CN111644266B - Flotation machine with pre-screening function and working method - Google Patents
Flotation machine with pre-screening function and working method Download PDFInfo
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- CN111644266B CN111644266B CN202010460892.9A CN202010460892A CN111644266B CN 111644266 B CN111644266 B CN 111644266B CN 202010460892 A CN202010460892 A CN 202010460892A CN 111644266 B CN111644266 B CN 111644266B
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- Prior art keywords
- heavy
- scraping
- light
- grade
- flotation
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- 238000005188 flotation Methods 0.000 title claims abstract description 75
- 238000012216 screening Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 196
- 238000007790 scraping Methods 0.000 claims abstract description 51
- 238000007599 discharging Methods 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 10
- 239000010865 sewage Substances 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims 3
- 239000012466 permeate Substances 0.000 abstract description 8
- 241000561734 Celosia cristata Species 0.000 abstract description 5
- 210000001520 comb Anatomy 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002023 wood Substances 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
- B03B9/061—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial
- B03B9/065—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial the refuse being building rubble
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
-
- 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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- 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
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The utility model provides a flotation machine with pre-screening function, including the shale shaker, the flotation cell, second grade heavy material discharging device and second grade light material scraping device, the shale shaker is provided with one-level heavy material export, one-level light material export and second grade material export, correspond to export one-level heavy material, one-level light material and second grade material, flotation cell and second grade material exit linkage, the second grade heavy material discharging device and the second grade light material scraping device through the slope setting divide into second grade heavy material and second grade light material, the second grade light material scraping device is including scraping the flitch and light material scraping belt, the top of scraping the flitch is the cockscomb structure, the root is installed on the light material scraping belt, top cockscomb structure below is provided with a plurality of one-level holes that permeate water side by side, one-level hole below is provided with a plurality of second grade holes that permeate water side, the problem that need pass through two sections belts after having solved the breakage, increase the screening quality of flotation machine when reducing the operating pressure of water flotation machine. The invention also comprises a working method of the flotation machine with the pre-screening function.
Description
Technical Field
The invention relates to the technical field of building rubbish light matter water flotation, in particular to a flotation machine with a pre-screening function and a working method.
Background
The dry type light material sorting method sorts the construction waste mixed with wood, aerated concrete, hard plastic and the like, has the condition of incomplete sorting, and the low-quality construction waste recycled aggregate can only be used as recycled bricks, water stabilization layers and other unimportant occasions, so that the application of the recycled aggregate is limited, the development of the construction waste treatment market is restricted, the crushed construction waste is generally screened by a screen, the slag is removed by a water floatation machine, and two feeding belt conveyors are needed before and after the slag screen.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a flotation machine with a pre-screening function and a working method.
The invention is realized by the following technical scheme:
the utility model provides a flotation machine with pre-screening function, including the shale shaker, the flotation cell, second grade heavy materials discharging device and second grade light materials scraping device, the shale shaker is provided with one-level heavy materials export, one-level light materials export and second grade material export, correspond to export one-level heavy materials, one-level light materials and second grade material, flotation cell and second grade material exit linkage, second grade heavy materials discharging device and second grade light materials scraping device through the slope setting divide into second grade heavy materials and second grade light materials, second grade light materials scraping device includes scraping plate and light materials scraping belt, the top of scraping plate is the cockscomb structure, the root is installed on the light materials scraping belt, top cockscomb structure below is provided with a plurality of one-level holes that permeate water side by side, one-level hole below is provided with a plurality of second grade holes that permeate water side by side.
Further, the secondary heavy material discharging device comprises a heavy material discharging belt, wherein the heavy material discharging belt is provided with a plurality of wing-shaped pattern rows, a plurality of upper pattern grids are arranged on the left side and the right side of each wing-shaped pattern row, a space is arranged in the middle of each wing-shaped pattern row, and two lower pattern grids are arranged on two sides of the space.
Further, still include first spiral, second spiral, drain and sewage concentration appearance, the drain is higher than the flotation tank liquid level, sewage concentration appearance sets up in flotation tank low side, be less than the flotation tank liquid level, first spiral is located the flotation tank lowest department, arrange mud in one side at second spiral place, the second spiral is located the flotation tank outside, the inclination is greater than the inclination of second grade heavy burden discharging device, first spiral and second spiral mutually perpendicular, the second spiral transports the mud that first spiral was arranged to oblique top, discharge from the drain.
Further, the flotation tank comprises a guide plate, wherein the guide plate is obliquely arranged below the secondary discharge hole, the bottom of the guide plate is deep into the lower part of the liquid level, the guide plate divides the flotation tank into a front region and a rear region, the secondary light materials float up to the front region of the guide plate, and the secondary heavy materials sink and are conveyed to the rear region of the guide plate by a heavy material discharge belt of the secondary heavy material discharge device.
Further, a plurality of upward inclined material stacking plates are arranged on the material guiding plate.
Further, the diameter of the first water permeable hole is smaller than that of the second water permeable hole.
Further, the scraping plate is a polyurethane plate.
A method for operating a flotation machine with pre-screening function, comprising the steps of:
A. The construction waste is separated into a first-stage heavy material, a first-stage light material and a second-stage material by a vibrating screen, and respectively enters a first-stage heavy material outlet, a first-stage light material outlet and a second-stage material outlet;
B. the secondary materials enter a flotation tank through a guide plate, the secondary heavy materials sink into a secondary heavy material discharging device in the flotation tank, and the secondary light materials are gathered below a secondary light material scraping device;
C. The secondary heavy materials in the secondary heavy material discharging device are conveyed to one side of the flotation tank through a heavy material discharging belt; and the secondary light materials below the secondary light material scraping device are conveyed to the other side of the flotation tank by driving the scraping plate through the light material scraping belt, so that the secondary separation of the light materials and the heavy materials is realized.
The invention has the following beneficial effects:
1. The vibrating screen and the flotation machine are combined together, so that the problem that the crushed construction waste needs to pass through two sections of belts is solved, primary heavy materials (the main component is overrun materials) and primary light materials (the main component is dregs) can be pre-screened, and the screening quality of the flotation machine is increased while the working pressure of the water flotation machine is reduced.
2. The scraper top is provided with the cockscomb structure, and the below is provided with a plurality of first wash ports and a plurality of second wash ports, can realize scraping the hierarchical ladder of flitch and permeate water, more effectually make the liquid in the flotation machine pass through the scraper when scraping the material to the light material, reduce the resistance.
3. The pattern row and the upper pattern grid on the heavy material discharging belt can effectively bear the secondary heavy material, and the wing section space design and the lower pattern grid are beneficial to liquid backflow in the flotation machine, so that liquid consumption is reduced.
4. The sewage concentration meter on the flotation tank is used for detecting the concentration of water in the flotation tank, when the concentration reaches a set value, the first spiral and the second spiral are driven to start to discharge mud, so that the concentration of mud in the flotation tank is reduced, and mud adsorbed on the surface of the washed construction waste aggregate is reduced.
5. The material guide plate can divide the flotation cell into front and back two areas, prevents that the second grade light material from wagging to the material guide plate rear area and makes the second grade light material discharge along with the heavy material ejection of compact belt, and the material accumulation version on the material guide plate can reduce the striking of second grade material to the material guide plate, reduces the loss.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of a flotation cell of the present invention;
FIG. 3 is a schematic pattern diagram of a secondary heavy discharge belt;
FIG. 4 is a schematic view of a scraper structure;
Fig. 5 is a side view of the guide plate.
The label information in the figure is:
the device comprises a vibrating screen 1, a flotation tank 2, a secondary heavy material discharging device 3, a secondary light material scraping device 4, a material guide plate 5, a primary heavy material outlet 11, a primary light material outlet 12, a secondary material outlet 13, a material guide plate front area 21, a material guide plate rear area 22, a heavy material discharging belt 31, a heavy material receiving hopper 32, a scraping plate 41, a light material scraping belt 42, a material stacking plate 51, a first spiral 61, a second spiral 62, a sewage discharge outlet 63, a sewage concentration meter 64, an airfoil pattern column 311, an upper pattern lattice 312, a lower pattern lattice 313, a spacing 314, saw teeth 411, primary water permeable holes 412 and secondary water permeable holes 413.
Detailed Description
A flotation machine with a pre-screening function comprises a vibrating screen 1, a flotation tank 2, a secondary heavy material discharging device 3, a secondary light material scraping device 4, a material guide plate 5, a first spiral 61, a second spiral 62, a sewage outlet 63 and a sewage concentration meter 64, wherein the vibrating screen 1 is provided with a primary heavy material outlet 11, a primary light material outlet 12 and a secondary material outlet 13, the primary heavy material, the primary light material and the secondary material are correspondingly led out, the flotation tank 2 is connected with the secondary material outlet 13, the secondary material is divided into the secondary heavy material and the secondary light material through the obliquely arranged secondary heavy material discharging device 3 and the secondary light material scraping device 4, the vibrating screen 1 and the flotation tank 2 are combined together, the problem that the crushed construction waste needs to pass through two sections of belts is solved, primary heavy materials (the main component is overrun materials) and primary light materials (the main component is dregs) can be pre-screened, the working pressure of the water flotation machine is reduced, and the screening quality of the flotation machine is increased. The second grade light material scraping device 4 includes scraping plate 41 and light material scraping belt 42, scraping plate 41 is the polyurethane board, the top is w sawtooth 411 forms, the root is installed on light material scraping belt 42, top sawtooth 411 form structure below is provided with fifteen one-level holes of permeating water 412 side by side, one-level hole 412 below is provided with three second level hole 413 of permeating water side by side, first hole 412 diameter that permeates water is less than second hole 413 that permeates water, can realize scraping plate 41's hierarchical ladder and permeate water, more effectually make the liquid in the flotation cell 2 pass through scraping plate 41 when scraping the material to the light material, reduce the resistance. The secondary heavy material discharging device 3 comprises a heavy material discharging belt 31 and a heavy material receiving hopper 32, the heavy material receiving hopper 32 is arranged below the material guiding plate 5 and used for receiving all heavy materials sinking into the bottom, the heavy material discharging belt 31 is provided with a plurality of wing pattern rows 311, three upper pattern grids 312 are arranged on the left and right sides of the wing pattern rows 311, a space 314 is arranged between the wing pattern rows 311, two lower pattern grids 313 are arranged on two sides of the space 314, the wing pattern rows 311 and the upper pattern grids 312 on the heavy material discharging belt 31 can effectively bear secondary heavy materials, the space design of the wing pattern rows 311 and the lower pattern grids 313 are beneficial to liquid backflow in the flotation machine, the liquid consumption is reduced. The guide plate 5 is obliquely arranged below the secondary discharge hole 13, the bottom of the guide plate is deep below the liquid level, a plurality of upward-inclined material stacking plates 51 are arranged on the guide plate 5, the guide plate divides the flotation tank into a front region and a rear region, secondary light materials float up to the front region 21 of the guide plate, secondary heavy materials sink down and are conveyed to the rear region 22 of the guide plate by the heavy material discharging belt 31 of the secondary heavy material discharging device 3, the secondary light materials are prevented from drifting to the rear region 22 of the guide plate, so that the secondary light materials are discharged along with the heavy material discharging belt 31, and the impact of the secondary light materials on the guide plate 5 by the material stacking plates 51 on the guide plate 5 can be reduced, and loss is reduced. The drain 63 is higher than the flotation tank liquid level, sewage concentration meter 64 sets up in flotation tank 2 low department, be less than flotation tank 2 liquid level, first spiral 61 is located flotation tank 2 lowest department, arrange mud in one side that second spiral 62 is located, second spiral 62 is located flotation tank 2 outside, the inclination is greater than the inclination of second grade heavy burden discharging device 3, first spiral 61 and second spiral 62 mutually perpendicular, second spiral 62 transports the mud that first spiral 61 was arranged to oblique top, discharge from drain 63, reduce the mud concentration in the flotation tank 2, reduce the mud that washing building rubbish aggregate surface adsorbed.
A method for operating a flotation machine with pre-screening function, comprising the steps of:
A. the construction waste is divided into a first-grade heavy material, a first-grade light material and a second-grade material by a vibrating screen 1, and respectively enters a first-grade heavy material outlet 11, a first-grade light material outlet 12 and a second-grade material outlet 13;
B. The secondary materials enter the flotation tank 2 through the guide plate 5, the secondary heavy materials sink into the secondary heavy material discharging device 3 in the flotation tank 2, and the secondary light materials are gathered below the secondary light material scraping device 4;
C. the secondary heavy materials in the secondary heavy material discharging device 3 are conveyed to one side of the rear area 22 of the guide plate of the flotation tank 2 through a heavy material discharging belt 31; the secondary light materials below the secondary light material scraping device 4 are conveyed to one side of the front area 21 of the guide plate of the flotation tank 2 by driving the scraping plate 41 through the light material scraping belt 42, so that the secondary separation of the light materials and the heavy materials is realized.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, i.e., the equivalent changes and modifications to the invention as described in the claims and specification should be considered as falling within the scope of the invention.
Claims (6)
1. A flotation machine with pre-screening function, characterized in that: the device comprises a vibrating screen, a flotation tank, a secondary heavy material discharging device and a secondary light material scraping device, wherein the vibrating screen is provided with a primary heavy material outlet, a primary light material outlet and a secondary material outlet, the primary heavy material, the primary light material and the secondary material are correspondingly led out, the flotation tank is connected with the secondary material outlet, the secondary material is divided into a secondary heavy material and a secondary light material through the obliquely arranged secondary heavy material discharging device and the secondary light material scraping device, the secondary light material scraping device comprises a scraping plate and a light material scraping belt, the top of the scraping plate is in a zigzag shape, the root of the scraping plate is arranged on the light material scraping belt, a plurality of primary water permeable holes are arranged below the zigzag structure of the top side by side, and a plurality of secondary water permeable holes are arranged below the primary water permeable holes side by side; the sewage concentration device is arranged at the lower part of the flotation tank and is lower than the liquid level of the flotation tank, the first spiral is positioned at the lowest part of the flotation tank, sludge is discharged at one side where the second spiral is positioned, the second spiral is positioned at the outer side of the flotation tank, the inclination angle is larger than that of the secondary heavy material discharging device, the first spiral and the second spiral are mutually vertical, and the second spiral conveys the sludge discharged from the first spiral obliquely upwards and discharges the sludge from the sewage outlet; the flotation tank is divided into a front area and a rear area by the guide plate, the secondary light materials float up to the front area of the guide plate, and the secondary heavy materials sink and are conveyed to the rear area of the guide plate by a heavy material discharging belt of the secondary heavy material discharging device.
2. A flotation machine with pre-screening function according to claim 1, characterized in that: the secondary heavy material discharging device comprises a heavy material discharging belt, wherein the heavy material discharging belt is provided with a plurality of wing-shaped pattern rows, a plurality of upper pattern grids are arranged on the left side and the right side of each wing-shaped pattern row, a space is arranged in the middle of each wing-shaped pattern row, and two lower pattern grids are arranged on two sides of the space.
3. A flotation machine with pre-screening function according to claim 1, characterized in that: and a plurality of upwardly inclined material stacking plates are arranged on the material guide plate.
4. A flotation machine with pre-screening function according to any one of claims 1-3, characterized in that: the diameter of the primary water permeable hole is smaller than that of the secondary water permeable hole.
5. A flotation machine with pre-screening function according to any one of claims 1-3, characterized in that: the scraping plate is a polyurethane plate.
6. A working method of a flotation machine with a pre-screening function is characterized by comprising the following steps of: a flotation machine with pre-screening function based on any one of claims 1-5, comprising the steps of:
A. The construction waste is separated into a first-stage heavy material, a first-stage light material and a second-stage material by a vibrating screen, and respectively enters a first-stage heavy material outlet, a first-stage light material outlet and a second-stage material outlet;
B. the secondary materials enter a flotation tank through a guide plate, the secondary heavy materials sink into a secondary heavy material discharging device in the flotation tank, and the secondary light materials are gathered below a secondary light material scraping device;
C. The secondary heavy materials in the secondary heavy material discharging device are conveyed to one side of the flotation tank through a heavy material discharging belt; and the secondary light materials below the secondary light material scraping device are conveyed to the other side of the flotation tank by driving the scraping plate through the light material scraping belt, so that the secondary separation of the light materials and the heavy materials is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010460892.9A CN111644266B (en) | 2020-05-27 | 2020-05-27 | Flotation machine with pre-screening function and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010460892.9A CN111644266B (en) | 2020-05-27 | 2020-05-27 | Flotation machine with pre-screening function and working method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111644266A CN111644266A (en) | 2020-09-11 |
| CN111644266B true CN111644266B (en) | 2024-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010460892.9A Active CN111644266B (en) | 2020-05-27 | 2020-05-27 | Flotation machine with pre-screening function and working method |
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| CN (1) | CN111644266B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212759112U (en) * | 2020-05-27 | 2021-03-23 | 福建南方路面机械股份有限公司 | Flotation machine with pre-screening function |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2906166B1 (en) * | 2006-09-22 | 2009-01-09 | Tech Environnement Associes Sa | SYSTEM AND METHOD FOR SORTING AND ENHANCING BURIED WASTE |
| CN206121912U (en) * | 2016-09-29 | 2017-04-26 | 郑州洪威高新能源工程技术有限公司 | Light material flotation device |
| CN108855587B (en) * | 2018-04-24 | 2022-04-19 | 浙江双金机械集团股份有限公司 | Construction waste screening and separating method |
| CN110813483A (en) * | 2018-08-14 | 2020-02-21 | 襄阳市市政工程总公司 | Construction waste crushing and sorting treatment system |
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2020
- 2020-05-27 CN CN202010460892.9A patent/CN111644266B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212759112U (en) * | 2020-05-27 | 2021-03-23 | 福建南方路面机械股份有限公司 | Flotation machine with pre-screening function |
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| CN111644266A (en) | 2020-09-11 |
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