CN114700270B - Underwater construction waste metal screening device - Google Patents
Underwater construction waste metal screening device Download PDFInfo
- Publication number
- CN114700270B CN114700270B CN202210319644.1A CN202210319644A CN114700270B CN 114700270 B CN114700270 B CN 114700270B CN 202210319644 A CN202210319644 A CN 202210319644A CN 114700270 B CN114700270 B CN 114700270B
- Authority
- CN
- China
- Prior art keywords
- metal
- metal screening
- screening barrel
- cylindrical magnet
- annular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002184 metal Substances 0.000 title claims abstract description 174
- 238000012216 screening Methods 0.000 title claims abstract description 106
- 239000002699 waste material Substances 0.000 title claims abstract description 62
- 238000010276 construction Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 88
- 238000007790 scraping Methods 0.000 claims description 56
- 230000005292 diamagnetic effect Effects 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 12
- 230000005291 magnetic effect Effects 0.000 claims description 7
- 238000004064 recycling Methods 0.000 description 8
- 238000003756 stirring Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B15/00—Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/04—Stationary flat screens
-
- B08B1/165—
-
- B08B1/30—
-
- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
Abstract
The invention discloses an underwater construction waste metal screening device which comprises a metal screening barrel; the inner side surface of the metal screening barrel is provided with a cylindrical magnet, the cylindrical magnet is hollow and is coaxial with the metal screening barrel; the metal screening barrel is characterized in that a main shaft is further arranged on the axis of the metal screening barrel and can rotate around the axis of the metal screening barrel, a hollow shaft is sleeved on the outer side of the main shaft and used for driving the hollow shaft to rotate, the hollow shaft can move along the length direction of the main shaft, and a plurality of blades are arranged on the outer side surface of the hollow shaft; the fixed cover in quill shaft bottom is equipped with annular doctor-bar device, annular doctor-bar device is from metal screening barrel bottom in-process of moving up, annular doctor-bar device follow cylindricality magnet gets into in the cylindricality magnet, just annular doctor-bar device circumference tip is used for striking off the metal that adsorbs on the cylindricality magnet. This scheme of adoption, through the effect of annular doctor-bar device, can be fast with metal discharge, further improved the efficiency that metal was retrieved.
Description
Technical Field
The invention relates to the technical field of construction waste recovery, in particular to an underwater construction waste metal screening device.
Background
The underwater building is constructed underwater, which means a building which is constructed by steel or reinforced concrete and is submerged or erected in water, and can be an independent building or an underwater part or an underwater foundation of the building. In the existing life, buildings in water are inevitably washed by water flow, even collapse or rupture occurs in serious cases, and old buildings with long construction time are also abandoned; the building waste can be placed under the water in the two modes, and the building is made of steel or reinforced concrete and contains harmful substances such as metal, so that the building waste can be formed when the building waste is left under the water for a long time, and the water environment is greatly polluted.
In the prior art, a plurality of construction waste recovery devices are arranged to screen and classify the recovered construction waste and recycle the construction waste, and particularly, the recycling value of metal materials in the construction waste is high; however, the construction waste recycling device in the prior art, particularly for metal recycling, is often low in recycling efficiency and complex in process.
Disclosure of Invention
The invention aims to provide an underwater construction waste metal screening device, by adopting the scheme, metal can be quickly adsorbed to a cylindrical magnet through blade stirring, and then the metal can be quickly discharged through the action of an annular scraping device, so that the metal recovery efficiency is further improved.
The invention is realized by the following technical scheme:
an underwater construction waste metal screening device comprises a metal screening barrel;
the inner side surface of the metal screening barrel is provided with a cylindrical magnet, and the cylindrical magnet is hollow and is coaxial with the metal screening barrel;
the metal screening barrel is characterized in that a main shaft is further arranged on the axis of the metal screening barrel and can rotate around the axis of the metal screening barrel, a hollow shaft is sleeved on the outer side of the main shaft and used for driving the hollow shaft to rotate, the hollow shaft can move along the length direction of the main shaft, and a plurality of blades are arranged on the outer side surface of the hollow shaft;
the fixed cover in quill shaft bottom is equipped with annular doctor-bar device, annular doctor-bar device is from metal screening barrel bottom in-process of moving up, annular doctor-bar device follow cylindricality magnet gets into in the cylindricality magnet, just annular doctor-bar device circumference tip is used for striking off the metal that adsorbs on the cylindricality magnet.
In the prior art, when underwater construction waste is primarily recovered, a large amount of water, sludge and other various sticky substances are contained, so that the metal screening can be started only by transporting the underwater construction waste to a specified place for drying, the metal screening process is complex, the screening period is long, and the industrial production is not facilitated. The underwater construction waste recycling device comprises a metal screening barrel, wherein primarily recycled underwater construction waste can be directly conveyed to the metal screening barrel on site, seawater on site can be conveyed to the metal screening barrel, a cylindrical magnet is further arranged in the metal screening barrel, the interior of the metal screening barrel is hollow and arranged in an annular shape, metal can be adsorbed on the inner side of the cylindrical magnet at the moment, when a water surface line exceeds the upper end of the cylindrical metal, a main shaft can be driven to rotate, a hollow shaft is further sleeved on the main shaft and can synchronously rotate along with the main shaft, a plurality of blades are further arranged on the hollow shaft, and when the main shaft is rotated, the blades can stir the construction waste in the water, so that the metal is closer to the cylindrical magnet in the rotating process, and the adsorption rate of the cylindrical magnet is improved; furthermore, the bottom of the hollow shaft is fixedly sleeved with an annular scraping device, and the hollow shaft can also move along the length direction of the main shaft, so that when the hollow shaft moves upwards, the annular scraping device can be driven to move upwards, and when the hollow shaft moves upwards, the main shaft does not rotate; the initial position of the annular scraping device is located below the cylindrical magnet, the diameter of the annular scribing device is matched with the inner diameter of the cylindrical magnet, when the main shaft rotates, the main shaft stops rotating and stands still for a certain time, so that the construction waste falls below the cylindrical magnet, the hollow shaft moves upwards, the construction waste can fall to the lower side from the end part of the annular scraping device, when the annular scraping device enters from the lower end of the cylindrical magnet, the end part of the annular scraping device can gradually scrape the metal adsorbed on the cylindrical magnet, part of the metal can move upwards in an adsorption manner, part of the metal falls onto the annular scraping device, when the annular scraping device is separated from the upper end of the cylindrical magnet, the metal adsorbed on the cylindrical magnet is taken out, after the metal is discharged, the annular scraping device can return to the initial position again, and screening is repeated; wherein the annular scraping device can be made of non-metallic materials and the like.
Further optimization, the main shaft is provided with a sliding groove along the length direction of the main shaft, and the inner side of the hollow shaft is provided with a sliding block which is in sliding connection with the sliding groove; for moving the hollow shaft upward.
Further preferably, the upper end surface of the annular scraping device inclines downwards from the axis of the annular scraping device to the end part of the annular scraping device; the inclined surface is an arc surface; the device is used for reducing the construction waste falling from the upper end surface of the annular scraping device.
Further optimization, a rotating motor is arranged at the bottom of the metal screening barrel, and the output end of the rotating motor is connected with the main shaft; the top of the metal screening barrel is provided with a linear stepping motor, and the end part of an output shaft of the linear stepping motor extends into the metal screening barrel; the upper end of the hollow shaft exceeds the upper end of the main shaft and is rotationally connected with the end part of the output shaft through a bearing: the hollow shaft is rotatable about the output shaft axis; for controlling the rotation and upward movement of the hollow shaft.
Further preferably, a spiral rubber hose is coaxially arranged in the circumferential direction of the hollow shaft, and the radius of the spiral rubber hose is smaller than that of the cylindrical magnet and larger than the length of the blade; the cylindrical magnet is used for preventing metal of large building rubbish from damaging the cylindrical magnet.
Further preferably, a water outlet pipe is arranged on the side wall of the metal screening barrel, a water outlet of the water outlet pipe is positioned above the cylindrical magnet, and a first electric control valve is arranged on the water outlet pipe; for discharging the metal carried out by the annular blade device.
Further preferably, the upper end of the cylindrical magnet is further provided with an annular diamagnetic layer, the annular diamagnetic layer and the cylindrical magnet are coaxially arranged and have the same thickness, and the water outlet of the water outlet pipe is positioned at the annular diamagnetic layer; for further removal of metal.
The water outlet of the water outlet pipe is connected with a metal collecting box, and the middle part of the metal collecting box is provided with a magnetic screen; for re-screening of the metal.
Further preferably, a feeding pipe is further arranged on the side surface of the metal screening barrel, an outlet of the feeding pipe is positioned at the upper end of the cylindrical magnet, and an inlet of the feeding pipe is higher than the top of the metal screening barrel; for smooth discharge of metal from the annular blade device.
Further optimization, the top of the metal screening barrel is provided with a water inlet pipe, a second electric control valve is arranged at the water inlet pipe, the bottom of the metal screening barrel is provided with a water drainage pipe, and the water drainage pipe is provided with a third electric control valve; the device is used for controlling water inlet and drainage of the metal screening barrel in real time.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention provides an underwater construction waste metal screening device, which adopts the scheme that metal can be quickly adsorbed to a cylindrical magnet through blade stirring, and can be quickly discharged through the action of an annular scraping device, so that the metal recovery efficiency is further improved.
2. The invention provides an underwater construction waste metal screening device, which adopts the scheme that a spiral rubber pipe is adopted, so that the cylindrical magnet can be prevented from being damaged by large construction waste metal.
3. The invention provides an underwater construction waste metal screening device, which can control all parts in real time through a controller, reduce manual operation and control and achieve higher automation degree.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:
FIG. 1 is a diagram of an initial state architecture provided by the present invention;
FIG. 2 is a view showing a state of the present invention when metal is discharged;
FIG. 3 is a schematic view of the structure of the spindle and the hollow shaft provided by the present invention;
fig. 4 is a partial schematic view a provided by the present invention.
Reference numbers and corresponding part names in the figures:
1-a metal screening barrel, 101-a cylindrical magnet, 102-a main shaft, 1021-a sliding chute, 103-a hollow shaft, 1031-a sliding block, 104-a blade, 105-an annular scraping blade device, 106-a rotating motor, 107-a linear stepping motor, 108-an output shaft, 109-a bearing, 110-a water outlet pipe, 111-an annular diamagnetic layer, 112-a first electric control valve, 113-a spiral rubber pipe, 114-a feed pipe, 115-a water inlet pipe, 116-a second electric control valve, 117-a water outlet pipe, 118-a third electric control valve, 2-a metal collecting box and 201-a magnetic screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and the accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not used as limiting the present invention.
Examples
The embodiment provides an underwater construction waste metal screening device, as shown in fig. 1 to 4, comprising a metal screening barrel 1;
the inner side surface of the metal screening barrel 1 is provided with a cylindrical magnet 101, and the cylindrical magnet 101 is hollow and is coaxial with the metal screening barrel 1;
a main shaft 102 is further arranged along the axis of the metal screening barrel 1, the main shaft 102 can rotate around the axis of the main shaft 102, a hollow shaft 103 is sleeved outside the main shaft 102, the main shaft 102 is used for driving the hollow shaft 103 to rotate, the hollow shaft 103 can move along the length direction of the main shaft 102, and a plurality of blades 104 are arranged on the outer side surface of the hollow shaft 103;
an annular scraping device 105 is fixedly sleeved at the bottom of the hollow shaft 103, in the process that the annular scraping device 105 moves upwards from the bottom of the metal screening barrel 1, the annular scraping device 105 enters the cylindrical magnet 101 from the cylindrical magnet 101, and the circumferential end part of the annular scraping device 105 is used for scraping metal adsorbed on the cylindrical magnet 101.
In the prior art, because the underwater construction waste contains a large amount of moisture, sludge and other various sticky substances during primary recovery, the underwater construction waste needs to be transported to a specified place for drying in advance to start metal screening, and the metal screening process is complex, the screening period is long, and the industrial production is not facilitated. Specifically, the underwater construction waste recycling device comprises a metal screening barrel 1, wherein primarily recycled underwater construction waste can be directly conveyed to the metal screening barrel 1 on site, seawater on site can be conveyed to the metal screening barrel 1, a cylindrical magnet 101 is further arranged in the metal screening barrel 1, the interior of the cylindrical magnet 101 is hollow and arranged in an annular shape, metal can be adsorbed on the inner side of the cylindrical magnet 101 at the moment, when a water surface line exceeds the upper end of the cylindrical metal, a main shaft 102 can be driven to rotate, a hollow shaft 103 is further sleeved on the main shaft 102, the hollow shaft 103 can synchronously rotate along with the main shaft 102, a plurality of blades 104 are further arranged on the hollow shaft 103, and when the main shaft 102 is rotated, the blades 104 can stir the construction waste in water, so that the metal is closer to the cylindrical magnet 101 in the rotating process, and the adsorption rate of the cylindrical magnet 101 is improved; furthermore, the bottom of the hollow shaft 103 is fixedly sleeved with an annular scraping device 105, and the hollow shaft 103 can also move along the length direction of the main shaft 102, so that when the hollow shaft 103 moves upwards, the annular scraping device 105 can be driven to move upwards, and when the hollow shaft 103 moves upwards, the main shaft 102 does not rotate; the initial position of the annular scraping device 105 is located below the cylindrical magnet 101, the diameter of the annular scribing device is matched with the inner diameter of the cylindrical magnet 101, when the main shaft 102 rotates, the main shaft 102 stops rotating and stands still for a certain time, construction waste falls below the cylindrical magnet 101, the hollow shaft 103 moves upwards, at the moment, the construction waste can fall to the lower part from the end part of the annular scraping device 105, when the annular scraping device 105 enters from the lower end of the cylindrical magnet 101, the end part of the annular scraping device can gradually scrape metal adsorbed on the cylindrical magnet 101, part of the metal can be adsorbed and moved upwards, part of the metal falls on the annular scraping device 105, when the annular scraping device 105 is separated from the upper end of the cylindrical magnet 101, the metal adsorbed on the cylindrical magnet 101 is taken out, after the metal is discharged, the annular scraping device can return to the initial position again, and screening is repeatedly performed; wherein the annular blade arrangement 105 can be made of a non-metallic material or the like.
In this embodiment, the main shaft 102 has a sliding groove 1021 along the length direction thereof, and a sliding block 1031 slidably connected with the sliding groove 1021 is disposed inside the hollow shaft 103; in order to move the hollow shaft 103 upward, in the present embodiment, a sliding groove 1021 is disposed on the main shaft 102, wherein the sliding groove 1021 is disposed along the length direction of the main shaft 102, and two ends of the sliding groove 1021 are closed and do not go beyond the main shaft 102, so that the slider 1031 inside the hollow shaft 103 does not go beyond the main shaft 102 when sliding in the sliding groove 1021, thereby causing separation.
In this embodiment, in a direction from the axis of the annular wiper device 105 to the end of the annular wiper device 105, the upper end of the annular wiper device 105 is inclined downward; the inclined surface is an arc-shaped surface; in order to reduce the construction waste falling from the upper end surface of the annular scraping device 105, in the present embodiment, the upper end surface of the annular scraping device 105 is similar to a cone, but the inclined surface is an arc surface, and at this time, in the process of moving the annular scraping device 105 upwards, the construction waste can slide down from the arc surface more until the annular scraping device 105 enters the cylindrical magnet 101.
In this embodiment, a rotating motor 106 is disposed at the bottom of the metal screening barrel 1, and an output end of the rotating motor 106 is connected to the spindle 102; the top of the metal screening barrel 1 is provided with a linear stepping motor 107, and the end part of an output shaft 108 of the linear stepping motor 107 extends into the metal screening barrel 1; the upper end of the hollow shaft 103 exceeds the upper end of the main shaft 102, and is rotatably connected with the end of the output shaft 108 through a bearing 109: the hollow shaft 103 is rotatable about the output shaft 108 axis; in order to control the rotation and upward movement of the hollow shaft 103, in the scheme, the bottom of the metal screening barrel 1 is provided with a rotating motor 106, wherein the lower end of a main shaft 102 extends out of the metal screening barrel 1 and is connected with the output end of the rotating motor 106, the main shaft 102 can be driven to rotate at the moment, and a bearing 109 is arranged at the connecting position of the main shaft 102 and the metal screening barrel 1 and is sealed; the top of the metal screening barrel 1 is further provided with a linear stepping motor 107, an output shaft 108 of the linear stepping motor 107 extends into the metal screening barrel 1 and is rotatably connected with the hollow shaft 103 through a bearing 109, at the beginning, the rotary motor 106 is selectively driven to control the rotation of the spindle 102 and the hollow shaft 103, and at the moment, the hollow shaft 103 is connected with the output shaft 108 of the linear stepping motor 107 through the bearing 109, so that the rotation of the hollow shaft 103 does not affect the output shaft 108 of the linear stepping motor 107, after the cylindrical magnet 101 is completely adsorbed, the rotary motor 106 is stopped, then the linear stepping motor 107 is driven to retract the output shaft 108 of the linear stepping motor 107 to drive the hollow shaft 103 to move upwards, and the annular doctor blade device 105 is driven to move upwards.
In this embodiment, a spiral rubber hose 113 is coaxially arranged in the circumferential direction of the hollow shaft 103, and the radius of the spiral rubber hose 113 is smaller than that of the cylindrical magnet 101 and is greater than the length of the blade 104; in order to avoid metal damage of the large construction waste to the cylindrical magnet 101, in the scheme, the spiral rubber tube 113 is coaxially arranged in the circumferential direction of the hollow shaft 103, wherein the spiral rubber tube 113 is positioned at the position of the cylindrical magnet 101 when being at an initial position, and the radius of the spiral rubber tube is slightly smaller than that of the cylindrical magnet 101, so that the cylindrical magnet 101 is prevented from being seriously scratched or even damaged due to the fact that massive construction waste or metal is driven to rotate in the rotating process of the blade 104, wherein the massive construction waste or metal can impact the spiral rubber tube 113 in the rotating process, the rotating force is reduced, and the impact force is reduced; and because the spiral rubber tube 113 has good flexibility, the spiral rubber tube 113 can be separated through the flexibility of the spiral rubber tube 113 when moving upwards.
In this embodiment, a water outlet pipe 110 is arranged on the side wall of the metal screening barrel 1, a water outlet of the water outlet pipe 110 is located above the cylindrical magnet 101, and a first electric control valve 112 is arranged on the water outlet pipe 110; in order to discharge the metal brought by the annular scraping device 105, in the scheme, a water outlet pipe 110 is arranged on the side wall of the metal screening barrel 1, a water outlet of the water outlet pipe 110 is positioned above the annular magnet and is always positioned above the annular scraping device 105, when the annular scraping device 105 moves to a specified position, the rotating motor 106 is controlled to rotate again, the water outlet pipe 110 is opened, and at the moment, the metal can be discharged from the water outlet pipe 110 along with the flow of water in a rotating state.
In this embodiment, the upper end of the cylindrical magnet 101 is further provided with an annular diamagnetic layer 111, the annular diamagnetic layer 111 and the cylindrical magnet 101 are coaxially arranged and have the same thickness, and the water outlet of the water outlet pipe 110 is located at the annular diamagnetic layer 111; in order to further discharge metal, in the scheme, the annular diamagnetic layer 111 is further arranged at the upper end of the cylindrical magnet 101, and the annular diamagnetic layer 111 can greatly weaken the magnetism of the cylindrical magnet 101, particularly the magnetism of the upper end face, so that metal cannot be adsorbed at the upper end of the cylindrical magnet 101; and wherein the thickness of the annular diamagnetic layer 111 is the same as the thickness of the cylindrical magnet 101 for the purpose of smoothly moving the annular doctor blade device 105 to the position of the annular diamagnetic layer 111 and preventing the metal from falling; the water outlet of the water outlet pipe 110 needs to be located at the annular diamagnetic layer 111, so that metal can be smoothly discharged.
In this embodiment, the water outlet of the water outlet pipe 110 is connected with the metal collection box 2, and the middle part of the metal collection box 2 is provided with a magnetic screen 201; for screening the metal again, in this scheme, still be provided with metal collecting box 2, wherein the middle part of metal collecting box 2 is equipped with magnetic screen 201, and discharged metal and aquatic in outlet pipe 110 still can leave residue such as silt unavoidably, consequently, discharged metal and aquatic can fall on magnetic screen 201 in outlet pipe 110 to form the impact force, the metal can be adsorbed by magnetic screen 201 this moment, and the impact force of water can be with the below of dashing and dropping residue such as silt, thereby realize the further screening of metal.
In this embodiment, a feeding pipe 114 is further disposed on a side surface of the metal sieving barrel 1, an outlet of the feeding pipe 114 is located at an upper end of the cylindrical magnet 101, and an inlet of the feeding pipe 114 is higher than a top of the metal sieving barrel 1; in order to smoothly discharge the metal on the annular blade device 105, in the present scheme, when the annular blade device 105 moves upwards to a specified position, in order to ensure that the metal is completely discharged, water is filled into the metal screening barrel 1, even the metal screening barrel is filled with the water, so that the metal can be fully driven and discharged from the water outlet pipe 110 in the rotating process, therefore, the inlet position of the feeding pipe 114 needs to be higher than the top of the metal screening barrel 1, and the water is prevented from flowing backwards; the outlet of the feeding pipe 114 is located at the upper end of the cylindrical magnet 101, preferably at the upper end of the annular diamagnetic layer 111, so that the falling height of construction waste is reduced when the construction waste is fed into the feeding pipe 114, after the metal is discharged, the construction waste can be fed into the feeding pipe 114, so that the construction waste falls onto the annular scraping device 105, and then the annular scraping device 105 is driven to move downwards, so that the impact on the metal screening barrel 1 when the construction waste falls is reduced.
In this embodiment, the top of the metal screening barrel 1 is provided with a water inlet pipe 115, a second electric control valve 116 is arranged at the water inlet pipe 115, the bottom of the metal screening barrel 1 is provided with a water discharge pipe 117, and the water discharge pipe 117 is provided with a third electric control valve 118; in order to control the water inlet and the water discharge of the metal screening barrel 1 in real time, in the scheme, a second electric control valve 116 is arranged at a water inlet pipe 115, and a third electric control valve 118 is arranged at a water discharge pipe 117, wherein the water inlet pipe 115 is used for supplementing seawater into the metal screening barrel 1, and the water discharge pipe 117 is used for discharging residual water and construction waste; and a controller is arranged on the outer side, wherein the controller can control the opening and closing of the first electric control valve 112, the second electric control valve 116 and the third electric control valve 118 and the starting and running of the rotary motor 106 and the linear stepping motor 107 respectively.
The working principle of the scheme is as follows: firstly, conveying construction waste recovered underwater to a crusher for primary crushing, discharging the crushed construction waste from a discharge port, conveying a proper amount of construction waste from a feed pipe 114 to a metal screening barrel 1, then opening a second electric control valve 116 through a controller, inputting a proper amount of water into the metal screening barrel 1 through a water inlet pipe 115 to enable a water surface line to be positioned above a water outlet of a water outlet pipe 110, then closing the second electric control valve 116, starting a rotating motor 106 to enable blades 104 to stir, enabling a cylindrical magnet 101 to adsorb metal, stopping the rotating motor 106 after stirring for a certain time, enabling the rest of the construction waste to fall below the cylindrical magnet 101, then starting a linear stepping motor 107, moving a hollow shaft 103 upwards through the linear stepping motor 107, driving an annular scraping device 105 to move upwards through the hollow shaft 103, enabling the construction waste to fall to the lower part from the outside of the end part of the annular scraping device 105, and enabling the end part of the metal to gradually scrape off the metal adsorbed on the cylindrical magnet 101 and enabling part of the metal to adsorb and move upwards, and enabling part of the metal to fall onto the annular scraping device 105 when the annular scraping device 105 enters from the lower end part of the annular scraping device 101; when the annular doctor blade device 105 is separated from the upper end of the cylindrical magnet 101, the metal adsorbed on the cylindrical magnet 101 is brought out, when the annular doctor blade device 105 is controlled to move to a specified position, such as the position of the annular diamagnetic layer 111, the linear stepping motor 107 is stopped, the second electric control valve 116 is opened, the water inlet pipe 115 inputs a proper amount of water into the metal screening barrel 1 and even is full of the water, the rotating motor 106 is started again, the annular doctor blade device 105 is controlled to rotate through the hollow shaft 103, the first electric control valve 112 is opened, the water is discharged from the water outlet pipe 110 and enters the metal recycling box, the water inlet pipe 115 continuously conveys supplementary water in the process, and the inflow water is discharged from the water outlet pipe 110 along with the water flow and enters the metal recycling box under the rotating action and the water flow action; and then monitoring whether the metal carried by the annular scraping device 105 is completely discharged or not in real time, closing the rotating motor 106 at the moment until the metal is completely discharged, opening the third electric control valve 118 to enable the drain pipe 117 at the bottom of the metal screening barrel 1 to discharge the residual construction waste and water in the metal screening barrel 1, after the discharge is finished, conveying the construction waste into the metal screening barrel 1 again to enable the construction waste to fall on the annular scraping device 105, starting the linear stepping motor 107 again to control the annular scraping device 105 to move to the bottom of the metal screening barrel 1, and repeating the steps until all the metal screening is finished.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The underwater construction waste metal screening device is characterized by comprising a metal screening barrel (1);
the inner side surface of the metal screening barrel (1) is provided with a cylindrical magnet (101), and the cylindrical magnet (101) is hollow and is coaxial with the metal screening barrel (1);
a main shaft (102) is further arranged along the axis of the metal screening barrel (1), the main shaft (102) can rotate around the axis of the main shaft (102), a hollow shaft (103) is sleeved on the outer side of the main shaft (102), the main shaft (102) is used for driving the hollow shaft (103) to rotate, the hollow shaft (103) can move along the length direction of the main shaft (102), and a plurality of blades (104) are arranged on the outer side surface of the hollow shaft (103);
an annular scraping device (105) is fixedly sleeved at the bottom of the hollow shaft (103), in the process that the annular scraping device (105) moves upwards from the bottom of the metal screening barrel (1), the annular scraping device (105) enters the cylindrical magnet (101) from the cylindrical magnet (101), and the circumferential end part of the annular scraping device (105) is used for scraping metal adsorbed on the cylindrical magnet (101);
a water outlet pipe (110) is arranged on the side wall of the metal screening barrel (1), a water outlet of the water outlet pipe (110) is positioned above the cylindrical magnet (101), and a first electric control valve (112) is arranged on the water outlet pipe (110);
the upper end of the cylindrical magnet (101) is further provided with an annular diamagnetic layer (111), the annular diamagnetic layer (111) and the cylindrical magnet (101) are coaxially arranged and are identical in thickness, and a water outlet of the water outlet pipe (110) is located at the annular diamagnetic layer (111).
2. The underwater construction waste metal screening device according to claim 1, wherein the main shaft (102) is provided with a sliding groove (1021) along the length direction thereof, and a sliding block (1031) slidably connected with the sliding groove (1021) is arranged on the inner side of the hollow shaft (103).
3. The underwater construction waste metal screening device according to claim 1, characterized in that the upper end face of the annular scraping device (105) is inclined downwards from the axle center of the annular scraping device (105) to the end part of the annular scraping device (105); the inclined surface is an arc surface.
4. The underwater construction waste metal screening device of claim 1, wherein the bottom of the metal screening barrel (1) is provided with a rotating motor (106), and the output end of the rotating motor (106) is connected with the main shaft (102); a linear stepping motor (107) is arranged at the top of the metal screening barrel (1), and the end part of an output shaft (108) of the linear stepping motor (107) extends into the metal screening barrel (1); the upper end of the hollow shaft (103) exceeds the upper end of the main shaft (102), and is rotationally connected with the end of the output shaft (108) through a bearing (109): the hollow shaft (103) is rotatable about the output shaft (108) axis.
5. An underwater construction waste metal screening device according to claim 4, characterized in that a spiral rubber hose (113) is coaxially arranged on the circumference of the hollow shaft (103), and the radius of the spiral rubber hose (113) is smaller than that of the cylindrical magnet (101) and larger than the length of the blade (104).
6. The underwater construction waste metal screening device of claim 1, wherein the water outlet of the water outlet pipe (110) is connected with the metal collection box (2), and the middle part of the metal collection box (2) is provided with a magnetic screen (201).
7. An underwater construction waste metal screening device as claimed in claim 1, characterized in that a feed pipe (114) is further provided at the side of the metal screening barrel (1), the outlet of the feed pipe (114) is located at the upper end of the cylindrical magnet (101), and the inlet of the feed pipe (114) is higher than the top of the metal screening barrel (1).
8. The underwater construction waste metal screening device of claim 1, wherein the top of the metal screening barrel (1) is provided with a water inlet pipe (115), a second electric control valve (116) is arranged at the water inlet pipe (115), the bottom of the metal screening barrel (1) is provided with a water outlet pipe (117), and the water outlet pipe (117) is provided with a third electric control valve (118).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210319644.1A CN114700270B (en) | 2022-03-29 | 2022-03-29 | Underwater construction waste metal screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210319644.1A CN114700270B (en) | 2022-03-29 | 2022-03-29 | Underwater construction waste metal screening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114700270A CN114700270A (en) | 2022-07-05 |
| CN114700270B true CN114700270B (en) | 2023-02-03 |
Family
ID=82170663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210319644.1A Active CN114700270B (en) | 2022-03-29 | 2022-03-29 | Underwater construction waste metal screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114700270B (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1046012A (en) * | 1975-10-06 | 1979-01-09 | Robert E. Grisemer | Waste separator device with air scrubber |
| KR101768006B1 (en) * | 2016-07-08 | 2017-08-14 | 효림산업주식회사 | Soil Treatment System Using Nanobubble and Multi-Stage Washing of Inorganic Acid |
| CN106732025A (en) * | 2016-12-09 | 2017-05-31 | 卿琦 | It is a kind of to stir the adjustable material mixing equipment for being easy to clean of scope |
| CN107913617A (en) * | 2017-11-15 | 2018-04-17 | 广西北流市智宇陶瓷自动化设备有限公司 | A kind of ceramics iron impurity agitating device capable of washing |
| CN209287120U (en) * | 2018-11-01 | 2019-08-23 | 南京奥伯尔环保设备有限公司 | Blender for sewage treatment |
| CN212278760U (en) * | 2020-05-03 | 2021-01-05 | 张海珍 | Agricultural equipment for improving soil in agriculture |
| CN212680728U (en) * | 2020-05-09 | 2021-03-12 | 山东圣川新材料科技股份有限公司 | Mixing device for producing fluoride-corrosion-resistant aluminate binder |
| CN213725919U (en) * | 2020-10-23 | 2021-07-20 | 广灵县同德精华化工有限公司 | Efficient mixer is used in production of emulsion ammonium nitrate fuel oil explosive |
| CN112452039B (en) * | 2021-02-01 | 2021-05-18 | 汶瑞机械(山东)有限公司 | Disc type filtering mechanism with improved filtering effect and used for pulp line |
| CN215661194U (en) * | 2021-08-27 | 2022-01-28 | 丁博涵 | Polymer material pipe production compounding device |
| CN113858433A (en) * | 2021-10-19 | 2021-12-31 | 咸益建设有限公司 | Mixer is used in building concrete preparation |
-
2022
- 2022-03-29 CN CN202210319644.1A patent/CN114700270B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114700270A (en) | 2022-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107551639B (en) | Solid-liquid separation device for biological waste recovery | |
| CN108819234B (en) | Powder laying box assembly for selective laser melting | |
| CN114700270B (en) | Underwater construction waste metal screening device | |
| CN111732172A (en) | Sewage precipitation device convenient to clearance | |
| CN207929403U (en) | A kind of building waste sorter | |
| CN103817069B (en) | For the cylinder that sandstone is separated | |
| CN114682495B (en) | Underwater construction waste metal screening method | |
| CN203853157U (en) | Gravel separator | |
| CN114057310B (en) | Building wastewater recovery device | |
| CN212974902U (en) | Helical mixing machine for food production | |
| CN215550139U (en) | Rubber crushing device | |
| CN212856177U (en) | Sieving mechanism for construction waste treatment | |
| CN203853263U (en) | Roller applied to sand and stone separation | |
| CN107718367A (en) | A kind of separating sedimentation basin | |
| CN207192814U (en) | A kind of quartz sand automatic pickling device | |
| CN111636835A (en) | Drilling slag treatment vehicle and drilling slag construction method | |
| CN206927623U (en) | The purging system of sodium chloride in a kind of removal bunt gypsum | |
| CN219309591U (en) | Concrete waste recovery device | |
| CN214513065U (en) | Sand-water separator capable of improving sand-water separation efficiency | |
| CN214763955U (en) | Sand-water separator capable of reducing sand waste | |
| CN215694279U (en) | Old and useless building materials recycle's agitating unit | |
| CN217413356U (en) | Cutter angle steel back chipping machine | |
| CN220361660U (en) | Raw material elutriation device for ceramic production | |
| CN218808675U (en) | Conveying equipment for reamer with accumulated materials on belt | |
| CN212532271U (en) | Battery does not have thick cloth and washs surplus waste recovery device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |