 21, and both ends of the connecting rod 4241 are respectively connected with the electromagnets 422;
the separation rakes 4242 are arranged at equal intervals along the length direction of the connecting rod 4241, and the separation rakes 4242 and the connecting rod 4241 can be arranged in a rotating mode;
the separation nails 4243 are symmetrically arranged on two sides of the separation rake 4242, and the separation nails 4243 are slidably arranged on the separation rake 4242.
It should be noted that the circulating motor 414 drives the separation assembly 42 to rotate through the chain transmission pair composed of the chain wheel 411 and the chain 413, the separation unit 424 in the separation assembly 42 stirs the sludge on the first conveying belt 211, the magnetism is transmitted to the separation unit 424 by the magnetism generated by the electromagnet 422, and the separation unit 424 screens out the magnetic metal particles in the sludge, and it should be particularly noted that the horizontal speed of the separation assembly 42 is greater than the horizontal conveying speed of the first conveying belt 211, when the screening requirement is increased, the horizontal speed of the separation assembly 42 can be increased, so that the number of times that the separation unit 424 combs the first conveying belt 211 in unit time is increased, and further the screening quality is improved.
Further, when the insulating member 4235 is not inserted into the slot 4232 to separate the upper and lower conductive metal sheets 4233, the relay switch 423 constantly supplies power to the electromagnet 422 to generate a magnetic force, and the magnetic force generated by the electromagnet 422 is transmitted to the separation unit 424 to magnetize the separation unit 424.
As shown in fig. 5 and 9, as a preferred embodiment, the transmission assembly 43 includes:
a drive shaft 431, the drive shaft 431 rotatably disposed at one side of the separation rake 4242;
the transmission chain wheels 432 are respectively sleeved on the rotating shafts of the separation rakes 4242;
the transmission chain 433, the transmission chain 433 is matched with the transmission chain wheel 432;
the driving gear 434, the driving gear 434 is sleeved on the driving shaft 431; and
a driving rack 435, wherein the driving rack 435 is fixedly disposed above the first conveying assembly 21, and the driving rack 435 is engaged with the driving gear 434.
When the separation unit 424 rotates above the first conveyor belt 211 to screen the sludge conveyed on the first conveyor belt 211, the driving gear 434 is engaged with the driving rack 435 to rotate the driving shaft 431, and the driving chain 433 drives the driving chain wheel 432 to rotate, so that the separation unit 424 rotates, the separation unit 424 is converted from linear screening to rotary screening, and the screening range is increased.
Example two:
fig. 10 and fig. 11 are schematic structural views of a second electromagnetic efficient screening device for solid waste impurities according to the present invention; as shown in fig. 11, in which the same or corresponding components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, only the differences from the first embodiment will be described below for the sake of convenience, and the second embodiment is different from the first embodiment shown in fig. 1 in that:
as shown in fig. 11, in the electromagnetic type efficient screening device for solid waste impurities, the separation rakes 4242 on adjacent separation units 424 are arranged in a staggered manner, and the rotation directions are opposite.
As shown in fig. 10, a second elastic member 4244 is disposed below the separation nail 4243, the second elastic member 4244 is disposed in one-to-one correspondence with the separation nail 4243, and the second elastic member 4244 is disposed between the separation rake 4242 and the separation nail 4243 in an abutting manner.
It should be noted that when the separation unit 424 is provided, the separation rakes 4242 on adjacent separation units 424 are arranged in a staggered manner, and since the previous separation unit 424 is matched with the driving rack 435 on one side above the first conveying assembly 21 to realize rotation, and the next separation unit 424 is matched with the driving rack 435 on the other side above the first conveying assembly 21 to realize rotation, the rotation directions of the previous and next separation units 424 are all arranged in opposite directions, so that when the previous separation unit 424 sieves sludge, the next separation unit 424 performs covering sieving on an area where the previous sieving unit 424 is not sieved, and in the sieving process, due to the reverse arrangement of the rotation directions, sludge impurities conveyed on the first conveying assembly 21 can be leveled back and forth, and the sieving is more detailed.
It is further described that when the separation unit 424 is provided, the separation nail 4243 is elastically provided, when the electromagnet 422 makes the separation unit 424 magnetized, the magnetic attraction force of the electromagnet 422 is utilized to limit the elastic floating of the separation nail 4243, and to adsorb the magnetic metal particles, and when the separation unit 424 is demagnetized, the gravity of the separation nail 4243 and the characteristics of the elastic arrangement are utilized to make the separation nail 4243 vibrate up and down, so that the magnetic metal particles adsorbed by the separation nail 4243 can fall off and be separated better.
The working process is as follows:
the first conveying assembly 21 conveys the sludge crushed by the crushing mechanism 3, and the second conveying assembly 22 conveys the magnetic metal particles screened from the sludge conveyed by the first conveying assembly 21 by the separating mechanism 4; when the circulation component 41 drives the separation component 42 to rotate to the lower part of the second conveying component 22, the separation component 42 is electrified and magnetized, the sludge conveyed on the first conveying component 21 is stirred, magnetic metal particles in the sludge are sucked out, when the circulation component 41 drives the separation component 42 to rotate to the upper part of the second conveying component 22, the insulating piece 4235 is inserted into the slot 4232 to separate the upper conductive metal piece 4233 and the lower conductive metal piece 4233, the relay switch 423 stops supplying power to the electromagnet 422, the separation component 42 is powered off and demagnetized, and the magnetic metal particles adsorbed on the separation component 42 fall onto the second conveying component 22 to be output.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a high-efficient screening plant of solid useless impurity electromagnetic type, includes mounting bracket (1), its characterized in that still includes:
the conveying mechanism (2) is arranged on the mounting frame (1), the conveying mechanism (2) comprises a first conveying assembly (21) and a second conveying assembly (22) which are arranged in a staggered mode, the first conveying assembly (21) is located below the second conveying assembly (22), and sludge is conveyed on the first conveying assembly (21);
the crushing mechanism (3) is arranged above the feeding end of the first conveying assembly (21), the crushing mechanism (3) comprises a material box (31) and a crushing assembly (32), and the crushing assembly (32) is arranged in the material box (31); and
the separation mechanism (4), the separation mechanism (4) is parallel to the first conveying assembly (21) and is arranged above the first conveying assembly (21), the separation mechanism (4) is arranged around the second conveying assembly (22), the separation mechanism (4) comprises a circulating assembly (41), a plurality of separating assemblies (42) which are arranged on the circulating assembly (41) at equal intervals and a transmission assembly (43) for driving the separating assemblies (42) to rotate, the separating assemblies (42) stir and screen the sludge conveyed on the first conveying assembly (21), each separating assembly (42) comprises a connecting seat (421), an electromagnet (422) and a separating unit (424), the connecting seats (421) are connected and arranged on the circulating assembly (41), the electromagnets (422) are detachably connected with the connecting seats (421), and one side of the electromagnets (422) is connected with a relay switch (423), the other side of the relay switch (423) is connected with a power supply, the separation unit (424) crosses the first conveying assembly (21), two ends of the separation unit (424) are respectively connected with the electromagnet (422), the separation unit (424) comprises a connecting rod (4241), a separation rake (4242), separation nails (4243) and a second elastic piece (4244), the connecting rod (4241) crosses the first conveying assembly (21), two ends of the connecting rod (4241) are respectively connected with the electromagnet (422), the separation rake (4242) is arranged along the length direction of the connecting rod (4241) at equal intervals, the separation rake (4242) and the connecting rod (4241) can be arranged in a rotating mode, the separation nails (4243) are symmetrically arranged on two sides of the separation rake (4242), the separation nails (4243) are arranged on the separation rake (4242) in a sliding mode, and the second elastic pieces (4244) and the separation nails (4243) are arranged in a one-to-one correspondence mode, the second elastic piece (4244) is arranged between the separation rake (4242) and the separation nail (4243) in an abutting mode.
2. The electromagnetic type high-efficiency screening device for solid waste impurities, as recited in claim 1, characterized in that said first conveying assembly (21) comprises:
the first conveying belt (211) is rotatably arranged on the mounting frame (1), and a plurality of separating belts (212) are equidistantly arranged on the first conveying belt (211) along the rotating direction of the first conveying belt (211);
a drive motor (213), wherein the drive motor (213) is arranged on one side of the first conveying belt (211), and the drive motor (213) drives the first conveying belt (211) to rotate;
the protection plate (214), the protection plate (214) is fixed with the mounting rack (1), and the protection plate (214) is arranged on two sides of the first conveying belt (211); and
a fender (215), fender (215) set up in first conveyer belt (211) is equipped with the one end of rubbing crusher mechanism (3), this fender (215) with mounting bracket (1) fixed connection.
3. The electromagnetic type high-efficiency screening device for solid waste impurities, as recited in claim 1, characterized in that said first conveying assembly (21) is arranged perpendicular to said second conveying assembly (22), and said second conveying assembly (22) comprises:
the inclined bucket (221), the inclined bucket (221) is fixedly arranged on the mounting rack (1), and the circulating component (41) is arranged around the outer side of the inclined bucket (221); and
the fans (222) are symmetrically arranged on one side of the inclined hopper (221), the fans (222) ventilate the inside of the inclined hopper (221), and the fans (222) are positioned on the upper part of the inclined hopper (221).
4. The electromagnetic type high-efficiency screening device for solid waste impurities, as claimed in claim 1, characterized in that said crushing assembly (32) comprises:
the crushing rollers (321) are symmetrically arranged in the feed box (31), the crushing rollers (321) rotate oppositely, and the width of a crushing opening (322) formed between the crushing rollers (321) is 1-3 mm;
a transmission gear set (323), wherein the transmission gear set (323) is arranged on one side of the crushing roller (321), and the transmission gear set (323) enables the crushing roller (321) to be rotationally matched; and
and the crushing motor (324) is arranged on the other side of the crushing roller (321) relative to the transmission gear set (323), and the crushing motor (324) drives the crushing roller (321) to rotate oppositely in a belt transmission connection mode.
5. The electromagnetic type high-efficiency screening device for solid waste impurities, as recited in claim 1, wherein said circulation assembly (41) comprises:
the chain wheels (411) are symmetrically arranged above the first conveying assembly (21), and the chain wheels (411) are in rotating fit with the mounting frame (1) through rotating shafts (412);
the chain (413) is arranged in a transmission fit mode with the chain wheel (411), and the separating assemblies (42) are arranged along the chain (413) at equal intervals; and
the circulating motor (414), the circulating motor (414) sets up in one side of arbitrary sprocket (411), and this circulating motor (414) drives sprocket (411) is rotatory.
6. The electromagnetic type high-efficiency screening device for solid waste impurities, as claimed in claim 1, wherein said relay switch (423) comprises:
the shell (4231), the shell (4231) is fixedly arranged on the connecting seat (421), and the shell (4231) is provided with a straight slot (4232);
the conductive metal sheets (4233) are vertically and symmetrically arranged in the shell (4231), and the conductive metal sheets (4233) are positioned on two sides of the slot (4232);
a first elastic piece (4234), wherein the first elastic piece (4234) is arranged between the conductive metal sheet (4233) and the shell (4231) in an abutting mode; and
the insulation piece (4235) is inserted into the insertion groove (4232), the insulation piece (4235) is arranged at the upper part of the circulating assembly (41), and the insulation piece (4235) is fixedly connected with the mounting frame (1).
7. The electromagnetic type high-efficiency screening device for solid waste impurities, as recited in claim 1, wherein said transmission assembly (43) comprises:
a drive shaft (431), the drive shaft (431) being rotatably disposed at one side of the separation rake (4242);
the transmission chain wheels (432), the transmission chain wheels (432) are respectively sleeved on the rotating shafts of the separation rakes (4242);
the transmission chain (433), the transmission chain (433) is matched with the transmission chain wheel (432);
the driving gear (434), the driving gear (434) is set on the driving shaft (431); and
the driving rack (435) is fixedly arranged above the first conveying assembly (21), and the driving rack (435) is meshed with the driving gear (434).
8. The electromagnetic type high-efficiency screening device for solid waste impurities, as claimed in claim 1, wherein the separation rakes (4242) on adjacent separation units (424) are staggered and rotate in opposite directions.
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| CN115159795A (en) * | 2022-09-07 | 2022-10-11 | 深圳市洪桦环保科技有限公司 | Sludge extraction device for construction site |
| CN116493120B (en) * | 2023-06-29 | 2023-08-25 | 吉林大学 | Medical waste smashing device |
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