CN113369024B - Coal slime grading and sorting assembly and system thereof - Google Patents
Coal slime grading and sorting assembly and system thereof Download PDFInfo
- Publication number
- CN113369024B CN113369024B CN202110609630.9A CN202110609630A CN113369024B CN 113369024 B CN113369024 B CN 113369024B CN 202110609630 A CN202110609630 A CN 202110609630A CN 113369024 B CN113369024 B CN 113369024B
- Authority
- CN
- China
- Prior art keywords
- grading
- sorting
- filter
- filter screen
- coal slime
- 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
- 239000003245 coal Substances 0.000 title claims abstract description 68
- 238000001914 filtration Methods 0.000 claims abstract description 56
- 239000010419 fine particle Substances 0.000 claims abstract description 22
- 238000012216 screening Methods 0.000 claims abstract description 17
- 238000005188 flotation Methods 0.000 claims description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 238000003756 stirring Methods 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 39
- 238000007790 scraping Methods 0.000 claims description 20
- 239000006260 foam Substances 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- 230000001502 supplementing effect Effects 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 4
- 239000003250 coal slurry Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 239000008187 granular material Substances 0.000 abstract description 2
- 239000003814 drug Substances 0.000 description 19
- 239000002245 particle Substances 0.000 description 15
- 230000003020 moisturizing effect Effects 0.000 description 12
- 239000003153 chemical reaction reagent Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000002156 mixing Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Images
Classifications
-
- 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
- B03D1/16—Flotation machines with impellers; Subaeration machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
- B01D33/0346—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements
- B01D33/0353—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/41—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/801—Driving means, shaft packing systems or the like
-
- 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
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
-
- 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
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/145—Feed mechanisms for reagents
-
- 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
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/1462—Discharge mechanisms for the froth
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention discloses a coal slime grading and sorting assembly and a system thereof, which comprise a grading and sorting shell, wherein a screening feeding port is formed in the grading and sorting shell, at least one group of filtering modules is arranged in the grading and sorting shell from top to bottom, and the group of filtering modules comprises at least two layers of filtering screens; each group of filtering modules comprises a tail end filtering sieve positioned at the lowest layer and an upper filtering sieve positioned above the tail end filtering sieve; the screen surfaces of two adjacent layers of filter screens form an included angle with an upward opening, and a discharge port of an upper layer of filter screen of the adjacent screen meshes is connected with a feed port of a lower layer of filter screen; the lower surface of the upper filter screen is connected with an inlet of a bridging funnel for receiving fine particles passing through the filter screen, and an outlet of the bridging funnel penetrates through the end filter screen of the current filter module. The bridging funnel's connected mode, the fine grain granule that upper filter sieve will pass through after filtering is directly carried to the below of lower floor's filter sieve, exports to filterable efficiency has been increased.
Description
Technical Field
The invention relates to the field of column type stirring flotation machines and fine-grained coal slime grading and screening equipment for coal slime water treatment, in particular to a coal slime grading and sorting assembly and a system thereof.
Background
The invention is based on the fact that a large amount of experimental samples are treated in an experiment, obviously has insufficient capability for an XFD single-groove flotation machine commonly used in a laboratory, not only can not achieve the accuracy of each batch of experimental data, but also takes time and labor, and wastes a large amount of medicaments and water resources. The treatment of the slime water after the slime flotation is quite complex, fine slime is difficultly added after the slime water is filtered out in a grading way, and the size of the slime water is more than 0.5mm through one-time grading separation without drying; 0.25 mm-0.5 mm;0.125 mm-0.25 mm;0.075 mm-0.125 mm;0.045 mm-0.075 mm; and fine-grained coal slime particles with different grades and the grades of less than 0.045mm, the traditional dry method for treating the coal slime water containing viscous mineral substances is to flocculate and precipitate the fine-grained coal slime particles firstly, then dry the fine-grained coal slime particles, and then screen the fine-grained coal slime particles step by using a screen set after drying, the dry method treatment time is long, the task is heavy, the labor and the time are wasted, and no wet method is used for directly grading and separating out the fine-grained particles at present.
Disclosure of Invention
The invention aims to provide a coal slime grading and sorting component and a system thereof, which are used for solving the problems of long processing time, heavy task, trouble and labor waste of a dry method in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a coal slime grading and sorting assembly comprises a grading and sorting shell, wherein a screening feeding port is formed in the grading and sorting shell, at least one group of filtering modules is arranged in the grading and sorting shell from top to bottom, and the group of filtering modules comprises at least two layers of filtering screens; each group of filtering modules comprises a tail end filtering sieve positioned at the lowest layer and an upper filtering sieve positioned above the tail end filtering sieve; the screen surfaces of two adjacent layers of filter screens form an included angle with an upward opening, and a discharge port of an upper layer of filter screen of the adjacent screen meshes is connected with a feed port of a lower layer of filter screen; the lower surface of the upper filter screen is connected with an inlet of a bridging funnel for receiving fine particles passing through the filter screen, and an outlet of the bridging funnel penetrates through the filter screen at the tail end of the current filter module; a material collecting opening is formed in the position, above the lowermost end of each group of the lowermost filter screens, of the grading and sorting shell; the lowest end of the grading and sorting shell is provided with a material collecting opening.
As a still further scheme of the invention: the pore size of each layer of filter screen in the group of filter modules is the same.
As a still further scheme of the invention: a first filter sieve, a second filter sieve, a third filter sieve, a fourth filter sieve and a fifth filter sieve are sequentially arranged in the grading and sorting shell from top to bottom, and a first-stage material collecting port, a second-stage material collecting port, a third-stage material collecting port, a fourth-stage material collecting port and a fifth-stage material collecting port are sequentially formed in the side wall position of the lowest end of each stage of filter sieve in the grading and sorting shell from top to bottom; the fourth filter screen comprises a first fourth filter screen and a second fourth filter screen, and the first fourth filter screen and the second fourth filter screen form a group of filter modules; the fifth filter screen comprises a first fifth filter screen and a second fifth filter screen, and the first fifth filter screen and the second fifth filter screen form a group of filter modules; the lowest end of the grading and sorting shell is provided with a six-grade material collecting opening. As a still further scheme of the invention: vibration motors are symmetrically arranged on two side walls of the grading and sorting shell, and the rotation directions of the vibration motors are opposite; the bottom of the grading sorting shell is connected with a base, and a damping spring is arranged between the stacking sorting main body and the base; the inclination angle of each layer of filter screen is three degrees.
A system for coal slime grading and sorting components comprises: the flotation machine comprises a flotation machine main body and a slurry tank arranged on the outer side of the flotation machine main body, wherein the output end of the slurry tank is connected into the flotation machine main body through a feeding guide pipe, the feeding guide pipe positioned in the flotation machine main body is upwards connected with a feeding stirring area, an equal triangular rotor is arranged above and upwards from an opening of the feeding stirring area and completely covers the feeding stirring area, the equal triangular rotor comprises a rotor shaft and a rotor impeller arranged at the lowermost end of the rotor shaft, the rotor impeller is of a double-layer umbrella-shaped structure, a cover plate is arranged between the rotor impeller and the feeding stirring area, circulation holes are formed in the cover plate, and the direction of each circulation hole is horizontally arranged; a stirring rotor mechanism for driving the rotor shaft to rotate is arranged above the rotor shaft; the side wall of the flotation machine main body is provided with a rotary foam scraping device for scraping clean coal foam; the bottom of the main body of the flotation machine is connected with a coal slime grading and sorting component for grading and sorting coal slime water, and the main body of the flotation machine conveys the coal slime water into the coal slime grading and sorting component after flotation; a sensor is arranged in the main body of the flotation machine, and the sensor and the foam scraping liquid level of the rotary foam scraping device are located on the same horizontal plane.
As a still further scheme of the invention: the stirring rotor mechanism comprises a driving motor, the output end of the driving motor is connected with a bevel gear, the bevel gear is connected with a driving shaft downwards, and the driving shaft drives a rotor shaft to rotate.
As a still further scheme of the invention: the top of flotation machine main part still is including being used for the inside medicine mechanism that adds of flotation machine main part, and medicine mechanism includes the medicament groove, and the lateral wall in medicament groove is connected with adds medicine valve one, adds medicine valve and is connected with accurate graduated flask outward, and accurate graduated flask is connected with downwards and adds medicine valve two, and the output of adding medicine valve two stretches into to the flotation machine main part in.
As a still further scheme of the invention: the top of flotation device main part is still including being used for the inside moisturizing mechanism of flotation device main part, and moisturizing mechanism includes the moisturizing groove, and the lateral wall in moisturizing groove installs the moisturizing valve, and the moisturizing valve is connected with the water pipe that adds, and the water pipe that adds stretches into to the flotation device main part in.
As a still further scheme of the invention: the flotation machine is characterized in that a stirring barrel used for stirring slime water is connected between the flotation machine main body and the slime grading separation assembly, the slime water is conveyed to the stirring barrel after the flotation of the flotation machine main body, the output end of the stirring barrel is connected with the slime grading separation assembly, and a stirring impeller is arranged in the stirring barrel.
Compared with the prior art, the invention has the beneficial effects that:
1. the advantage of this bridging funnel connection is that the filtering of fine particles from top to bottom one layer is avoided by connecting a bridging funnel to the lower surface of the filter screen above the bottommost filter screen of a group of filter modules, the outlet of the bridging funnel penetrating the bottommost filter screen. The filtering mode of one layer and one layer has the problem that fine particles are necessarily filtered from the filtering screen at the lowest layer, and the fine particles are accumulated on the filtering screen at the lowest layer to cause the accumulation of the fine particles, so that the filtering efficiency of the fine particles is reduced.
The bridging funnel's connected mode makes in a set of filtration module, and the fine grain granule that upper filter sieve will pass through after filtering is directly carried to the below of lower floor's filter sieve, exports to great increase filterable efficiency.
And when the filtering efficiency is ensured, a group of filtering modules are arranged into a continuous channel in a vertical wavy line shape, so that the fine particles are shunted in a limited space, the mode that the fine particles are filtered by one layer of filtering sieve is changed into the mode that the fine particles are filtered by different layers of filtering sieves, and the filtering efficiency is increased.
2. The method comprises the following steps that a first filter screen, a second filter screen, a third filter screen, a fourth filter screen and a fifth filter screen are specifically arranged, a first-level material collecting port, a second-level material collecting port, a third-level material collecting port, a fourth-level material collecting port and a fifth-level material collecting port are correspondingly formed in the side wall of a grading sorting shell, the fourth filter screen comprises a fourth filter screen I and a fourth filter screen II according to different filter precisions, and the fourth filter screen I and the fourth filter screen II form a group of filter modules; the fifth filter screen comprises a first fifth filter screen and a second fifth filter screen, and the first fifth filter screen and the second fifth filter screen form a group of filter modules; the lowest end of the grading and sorting shell is provided with a six-grade material collecting opening.
The first filter sieve, the second filter sieve and the third filter sieve are used for realizing coarse filtration of fine particles, the fourth filter sieve and the fifth filter sieve are used for realizing fine filtration of the fine particles, the fourth filter sieve and the fifth filter sieve are arranged into a group of filter modules, the filter structures of the upper layer and the lower layer are used for shunting the fine particles, and a bridging funnel is arranged between the upper layer and the lower layer, so that the fine particles are ensured to have the advantage of high filter efficiency while being shunted.
3. The vibrating motors are symmetrically arranged on two side walls of the grading sorting shell, and the rotating directions of the vibrating motors are opposite; when the two motors run synchronously, the screening device generates linear vibration to continuously overturn and loosen the material, so that the screening device has the advantages of preventing screen holes from being blocked, being high in screening efficiency, adjustable in processing capacity and the like.
4. The flotation mechanism is composed of the flotation machine main body, the rotary bubble scraping device is arranged in the flotation machine main body, and the output end of the flotation machine main body is connected with the grading separation assembly. The rotary foam scraping device scrapes clean coal foam, and the flotation machine body conveys coal slime water into the coal slime grading and sorting assembly after flotation. The equal triangular rotor action range of the flotation machine completely covers the stirring area, so that ore pulp is stirred more fully, and the flotation efficiency is improved. The flotation mechanism is connected with the grading and sorting assembly, and the grading and sorting process is carried out after the flotation process is finished; the working efficiency is improved, and the labor is saved.
5. Through be provided with medicine mechanism, moisturizing mechanism in the flotation main part. In the chemical adding mechanism, a chemical tank is positioned above the middle of the flotation machine and is a cylindrical box with better sealing performance, in order to prevent evaporation and leakage of the chemical, an accurate measuring cylinder and an accurate control valve are connected beside the chemical tank, and a chemical adding conduit is directly communicated with a flotation center; so that the reagent can be fully contacted with the coal slurry, and the flotation effect is improved.
In the water replenishing mechanism, the water tank is positioned above the left side of the flotation machine and used for balancing the gravity center of the right motor, so that the whole flotation machine is compact in structure, the gravity center of the whole device is reduced, and the use of additional building area is reduced. The continuous foam scraping link is realized by adding fresh water through control.
A stirring barrel used for stirring the coal slime water is connected between the main body of the flotation machine and the coal slime grading and sorting assembly, the coal slime water after flotation enters the coal slime water stirring barrel to be well paved for grading flotation and filtration later, and therefore the coal slime water is not easy to agglomerate and accumulate when entering a screening and stacking screen, and is prevented from bringing difficulties to the next step.
Drawings
FIG. 1 is a schematic structural diagram of a coal slime grading and sorting assembly and a system thereof.
FIG. 2 is a schematic structural diagram of a coal slime grading and sorting assembly and a coal slime grading and sorting device in the system.
FIG. 3 is a schematic structural diagram of a coal slime classifying and sorting assembly and three layers of filter screens in the system.
FIG. 4 is a schematic structural diagram of a coal slime classifying and sorting assembly and four layers of filter screens in the system.
FIG. 5 is a schematic structural diagram of a coal slime grading and sorting assembly and a coal slime combined sorting device in the system.
FIG. 6 is a schematic structural diagram of a coal slime grading and sorting assembly and a dosing and water supplementing mechanism in the system.
FIG. 7 is a schematic structural diagram of a coal slime grading and sorting assembly and a stirring rotor mechanism in the system.
FIG. 8 is a schematic structural diagram of a coal slime classifying and sorting assembly and a rotary foam scraping mechanism in the system.
In the figure: 1. a drive motor; 2. rotating the foam scraper; 3. a concentrate scraping and soaking tank; 4. a slurry tank; 5. a feeding valve; 6. a feeding conduit; 7. a bevel gear; 8. a precise measuring cylinder; 9. a medicament tank; 10. a water replenishing tank; 11. a first dosing valve; 12. a water adding valve; 13. a water adding conduit; 14. a sensor; 15. a baffle plate; 16. a cover plate; 17. a feeding and stirring area; 18. a rotor shaft; 19. a second dosing valve; 20. a discharge valve; 21. a stirring barrel; 22. a stirring impeller; 23. screening a feeding port; 24. a first filter screen; 25. a second filter sieve; 26. a third filter sieve; 27. a fourth filter screen I; 28. a second filter screen; 29. a fifth filter screen I; 30. a fifth filter screen II; 31. a first-level material collection port; 32. a secondary material collection port; 33. a third-level material collecting port; 34. bridging the first funnel; 35. a fourth-level material collecting port; 36. a second bridging funnel; 37. a vibration motor; 38. a damping spring; 39. a base; 40. a five-level material collecting port; 41. a six-level material collecting port.
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.
It should be noted that, if there is a directional indication (such as up, down, left, right, front, and back) in the embodiment of the present invention, it is only used to explain the relative position relationship between the components, the motion situation, and the like in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if the description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and is 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 at least one such feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 2, in the embodiment of the present invention, a coal slime classifying and sorting assembly includes a classifying and sorting main body, a screening material inlet 23 is formed in an upper bottom surface of the classifying and sorting main body, a first filtering screen 24, a second filtering screen 25, a third filtering screen 26, a fourth filtering screen and a fifth filtering screen are sequentially disposed in the classifying and sorting main body from top to bottom, and a first-stage material collecting port 31, a second-stage material collecting port 32, a third-stage material collecting port 33, a fourth-stage material collecting port 35 and a fifth-stage material collecting port 40 are sequentially disposed in a side wall position of a lowermost end of each stage of filtering screen from top to bottom in the classifying and sorting housing;
the fourth filter screen comprises a first fourth filter screen 27 and a second fourth filter screen 28, the first fourth filter screen 27 and the second fourth filter screen 28 form a group of filter modules, the first fourth filter screen 27 and the second fourth filter screen 28 are arranged in an inclined manner, the lowermost end of the first fourth filter screen 27 corresponds to the uppermost end of the second fourth filter screen 28, the lower surface of the first fourth filter screen 27 is connected with a first bridging funnel 34, and the outlet of the first bridging funnel 34 penetrates through the second fourth filter screen 28; the fifth filter screen comprises a first fifth filter screen 29 and a second fifth filter screen 30, and the first fifth filter screen 29 and the second fifth filter screen 30 form a group of filter modules; the lowest end of the grading and sorting shell is provided with a six-grade material collecting port 41, the first fifth filter screen 29 and the second fifth filter screen 30 are obliquely arranged, the lowest end of the first fifth filter screen 29 corresponds to the uppermost end of the second fifth filter screen 30, the lower surface of the first fifth filter screen 29 is connected with a second bridging funnel 36, and an outlet of the second bridging funnel 36 penetrates through the second fifth filter screen 30;
the two side walls of the grading sorting shell are symmetrically provided with vibrating motors 37, and the rotating directions of the vibrating motors 37 are opposite; the bottom of the grading and sorting shell is connected with a base 39, and a damping spring 38 is arranged between the stacking and sorting body and the base 39; the specific inclination angle of each layer of filter screen is not limited, and in this embodiment, preferably, the inclination angle of each layer of filter screen is three degrees.
The specific precision of each layer of filter sieve is not limited, in this embodiment, preferably, the screening precision of the first filter sieve 24, the second filter sieve 25, the third filter sieve 26, the fourth filter sieve and the fifth filter sieve is respectively 0.5mm filter sieve, 0.25mm filter sieve, 0.125mm filter sieve, 0.075mm filter sieve and 0.045mm filter sieve;
the working principle of the embodiment is as follows: the slime water falls down from the screening feeding port 23 and falls on the first filter screen 24 with the inclination angle of 3 degrees and the size of 0.5mm, and the gravity of the coal particles and the exciting force generated by the external vibration motor 37 enable the coal particles with the size larger than 0.5mm to be sorted out from the primary material collecting port 31 corresponding to the first filter screen 24. While the particles of the grade less than 0.5mm enter the second filter sieve 25 with the inclination angle of 3 degrees and the particles of 0.25 mm-0.5 mm are separated from the secondary material collecting port 32 corresponding to the second filter sieve 25, and when the coal particles less than 0.25mm enter the third filter sieve 26 with the inclination angle of 3 degrees, the particles of 0.075 mm-0.25 mm are separated from the tertiary material collecting port 33 corresponding to the third filter sieve 26. Considering the fineness degree of coal particles, a two-section filter sieve is designed for the filter sieve with 0.075mm, the fourth filter sieve with the precision of 0.075mm is subjected to fine filtration of the coal particles through strong exciting force, fine particles screened by the first fourth filter sieve 27 directly fall into the fifth filter layer through the first bridging funnel 34, accumulation of the fine particles is avoided, and the screening efficiency is improved through a direct downward channel. The same 0.045 mm-level particles are used for realizing accurate screening of coal particles and more sufficient screening, the fifth filter screen also adopts two sections of screens, namely a first filter screen 29 and a second filter screen 30, so that the screening accuracy is increased, and the screening quality is improved. The device can separate coal samples with the thickness of more than 0.5mm at one time; 0.25 mm-0.5 mm;0.125 mm-0.25 mm;0.075 mm-0.125 mm;0.045 mm-0.075 mm; and the fine-grained coal slime of different grades less than the grade of <0.045mm, the production efficiency and the economic benefit are improved, the production cost and the production energy are saved, the working efficiency is improved, the manpower is saved, and the liberation of the labor force is realized.
Example 2
Referring to fig. 3 to 4, this embodiment is further improved on the basis of embodiment 1, in fig. 3, three layers of filter screens are arranged, the three layers of filter screens are all arranged obliquely, and an S-shaped continuous channel is formed on the upper surfaces of the three layers of filter screens; the lower surfaces of the filter sieves on the first layer and the second layer are connected with bridging funnels, and outlets of the bridging funnels penetrate through the filter sieve on the lowest layer;
in FIG. 4, four layers of filter sieves are arranged, the four layers of filter sieves are all obliquely arranged, and a continuous channel in a vertical wave shape is formed on the upper surfaces of the four layers of filter sieves; the lower surfaces of the filter sieves on the first layer, the second layer and the third layer are all connected with bridging funnels, and outlets of the bridging funnels penetrate through the filter sieves on the lowest layer;
this example is summarized as follows: the multi-layer filter sieves form a group of filter modules, wherein one group of filter modules comprises at least two layers of filter sieves, and each group of filter modules comprises a tail end filter sieve positioned at the lowest layer and an upper filter sieve positioned above the tail end filter sieve; the screen surfaces of two adjacent layers of filter screens form an included angle with an upward opening, and a discharge port of an upper layer of filter screen of the adjacent screen meshes is connected with a feed port of a lower layer of filter screen; the lower surface of the upper filter screen is connected with an inlet of a bridging funnel for receiving fine particles passing through the filter screen, and an outlet of the bridging funnel penetrates through the tail end filter screen of the current filter module.
The bridging funnels are connected in a mode that in one group of filtering modules, the upper filtering screen directly conveys the fine particles passing through to the lower part of the lowest filtering screen after filtering, and the filtering work of the output or the next filtering module is carried out; thereby greatly increasing the efficiency of filtration.
And when the filtering efficiency is ensured, a group of filtering modules are arranged into a vertical wave-line-shaped continuous channel, so that fine particles are shunted in a limited space, the mode that the fine particles are filtered from one layer of filtering screen is changed into the mode that the fine particles are filtered from different layers of filtering screens, and the filtering efficiency is improved.
Example 3
Referring to fig. 5 to 8 and fig. 1, the coal slime sorting and classifying assembly includes the coal slime sorting and classifying assembly in embodiment 1 and embodiment 2, and further includes a flotation machine main body and a slurry tank 4 disposed outside the flotation machine main body, an output end of the slurry tank 4 is connected to an inside of the flotation machine main body through a feed conduit 6, the feed conduit 6 located inside the flotation machine main body is upwardly connected with a feed stirring area 17, an opening of the feed stirring area 17 is upward and upwardly provided with an equal triangular rotor, the equal triangular rotor completely covers the feed stirring area 17, the equal triangular rotor includes a rotor shaft 18 and a rotor impeller disposed at a lowermost end of the rotor shaft 18, the rotor impeller is of a double-layer umbrella-shaped structure, a cover plate 16 is disposed between the rotor impeller and the feed stirring area 17, the cover plate 16 is provided with circulation holes, and directions of the circulation holes are horizontally disposed; a stirring rotor mechanism for driving the rotor shaft 18 to rotate is arranged above the rotor shaft 18;
a rotary foam scraping device 2 for scraping clean coal foam is arranged on the side wall of the flotation machine main body, and a concentrate foam scraping groove 3 is arranged below the rotary foam scraping device 2; a mixing tank 21 for mixing the slime water is connected between the main body of the flotation machine and the slime grading and sorting component, the slime water is conveyed into the mixing tank 21 after the main body of the flotation machine is floated, the output end of the mixing tank 21 is connected with the slime grading and sorting component, and a mixing impeller 22 is arranged in the mixing tank 21; a sensor 14 is arranged in the flotation machine body, a baffle 15 is arranged below the sensor 14, and the sensor 14 and the froth scraping liquid level of the rotary froth scraping device 2 are positioned on the same horizontal plane.
The stirring rotor mechanism comprises a driving motor 1, wherein the output end of the driving motor 1 is connected with a bevel gear 7, the bevel gear 7 is connected with a driving shaft downwards, and the driving shaft drives a rotor shaft 18 to rotate.
The top of flotation device main part is still including being used for the inside medicine mechanism that adds of flotation device main part, and medicine mechanism includes medicament groove 9, and the lateral wall of medicament groove 9 is connected with adds medicine valve 11, adds medicine valve 11 and outwards is connected with accurate graduated flask 8, and accurate graduated flask 8 is connected with two 19 of medicine valves downwards, and the output that adds medicine valve two 19 stretches into to the flotation device main part in. The reagent tank 9 is positioned above the middle of the flotation machine and is a cylindrical box body with better sealing performance, in order to prevent the reagent from evaporating and leaking, a precise measuring cylinder 8 and a first dosing valve 11 are connected beside the reagent tank 9, and a dosing guide pipe is directly communicated with the flotation center, so that the reagent can be fully contacted with coal slurry, and the flotation effect is improved.
The top of flotation machine main part is still including being used for the inside moisturizing mechanism of flotation machine main part, and moisturizing mechanism includes moisturizing groove 10, and water adding valve 12 is installed to the lateral wall in moisturizing groove 10, and water adding valve 12 is connected with the pipe 13 that adds water, and the pipe 13 that adds water stretches into to the flotation machine main part in. The water supplementing tank 10 is located above the left side of the flotation machine and used for balancing the gravity center of the right vibration motor 37, so that the whole flotation machine is compact in structure, the gravity center of the whole device is reduced, the use of additional building area is reduced, and a continuous bubble scraping link is realized by supplementing clean water through control.
The working principle of the embodiment is as follows: during the flotation operation, the control system opens the feeding valve 5 of the conduit of the pulp tank 4, closes the discharging valve 20, the gravitational potential energy presses the pulp in the pulp tank 4 with high liquid level difference into the stirring center of the flotation machine, the sensor 14 senses the rise of the liquid level, at the moment, an output signal is sent to the control system, so that an instruction is sent to enable the stirring rotor mechanism to work, meanwhile, the dosing mechanism receives an instruction, the optimal reagent ratio is calculated and simulated according to the analysis and research of data, the flotation reagent is pumped out, and during the stirring process, the dosing mechanism is adopted to realize the automatic reagent addition on the basis of detecting the pulp reagent amount and calculating the reagent shortage. According to data and experimental result analysis, after stirring for a period of time, the rotary foam scraper 2 rotates to collect the concentrate. Along with scraping the bubble task and carrying out the decline of water loss liquid level, top sensor 14 gathers the decline of liquid level and sends instruction moisturizing mechanism and carries out the work of adding water for the flotation device accomplishes the concentrate collection that lasts, and after the flotation work was accomplished, open discharge valve 20 immediately and emit the tailing, carry out the flotation task of next batch.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A coal slime grading and sorting assembly comprises a grading and sorting shell, wherein a screening feeding port (23) is formed in the grading and sorting shell, and the coal slime grading and sorting assembly is characterized in that at least one group of filtering modules are arranged in the grading and sorting shell from top to bottom, and each group of filtering modules comprises at least two layers of filtering sieves; each group of filtering modules comprises a tail end filtering sieve positioned at the lowest layer and an upper filtering sieve positioned above the tail end filtering sieve; the screen surfaces of two adjacent layers of filter screens form an included angle with an upward opening, and a discharge port of an upper layer of filter screen of the adjacent screen meshes is connected with a feed port of a lower layer of filter screen;
the lower surface of the upper filter screen is connected with a bridging funnel inlet for receiving fine particles passing through the filter screen, and an outlet of the bridging funnel penetrates through the tail end filter screen of the current filter module;
a material collecting opening is formed in the position, above the lowermost end of each group of the lowermost filter screens, of the grading and sorting shell; the lowest end of the grading and sorting shell is provided with a material collecting opening.
2. The coal slurry classifying and sorting assembly according to claim 1, wherein the pore size of each layer of filter screen in the set of filter modules is the same.
3. The coal slime grading and sorting assembly according to claim 1, wherein a first filter sieve (24), a second filter sieve (25), a third filter sieve (26), a fourth filter sieve and a fifth filter sieve are sequentially arranged in the grading and sorting shell from top to bottom, and a first-stage material collecting port (31), a second-stage material collecting port (32), a third-stage material collecting port (33), a fourth-stage material collecting port (35) and a fifth-stage material collecting port (40) are sequentially formed in the grading and sorting shell from top to bottom at the positions of the side walls of the lowest ends of the various stages of filter sieves;
the fourth filter screen comprises a first fourth filter screen (27) and a second fourth filter screen (28), and the first fourth filter screen (27) and the second fourth filter screen (28) form a group of filter modules; the fifth screen comprises a first fifth screen (29) and a second fifth screen (30), the first fifth screen (29) and the second fifth screen (30) forming a set of filter modules; the lowest end of the grading and sorting shell is provided with a six-grade material collecting port (41).
4. The coal slime grading and sorting assembly according to claim 3, wherein the two side walls of the grading and sorting shell are symmetrically provided with vibrating motors (37), and the rotating directions of the vibrating motors (37) are opposite; the bottom of the grading and sorting shell is connected with a base (39), and a damping spring (38) is arranged between the stacking and sorting body and the base (39); the inclination angle of each layer of filter screen is three degrees.
5. A system comprising the coal slime grading and sorting assembly as set forth in any one of claims 1 to 4, characterized by further comprising a flotation machine main body and a slurry tank (4) disposed outside the flotation machine main body, wherein an output end of the slurry tank (4) is connected to the inside of the flotation machine main body through a feed conduit (6), the feed conduit (6) located inside the flotation machine main body is upwardly connected with a feed stirring area (17), an opening of the feed stirring area (17) is upwardly and upwardly provided with an equal triangular rotor, the equal triangular rotor completely covers the feed stirring area (17), the equal triangular rotor comprises a rotor shaft (18) and a rotor impeller disposed at the lowermost end of the rotor shaft (18), the rotor impeller is of a double-layer umbrella-shaped structure, a cover plate (16) is disposed between the rotor impeller and the feed stirring area (17), the cover plate (16) is provided with circulation holes, and the direction of each circulation hole is horizontally disposed; a stirring rotor mechanism for driving the rotor shaft (18) to rotate is arranged above the rotor shaft (18).
6. The system of the coal slime grading and sorting assembly according to claim 5, characterized in that the side wall of the flotation machine body is provided with a rotary foam scraper (2) for scraping clean coal foam; the bottom of the main body of the flotation machine is connected with a coal slime grading and sorting component for grading and sorting coal slime water, and the main body of the flotation machine conveys the coal slime water into the coal slime grading and sorting component after flotation; a sensor (14) is arranged in the flotation machine main body, and the sensor (14) and the foam scraping liquid level of the rotary foam scraping device (2) are positioned on the same horizontal plane.
7. The system for the coal slime grading and sorting assembly according to claim 5, wherein the stirring rotor mechanism comprises a driving motor (1), a bevel gear (7) is connected to the output end of the driving motor (1), a driving shaft is downwards connected to the bevel gear (7), and the driving shaft drives a rotor shaft (18) to rotate.
8. The system for the coal slime grading and sorting assembly according to claim 5, wherein a dosing mechanism used inside the main body of the flotation machine is further arranged above the main body of the flotation machine, the dosing mechanism comprises a chemical tank (9), a first dosing valve (11) is connected to the side wall of the chemical tank (9), a precise measuring cylinder (8) is connected to the first dosing valve (11) outwards, a second dosing valve (19) is connected to the precise measuring cylinder (8) downwards, and the output end of the second dosing valve (19) extends into the main body of the flotation machine.
9. The system for classifying and sorting the coal slime according to claim 5, wherein a water supplementing mechanism used in the flotation machine main body is further arranged above the flotation machine main body, the water supplementing mechanism comprises a water supplementing tank (10), a water adding valve (12) is installed on the side wall of the water supplementing tank (10), the water adding valve (12) is connected with a water adding guide pipe (13), and the water adding guide pipe (13) extends into the flotation machine main body.
10. The system for classifying and sorting the coal slime according to claim 6, wherein a stirring barrel (21) for stirring the coal slime water is connected between the main body of the flotation machine and the coal slime classifying and sorting assembly, the coal slime water is conveyed into the stirring barrel (21) after the main body of the flotation machine performs flotation, the output end of the stirring barrel (21) is connected with the coal slime classifying and sorting assembly, and a stirring impeller (22) is arranged in the stirring barrel (21).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110609630.9A CN113369024B (en) | 2021-06-01 | 2021-06-01 | Coal slime grading and sorting assembly and system thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110609630.9A CN113369024B (en) | 2021-06-01 | 2021-06-01 | Coal slime grading and sorting assembly and system thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113369024A CN113369024A (en) | 2021-09-10 |
CN113369024B true CN113369024B (en) | 2022-11-29 |
Family
ID=77575352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110609630.9A Active CN113369024B (en) | 2021-06-01 | 2021-06-01 | Coal slime grading and sorting assembly and system thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113369024B (en) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201928911U (en) * | 2011-01-07 | 2011-08-17 | 福建日春实业有限公司 | Tea leaf sieving machine |
CN202527357U (en) * | 2012-03-01 | 2012-11-14 | 聚威工程塑料(上海)有限公司 | Plastic grain vibration screen |
CN203437306U (en) * | 2013-05-27 | 2014-02-19 | 中国石油化工集团公司 | A polyvinyl alcohol sieving device |
CN104668106A (en) * | 2013-11-29 | 2015-06-03 | 大耐泵业有限公司 | Novel efficient flotation machine |
CN105689157A (en) * | 2016-04-11 | 2016-06-22 | 安徽理工大学 | Swinging-stirring flotation equipment with self-slurry-mixing function |
CN105921398A (en) * | 2016-05-31 | 2016-09-07 | 昆明理工大学 | Mechanically excited vibration screening device for bulk medium particles |
PL413057A1 (en) * | 2015-07-07 | 2017-01-16 | Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie | Multideck vibrating screen |
CN207126781U (en) * | 2017-08-10 | 2018-03-23 | 金寨县人海农业开发有限公司 | A kind of multistage rice shiver processing unit (plant) |
CN207308102U (en) * | 2017-10-13 | 2018-05-04 | 洛阳振北工贸有限公司 | A kind of use for laboratory hanging trough flotator being automatically replenished |
CN212596413U (en) * | 2020-07-03 | 2021-02-26 | 昆明理工大学 | Automatic water supplementing device with flushing function for laboratory flotation machine |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011094842A1 (en) * | 2010-02-05 | 2011-08-11 | Dobby Glenn S | Froth flotation and apparatus for same |
-
2021
- 2021-06-01 CN CN202110609630.9A patent/CN113369024B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201928911U (en) * | 2011-01-07 | 2011-08-17 | 福建日春实业有限公司 | Tea leaf sieving machine |
CN202527357U (en) * | 2012-03-01 | 2012-11-14 | 聚威工程塑料(上海)有限公司 | Plastic grain vibration screen |
CN203437306U (en) * | 2013-05-27 | 2014-02-19 | 中国石油化工集团公司 | A polyvinyl alcohol sieving device |
CN104668106A (en) * | 2013-11-29 | 2015-06-03 | 大耐泵业有限公司 | Novel efficient flotation machine |
PL413057A1 (en) * | 2015-07-07 | 2017-01-16 | Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie | Multideck vibrating screen |
CN105689157A (en) * | 2016-04-11 | 2016-06-22 | 安徽理工大学 | Swinging-stirring flotation equipment with self-slurry-mixing function |
CN105921398A (en) * | 2016-05-31 | 2016-09-07 | 昆明理工大学 | Mechanically excited vibration screening device for bulk medium particles |
CN207126781U (en) * | 2017-08-10 | 2018-03-23 | 金寨县人海农业开发有限公司 | A kind of multistage rice shiver processing unit (plant) |
CN207308102U (en) * | 2017-10-13 | 2018-05-04 | 洛阳振北工贸有限公司 | A kind of use for laboratory hanging trough flotator being automatically replenished |
CN212596413U (en) * | 2020-07-03 | 2021-02-26 | 昆明理工大学 | Automatic water supplementing device with flushing function for laboratory flotation machine |
Also Published As
Publication number | Publication date |
---|---|
CN113369024A (en) | 2021-09-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN206008237U (en) | A kind of fine sand recovery system | |
CN115970873A (en) | Device and method for sorting carbon residue in gasified slag | |
US4274963A (en) | Solids and liquid separating apparatus | |
CN113369024B (en) | Coal slime grading and sorting assembly and system thereof | |
CN1278778C (en) | Device for clarifying charged liquid by flotation | |
CN113354142A (en) | Flocculation classification dewatering device | |
CN106423524A (en) | Sorting system and method for fragment raw materials of waste automobiles | |
CN115215477B (en) | Underground mine water treatment device and method for coal mine | |
CN112844810B (en) | Device and method for recovering clean coal | |
CN214262314U (en) | Multistage magnetic separation separator | |
CN1261366C (en) | Integrated device for separation of oil-field production liquid and treatment of sewage | |
CN210496792U (en) | Novel concentrating table | |
CN210474280U (en) | Device for grading silicon carbide | |
CN104998441B (en) | Mine tailing slurry efficient graded concentrating machine | |
CN210905109U (en) | Efficient grading thickener for tailing slurry for producing titanium fine powder | |
CN211536634U (en) | Traditional chinese medicine extract oil-water separation equipment | |
CN209647005U (en) | A kind of conveying purifying plant in quartz sand production process | |
CN110668669B (en) | Mud-water separation system | |
CN219324299U (en) | Efficient separation device for floaters in slag aggregate tail sand | |
CN218467574U (en) | High-concentration low-density solid-content mud collecting loop of drilling fluid negative pressure vibrating screen | |
CN210787716U (en) | Continuous liquid phase grading plant | |
CN219765618U (en) | Rotary vibration type fine sand recycling equipment | |
CN208591950U (en) | A kind of mining hierarchical machine of high-effective classifying | |
CN217809050U (en) | Rural sewage treatment complete equipment | |
CN209349043U (en) | A kind of rough sorter of paddy for rice grading screening |
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 | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240711 Address after: 719400 Lijia Shipan Village, Laogaochuan Township, Fugu County, Yulin City, Shaanxi Province Patentee after: Fugu Rongmao Coal Industry Co.,Ltd. Country or region after: China Address before: 232001 No.168, Taifeng street, tianjia'an District, Huainan City, Anhui Province Patentee before: Anhui University of Science and Technology Country or region before: China |