CN114100834B - Sorting system of ladder flow dry separator - Google Patents
Sorting system of ladder flow dry separator Download PDFInfo
- Publication number
- CN114100834B CN114100834B CN202210082829.5A CN202210082829A CN114100834B CN 114100834 B CN114100834 B CN 114100834B CN 202210082829 A CN202210082829 A CN 202210082829A CN 114100834 B CN114100834 B CN 114100834B
- Authority
- CN
- China
- Prior art keywords
- sorting
- diversion
- plate
- bed
- belt
- 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
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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B4/00—Separating by pneumatic tables or by pneumatic jigs
- B03B4/02—Separating by pneumatic tables or by pneumatic jigs using swinging or shaking tables
-
- 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
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention provides a sorting system of a cascade dry separator, which relates to the technical field of material sorting and comprises the following components: the device comprises a sorting bed, a plate turnover device and a backwashing device; the unseparated middlings layer material that will select separately the bed through arranging the material mechanism and select separately is carried among the backwash device, and the backwash device carries unseparated middlings material among the sorting bed again, selects separately once more, has avoided the waste of middlings material, has alleviated the wind-force that exists among the prior art and has selected separately the process in, under the effect of wind and vibration, the material layering, always have the unable complete separation of mid portion, form the middlings layer, direct discharge can form the extravagant technical problem of a large amount of data.
Description
Technical Field
The invention relates to the technical field of material separation, in particular to a separation system of a cascade dry separator.
Background
At present, wet separation is generally adopted in the coal separation process, the separation process is complex, water is needed in the separation process, the coal separation process is not suitable for northwest water shortage areas, and the water treatment cost is high. In addition, in alpine regions, the product coal obtained by wet separation is easily frozen and difficult to transport, and the low-rank coal is easily subjected to argillization during wet separation. Although the application range of dry separation is less common than that of wet separation, the development of the dry separation is extremely rapid in the years, and the TDS intelligent dry separator basically solves the problem of dry separation of the lump coal with the size of more than 25 mm.
However, in the process of wind power separation, under the action of wind and vibration, materials are layered, the middle part of the materials cannot be completely separated, a middle coal layer is formed, and a large amount of materials are wasted due to direct discharge.
Disclosure of Invention
The invention aims to provide a sorting system of a cascade dry separator, which solves the technical problems that materials are layered under the action of wind and vibration in the wind sorting process, the middle part of the materials cannot be completely separated to form a medium coal bed, and a large amount of data is wasted due to direct discharge in the prior art.
In a first aspect, the present invention provides a sorting system of a cascade dry separator, including: the device comprises a sorting bed, a discharging mechanism and a backwashing device;
the sorting bed is used for sorting materials according to density layers, the discharging mechanism is used for cutting the materials in the sorting bed according to material layers, the discharged materials after the discharging mechanism cuts enter the backwashing device, and the materials in the backwashing device can enter the sorting bed.
In an alternative embodiment, the backwashing device further comprises a flap device and a backwashing belt, the flap device is provided with a diversion division plate, and the diversion division plate is configured to be capable of rotating relative to the flap device so as to change the material movement direction; the material in the flap device is configured to be selectively able to enter the backwash belt.
In an optional embodiment, the backwashing device further comprises a transfer belt, one end of the transfer belt is communicated with the discharging mechanism, the other end of the transfer belt is communicated with the plate turnover device, and the transfer belt is configured to convey the material discharged by the discharging mechanism to the plate turnover device.
In an alternative embodiment, the flap device comprises a diversion box and a flap drive member;
the top of water conservancy diversion box is provided with the water conservancy diversion feed inlet, transport the belt with the water conservancy diversion feed inlet intercommunication, the bottom of water conservancy diversion box is provided with the first discharge gate of water conservancy diversion and water conservancy diversion second discharge gate, the water conservancy diversion divides the board set up in the water conservancy diversion box, just turn over board drive component with the transmission of water conservancy diversion divides the board to be connected, the water conservancy diversion divides the board by turn over board drive component drive the water conservancy diversion internal rotation of box in order to change the material in the water conservancy diversion box flows out the route, make the material by the first discharge gate of water conservancy diversion or the water conservancy diversion second discharge gate flows out.
In an optional embodiment, the diversion second discharge port is communicated with the backwashing belt, and the diversion dividing plate is adjusted to enable the material to flow out of the diversion second discharge port and enter the backwashing belt.
In an optional embodiment, the sorting bed comprises an air distribution bottom plate, a feeding sliding plate, a separation plate and two oppositely arranged side plates;
the side plates comprise a left side plate, a middle side plate and a right side plate, and the middle side plate is arranged along the vibration direction of the sorting bed;
the pan feeding slide set up in the entry end of cloth wind bottom plate, the division board set up in the exit end of cloth wind bottom plate, just the division board perpendicular to cloth wind bottom plate, the material layer overflow in select separately the bed discharge from the clean coal bin outlet behind the division board.
In an alternative embodiment, the cascade dry separator sorting system further comprises an adjustment mechanism;
the side plate is provided with a hoisting fixing part, the adjusting mechanism is connected with the hoisting fixing part and configured to be capable of driving the sorting bed to move so as to adjust the inclination angle of the air distribution bottom plate.
In an alternative embodiment, the adjusting mechanism comprises a hoisting driving motor and a transmission screw;
one end of the transmission screw rod is connected with the driving end of the hoisting driving motor, and the other end of the transmission screw rod is connected with the hoisting fixing piece.
In an optional embodiment, a string sieve plate is arranged on the wind distribution bottom plate;
the string sieve plate comprises a plurality of elastic strips, fixing strips and fastening bolts;
the fixing strips are arranged on the two sides of the elastic strip and are fixed on the air distribution bottom plate through the fixing strips;
the fastening bolt is connected with the fixing strip and is configured to be capable of driving the fixing strip to move so as to adjust the tensioning degree of the elastic strip.
In an optional embodiment, the separation system of the cascade dry separator further comprises an air distribution device;
the air distribution device also comprises a main air pipe and an air chamber air pipe;
the air chamber air pipes are communicated with the main air pipe, the end part of the main air pipe is provided with a fan, and the inner diameter of the main air pipe is gradually reduced along the direction far away from the fan, so that the air quantity entering the air chamber air pipes is the same.
In an alternative embodiment, the cascade dry separator sorting system further comprises a loading belt;
the feeding belt is used for conveying materials to the sorting bed along a first direction, a material recovery trolley is arranged on one side, away from the sorting bed, of the feeding belt, the feeding belt can convey the materials to the material recovery trolley along a second direction, and the first direction is opposite to the second direction.
In an optional embodiment, the discharge port of the backwashing belt is connected with the feed port of the feeding belt, so as to convey the materials in the backwashing belt to the separation bed.
In an optional embodiment, the sorting bed comprises at least two discharging mechanisms, wherein a discharging wheel is arranged in each discharging mechanism, the discharging wheel is in transmission connection with a rotation driving motor through a universal shaft, and the rotation driving motor is arranged on a peripheral supporting frame.
In an optional embodiment, the cascade dry separator sorting system further comprises a dust removal system, and the dust removal system and the air supply system form a sealed internal circulation air flow.
In an optional embodiment, the dust removal system comprises a dust hood, a dust removal air pipe and a cyclone dust collector;
the dust excluding hood with the sorting bed flexible coupling, turning plate device passes through water conservancy diversion dust removal mouth and dust pelletizing system intercommunication, cyclone dust remover exit end with the back-washing device intercommunication.
In an alternative embodiment, the cascade dry separator sorting system further comprises a vibratory distributor;
the vibrating distributor is arranged at the discharge end of the feeding belt, and a control flashboard is arranged on the vibrating distributor and used for controlling the feeding amount of the material distributed to the sorting bed.
The invention provides a sorting system of a cascade dry separator, which comprises: the device comprises a sorting bed, a discharging mechanism and a backwashing device; the sorting bed is used for sorting materials according to density in a layering mode, the discharging mechanism is used for cutting the layered materials in the sorting bed according to material layers, and the materials discharged after being cut by the discharging mechanism enter the backwashing device; the unseparated middlings layer material that will select separately the bed through arranging the material mechanism and select separately is carried among the backwash device, and the backwash device carries unseparated middlings material among the sorting bed again, selects separately once more, has avoided the waste of middlings material, has alleviated the wind-force that exists among the prior art and has selected separately the process in, under the effect of wind and vibration, the material layering, always have the unable complete separation of mid portion, form the middlings layer, direct discharge can form the extravagant technical problem of a large amount of data.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic overall structure diagram of a sorting system of a cascade dry separator provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a plate turnover device in a sorting system of a cascade dry separator provided in an embodiment of the invention;
fig. 3 is a schematic view of an internal structure of a plate turnover device in a sorting system of a cascade dry separator provided by an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a sorting bed in a sorting system of a cascade dry separator provided by an embodiment of the invention;
FIG. 5 is a schematic structural diagram of an adjusting mechanism in a sorting system of a dry separator of an elevator flow according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a string screen plate in the sorting system of the cascade dry separator provided by the embodiment of the invention;
FIG. 7 is a schematic structural diagram of a cardan shaft in a sorting system of a dry separator of an elevator flow according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a vibrating distributor and a control gate in a sorting system of an embodiment of the invention;
FIG. 9 is a schematic view of an installation structure of a discharge wheel in a sorting system of a dry separator with an elevator flow according to an embodiment of the present invention;
fig. 10 is a cross-sectional view of a sorting bed in a cascade dry sorting system according to an embodiment of the present invention.
Icon: 100-a sorting bed; 110-air distribution bottom plate; 120-feeding sliding plate; 130-a divider plate; 1301-a discharge side plate; 1302-a baffle; 140-side plates; 1401-left side panel; 1402-middle side plate; 1403-right side plate; 141-hoisting the fixing piece; 200-a plate turnover device; 210-diversion sub-plates; 220-a diversion box body; 221-guiding a first discharge hole; 222-guiding a second discharge hole; 223-diversion feed inlet; 230-flap drive means; 300-a backwashing device; 301-backwashing the belt; 400-an adjustment mechanism; 410-hoisting a driving motor; 420-a drive screw; 500-string screen plate; 510-an elastic strip; 520-a fixing strip; 530-fastening bolts; 600-air distribution device; 610-main air pipe; 620-air chamber air pipe; 700-a feeding belt; 710-a material recovery trolley; 800-dust excluding hood; 900-a material discharging wheel; 910-cardan shaft; 920-rotating the driving motor; 930-vibrating distributor; 940-control gate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
As shown in fig. 1, a sorting system of a cascade dry separator comprises: a sorting bed 100, a discharge mechanism and a backwashing device 300; the sorting bed 100 is used for sorting materials according to density in a layered mode, the discharging mechanism is used for cutting the layered materials in the sorting bed 100 according to material layers, the materials discharged after being cut by the discharging mechanism enter the backwashing device 300, and the materials in the backwashing device 300 can enter the sorting bed 100.
Specifically, sorting bed 100 adopts the coupling effect of wind-force and vibration to select separately the material, at the sorting in-process, the material takes place the layering according to material density gradually under the effect of wind and vibration, the waste rock of heavy density sinks to the bottom at the in-process of motion, form the waste rock layer, the clean coal of light density upwards moves, form the clean coal layer, set up row material mechanism along the material direction of motion on sorting bed 100, the material of row material mechanism cutting sorting bed 100 lower floor, with the continuous discharge sorting bed 100 of material, the material discharges and enters back washing device 300 behind sorting bed 100, through back washing device 300, the material can get into sorting bed 100 once more, certainly the material also can get into other regions through back washing device 300. After the materials enter the sorting bed 100 through the backwashing device 300, the materials can be sorted again, so that the waste of the materials is avoided, and the sorting precision is improved.
The sorting system of the cascade dry separator provided by the embodiment comprises a sorting bed 100, a discharging mechanism and a backwashing device 300; the sorting bed 100 is used for sorting materials according to density in a layered mode, the discharging mechanism is used for cutting the layered materials in the sorting bed 100 according to material layers, the materials discharged after being cut by the discharging mechanism enter the backwashing device 300, and the materials in the backwashing device 300 can enter the sorting bed 100. The waste of middlings material has been avoided, the in-process that exists among the prior art when wind-force sorting process, under the effect of wind and vibration, the material layering, because the problem of arranging the cutting of material mechanism, always can have the alternately partial quilt of layering to be discharged at the in-process of arranging the material, forms the middlings bed, and direct discharge can form the extravagant technical problem of a large amount of data.
As shown in fig. 10, the sorting bed 100 includes a plurality of sorting sections, a discharge outlet is provided at the end of each sorting section, the discharge mechanism is provided at the lower part of the discharge outlet of the sorting bed 100, a partition plate 130 is provided at the front end of the sorting section, after the sorting of the previous sorting section, gangue with a certain thickness is formed at the bottom layer of the bed layer, the rotation of the discharge wheel 900 in the discharge mechanism is controlled, the thickness of the discharged bottom layer material can be controlled, which is equivalent to cutting the bottom layer material and discharging the material, and the material overflowing the partition plate 130 continues to enter the next sorting section.
On the basis of the above embodiment, the backwashing device 300 further comprises a flap device 200 and a backwashing belt 301, the flap device 200 has a diversion minute plate 210, and the diversion minute plate 210 is configured to be capable of rotating relative to the flap device 200 to change the material moving direction; the material in the flap arrangement 200 is arranged to be optionally able to enter the backwash belt 301.
Specifically, the backwashing device 300 further comprises a flap device 200 and a backwashing belt 301, wherein the flap device 200 is arranged to change the flow direction of the material discharged by the discharging mechanism and provide multiple discharging directions for the discharged material, the flap device 200 is provided with a diversion sub-plate 210, and the diversion sub-plate 210 is configured to be capable of rotating relative to the flap device 200 to change the movement direction of the material; when the direction of the diversion sub-plate 210 is changed, the plate turnover device 200 is communicated with the backwashing belt 301, and the materials can enter the backwashing belt 301 after passing through the plate turnover device 200 and are conveyed to the separation bed 100 through the backwashing belt 301 for secondary separation.
On the basis of the above embodiment, the backwashing device 300 further includes a transfer belt, one end of the transfer belt is communicated with the discharging mechanism, the other end is communicated with the plate turnover device 200, and the transfer belt is configured to convey the material discharged by the discharging mechanism to the plate turnover device 200.
Specifically, the backwashing device 300 further includes a transfer belt, one end of the transfer belt is communicated with the discharging mechanism, the other end of the transfer belt is communicated with the plate turnover device 200, and the transfer belt is configured to convey the material discharged by the discharging mechanism to the plate turnover device 200. After the sorting bed 100 is layered, the material is cut and discharged from the lower layer by the discharging mechanism, the discharged material enters the plate turnover mechanism through the transfer belt, and the plate turnover mechanism is configured to convey the material to the backwashing belt 301 or convey the material to other areas.
On the basis of the above embodiments, as shown in fig. 2 and fig. 3, in an alternative embodiment, the flap device 200 in the sorting system of the elevator flow dry separator provided by the present embodiment includes a diversion box 220 and a flap driving member 230; the top of the diversion box body 220 is provided with a diversion feed inlet 223, the bottom of the diversion box body 220 is provided with a diversion first discharge outlet 221 and a diversion second discharge outlet 222, the transfer belt is communicated with the diversion feed inlet 223, the diversion sub plate 210 is arranged in the diversion box body 220, the turning plate driving member 230 is in transmission connection with the diversion sub plate 210, the diversion sub plate 210 is driven by the turning plate driving member 230 to rotate in the diversion box body 220 so as to change the material outflow path in the diversion box body 220, and the material flows out from the diversion first discharge outlet 221 or the diversion second discharge outlet 222.
Specifically, the diversion box body 220 is of a box-type structure, a diversion feed inlet 223 is formed in the top of the diversion box body 220, the sorting bed 100 sorts out materials and discharges the materials through a discharge mechanism, the materials enter the diversion feed inlet 223 through a transfer belt and enter the diversion box body 220 through the diversion feed inlet 223, a diversion distribution plate 210 is installed inside the diversion box body 220 and can rotate, a diversion first discharge outlet 221 or a diversion second discharge outlet 222 can be selectively opened, when the diversion first discharge outlet 221 is opened, the materials in the diversion box body 220 flow out of the diversion first discharge outlet 221 and enter a transfer conveying belt and are conveyed to the outside of the system, when the diversion second discharge outlet 222 is opened, the materials in the diversion box body 220 enter a backwashing belt 301 and return to the sorting bed 100 again.
In an alternative embodiment, the diversion second outlet 222 is communicated with the backwashing belt 301, and the diversion dividing plate 210 is adjusted to enable the material to flow out of the diversion second outlet 222 and enter the backwashing belt 301.
Specifically, the material in the diversion box 220 can enter the backwashing belt 301 through the diversion second discharge hole 222, and the material is conveyed to the sorting bed 100 again by the backwashing belt 301.
In this embodiment, when the sorting bed 100 starts to work, the separation effect of the material discharged from the discharging mechanism is uncertain because the quality of the fed material is different and the wind power and vibration parameter settings are not completely adapted, the material can be selectively discharged from the first diversion discharge port 221 or the second diversion discharge port 222 by adjusting the diversion dividing plate 210 in the plate turnover device 200, when the separation effect needs to be detected or observed, the material can be selectively discharged from the first diversion discharge port 221, after the detection or observation is completed, if the separation effect is not good, the material is selectively discharged from the second diversion discharge port 222, and the material enters the sorting bed 100 again through the backwashing belt 301; and then, continuously adjusting the sorting parameters, repeating the steps until an ideal sorting effect is achieved, and then selecting the first diversion discharge hole 221 to discharge the materials and transferring the materials to other conveying mechanisms.
Or in another embodiment, when the sorting bed 100 starts to work, according to the characteristics or quality of the materials, within a period of time set by default, the diversion minute plates 210 in all the plate turnover devices 200 select a mode of opening the diversion second discharge port 222, so that the materials discharged by all the discharging mechanisms enter the backwashing belt 301 through the plate turnover devices 200, and after the sorting bed 100 works stably or the sorting effect reaches a preset value (which can be observed through the observation window of the sorting bed 100 or through the backwashing belt 301), the diversion minute plates 210 in the plate turnover devices 200 are adjusted, so that only middlings enter the backwashing belt 301, and other discharged materials enter other transfer belts.
In another embodiment, the discharging mechanism comprises a gangue discharge port, a middlings discharge port and a clean coal discharge port, each discharge port is connected with a flap device 200, wherein the flap devices 200 connected with the middlings discharge port comprise diversion sub-plates 210, the diversion sub-plates 210 are kept to be communicated with diversion second discharge ports 222, the middlings discharge materials, the materials pass through the flap devices 200 and then enter the backwashing belts 301, and the materials enter the sorting beds 100 again through the backwashing belts 301. The plate turnover device 200 connected with the gangue discharge port intermittently rotates the diversion sub-plate 210 according to the preset time, and the gangue is alternately discharged from the diversion first discharge port 221 or the diversion second discharge port 222 according to the preset time period, so that when the thickness of the gangue layer in the sorting bed 100 is smaller, the materials discharged from the gangue discharge port contain part of clean coal, at the moment, the materials are discharged from the diversion second discharge port 222, enter the backwashing belt 301, enter the separation bed 100 again, through continuous backwashing, the gangue in the separation bed 100 is continuously gathered, at the moment, the materials are discharged from the diversion first discharge port 221, enter other transfer belts, the turning plate device 200 is not installed at the clean coal discharge port, the clean coal can directly enter other transfer belts after being discharged, or the plate turnover device 200 keeping the clean coal discharge port connected keeps the materials discharged from the diversion first discharge port 221 all the time and enters other transfer belts.
As shown in fig. 4, in an alternative embodiment, the sorting bed 100 includes a wind distribution bottom plate 110, a feeding slide plate 120, a partition plate 130, and two oppositely disposed side plates 140; the side plates 140 include a left side plate 1401, a middle side plate 1402 and a right side plate 1403, the middle side plate 1402 being disposed along the vibration direction of the sorting bed 100; the feeding slide plate 120 is arranged at the inlet end of the air distribution bottom plate 110, the partition plate 130 is arranged at the outlet end of the air distribution bottom plate 110, the partition plate 130 is perpendicular to the air distribution bottom plate 110, and the material layer in the separation bed 100 overflows the partition plate 130 and then is discharged from the clean coal discharge outlet.
Specifically, the sorting bed 100 includes two symmetrical side plates 140, an air distribution bottom plate 110, a feeding sliding plate 120 at a feeding end and a partition plate 130 at a discharging end, the partition plate 130 is perpendicular to the air distribution bottom plate 110, the height of the partition plate 130 is 1/5-1/4 of the thickness of a feeding bed layer, a discharging opening is formed in the partition plate 130 in an outward extending mode, when materials move to the partition plate 130, the materials overflowing the partition plate 130 are discharged from the discharging opening, a baffle is arranged on the discharging opening, the height of the baffle is consistent with that of the discharging side plates 1301 on two side edges, and the discharging opening is a clean coal discharging opening.
The inclination angle of the feeding slide plate 120 is 60-75 degrees, and the materials pass through the feeding belt 700, enter the feeding slide plate 120 of the sorting bed 100 through the distributor, and slide into the sorting bed 100 through the feeding slide plate 120.
The side plates 140 of the sorting bed 100 comprise a left side plate 1401, a middle side plate 1402 and a right side plate 1403, wherein the middle side plate 1402 is arranged along the vibration direction of the sorting bed 100, the structure is guaranteed to be most stable in the vibration process, a vibration mechanism (optional vibration exciter) can be installed on the middle side plate 1402, the left side and the right side of the vibration mechanism are symmetrically arranged, or the vibration mechanism is installed on connecting rods on the upper portions of the two middle side plates 1402, and the vibration direction of the vibration mechanism is guaranteed to be parallel to the middle side plate 1402.
As shown in fig. 5, in an alternative embodiment, the cascade dry separator sorting system further comprises an adjustment mechanism 400; the side plate 140 is provided with a hoisting fixing member 141, the adjusting mechanism 400 is connected with the hoisting fixing member 141, and the adjusting mechanism 400 is configured to be capable of driving the side plate 140 to move so as to adjust the inclination angle of the air distribution bottom plate 110.
Specifically, the lifting fixing member 141 is arranged outside the side plate 140, the lifting fixing member 141 can be set as a lifting lug, the adjusting mechanism 400 is connected with the side plate 140 through the lifting fixing member 141, and the side plate 140 and the air distribution bottom plate 110 are integrated, so that the adjusting mechanism 400 drives the side plate 140 to move up and down, and the inclination angle of the air distribution bottom plate 110 can be adjusted.
In an alternative embodiment, the adjustment mechanism 400 includes a hoist drive motor 410 and a drive screw 420; one end of the transmission screw 420 is connected to the driving end of the hoisting driving motor 410, and the other end of the transmission screw 420 is connected to the hoisting fixing member 141.
Specifically, four adjusting mechanisms 400 are arranged, the four adjusting mechanisms 400 are symmetrically arranged on two sides of the side plate 140, and the hoisting driving motor 410 is adopted to drive the transmission screw rod 420 to drive the side plate 140 to move up and down.
As shown in fig. 6, in an alternative embodiment, the wind distribution bottom plate 110 is provided with a string sieve plate 500; the string screen plate 500 comprises a plurality of elastic strips 510, fixing strips 520 and fastening bolts 530; fixing strips 520 are arranged on both sides of the elastic strip 510 and are fixed on the air distribution bottom plate 110 through the fixing strips 520; the fastening bolt 530 is connected to the fixing strip 520, and the fastening bolt 530 is configured to move the fixing strip 520 to adjust the tension of the elastic strip 510.
The traditional air distribution bottom plate 110 adopts a perforated plate, a cross support and a screw fixing position, and vibration amplitude is reduced due to rigid fixation, so that a bed plate is blocked.
Specifically, polyurethane fixed strip 520 passes through the mounting hole to be fixed at the cross structure of cloth wind bottom plate 110, press from both sides between two fixed strips 520 and establish a plurality of elastic strip 510 of placing side by side, elastic strip 510 can set up to the wavy, also can set up to the linearity, and elastic strip 510 sets up to wear-resisting elastic steel strip, elastic strip 510 is great along with the amplitude of vibration, can drive the vibration of elastic steel strip during the equipment vibration, interval between the vibration steel strip can take place periodic variation, when the material card that the granularity is close to the billet clearance is between the elastic steel strip, the interval of change can make the material of blocking take place not hard up and drop, or the adhesion back on flexible sifter, under the elastic deformation of elastic steel strip self, the material of adhesion can be thrown away, the effectual jam cloth wind bottom plate 110 card of dry process of sorting out of the process blocks up stifled with the difficult problem of adhesion.
In addition, one end of the fastening bolt 530 is installed on the rack, the other end of the fastening bolt 530 is connected with the fixing strip 520, the fixing strip 520 is driven to move by rotating the fastening bolt 530, and then the elastic strip 510 connected with the fixing strip 520 is stretched straight, so that the elastic strip 510 is prevented from being loosened after being used for a long time, and actual production needs are met.
In an alternative embodiment, the cascade dry separator sorting system further comprises an air distribution device 600; the air distribution device 600 further comprises a main air pipe 610 and a plenum air pipe 620; the plurality of air chamber air pipes 620 are all communicated with the main air pipe 610, a fan is arranged at the end part of the main air pipe 610, and the inner diameter of the main air pipe 610 is gradually reduced along the direction far away from the fan, so that the air volume entering the plurality of air chamber air pipes 620 is the same.
Specifically, the main air pipe 610 starts from the direction of the fan, the inner diameter of the main air pipe is gradually reduced, the air supply of the same fan is guaranteed, the air volume of the plurality of air chamber air pipes 620 is the same, butterfly valves are arranged in the air chamber air pipes 620, the air volume is controlled, the digital air valves can provide pulsating air which changes uniformly, an air equalizing plate is further arranged, the air equalizing plate is a perforated plate which is the same as the inner diameter of the air chamber air pipes 620 and is used for homogenizing the air entering the air chamber, the air contacting each position of the air distributing plate is uniform, preset air enters the air chamber after passing through the air equalizing plate, and the air chamber diffuses and enters the sorting bed 100 after passing through the string sieve plate 500.
In an alternative embodiment, the cascade dry separator sorting system further comprises a feeding belt 700; the feeding belt 700 is used for conveying materials to the sorting bed 100 along a first direction, a material recovery trolley 710 is arranged on one side, away from the sorting bed 100, of the feeding belt 700, and the feeding belt 700 is used for conveying the materials to the material recovery trolley 710 along a second direction, wherein the first direction is opposite to the second direction; the discharge port of the backwashing belt 301 is connected with the feed port of the feeding belt 700, so as to convey the materials in the backwashing belt 301 to the sorting bed 100.
Specifically, the first direction is a direction for conveying the materials to the separation bed 100, the second direction is a direction opposite to the first direction, an openable material return port is arranged at the end of the feeding belt 700, and the feeding belt 700 is a bidirectional belt and can be reversed, so that the materials are recovered in the material recovery trolley 710.
As shown in fig. 7 and 9, in an alternative embodiment, the sorting bed 100 includes at least two discharging mechanisms, a discharging wheel 900 is disposed in the discharging mechanism, the discharging wheel 900 is in transmission connection with a rotation driving motor 920 through a universal shaft 910, and the rotation driving motor 920 is mounted on a peripheral supporting frame.
Specifically, the separation system of the cascade dry separator further comprises a first air chamber, a second air chamber and a third air chamber, three separation plates 130 are arranged in the separation bed 100, the three separation plates 130 are configured to separate the separation bed 100 into a first screening chamber, a second screening chamber and a third screening chamber, the first air chamber is communicated with the first screening chamber, the second air chamber is communicated with the second screening chamber, the third air chamber is communicated with the third screening chamber, a discharge wheel 900 is arranged between the first screening chamber and the second screening chamber, the discharge wheel 900 is arranged between the second screening chamber and the third screening chamber, as the rotary driving motor 920 has a certain weight and cannot be installed on the separation bed 100, and the separation bed 100 is vibrating and has a certain amplitude, in order to overcome the problem of power transmission in the vibrating process, a universal shaft 910 is connected to the transmission shaft, so that the rotation speed of the discharge wheel 900 is accurate and controllable, the conveying motor is fixedly arranged on the peripheral supporting frame.
In an optional embodiment, the discharging mechanism comprises a gangue discharging mechanism and a middling discharging mechanism, the gangue discharging mechanism is connected with the plate turnover device 200 through a transfer belt, and the middling discharging mechanism is connected with the backwashing device 300 through a transfer belt.
In an optional embodiment, the cascade dry separator sorting system further comprises a dust removal system, and the dust removal system and the air supply system form a sealed internal circulation airflow.
In an alternative embodiment, the dust removal system comprises a dust hood 800, a dust removal air pipe and a cyclone dust collector; the dust hood 800 is flexibly connected with the sorting bed 100, the plate turnover device 200 is communicated with a dust removal system through a flow guide dust removal port, and the outlet end of the cyclone dust collector is communicated with the backwashing device 300.
Specifically, since the separation bed 100 is vibrated and moves up and down, and the dust removing system is fixedly installed, the dust hood 800 is directly connected with the separation bed 100 through canvas in a flexible manner, so that the connection between the dust hood 800 and the separation bed 100 has a certain displacement.
In addition, the discharge opening of the third screening chamber is an overflow opening and is collected through a material collecting system, and the discharge opening is fixedly connected with the bed body, so that the third screening chamber is in a vibration state during working, the material can be accurately received by the material collecting system for ensuring that the material does not overflow, the designed material collecting system is matched with the shape of the discharge opening to meet the bottom, and the caliber of the material collecting system is larger than that of the discharge opening.
In an optional embodiment, the cascade dry separator sorting system further comprises a dust removal device; the dust removing device comprises a cyclone dust collector, and the outlet end of the cyclone dust collector is communicated with the backwashing device 300.
Specifically, the dust removing device is a cyclone dust remover, and an outlet of a centrifugal barrel of the cyclone dust remover is connected with the backwashing device 300.
As shown in fig. 8, in an alternative embodiment, the cascade dry separator sorting system further comprises a vibratory distributor 930; a vibrating distributor 930 is arranged at the discharge end of the feeding belt 700, and a control gate 940 is arranged on the vibrating distributor 930 for controlling the feeding amount of the material to be distributed to the sorting bed 100.
Specifically, a control gate 940 is arranged on the vibrating distributor 930, and the control gate 940 rotates relative to the vibrating distributor 930 as required to adjust the opening of the gate, so as to control the distribution thickness and the distribution amount.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (14)
1. A system for sorting a cascade dry separator, comprising: a sorting bed (100), a discharging mechanism and a backwashing device (300);
the sorting bed (100) is used for sorting materials according to density in a layering mode, the discharging mechanism is used for cutting layered materials in the sorting bed (100) according to material layers, the discharged materials after being cut by the discharging mechanism enter the backwashing device (300), and the materials in the backwashing device (300) can enter the sorting bed (100);
the backwashing device (300) further comprises a flap device (200) and a backwashing belt (301), the flap device (200) is provided with a diversion division plate (210), and the diversion division plate (210) is configured to be capable of rotating relative to the flap device (200) so as to change the movement direction of the materials; the material in the flap device (200) is configured to be optionally capable of entering the backwashing belt (301);
the sorting bed (100) comprises an air distribution bottom plate (110), and a string sieve plate (500) is arranged on the air distribution bottom plate (110);
the string screen plate (500) comprises a plurality of elastic strips (510), fixing strips (520) and fastening bolts (530);
the fixing strips (520) are arranged on the two sides of the elastic strip (510) and are fixed on the wind distribution bottom plate (110) through the fixing strips (520);
the fastening bolt (530) is connected with the fixing strip (520), and the fastening bolt (530) is configured to drive the fixing strip (520) to move so as to adjust the tensioning degree of the elastic strip (510).
2. The system of claim 1, wherein the backwash device (300) further comprises a transfer belt having one end in communication with the discharge mechanism and another end in communication with the flap device (200), the transfer belt configured to convey the material discharged by the discharge mechanism to the flap device (200).
3. The ladder flow dry separator sorting system according to claim 2,
the flap device (200) comprises a diversion box body (220) and a flap driving component (230);
the top of the diversion box body (220) is provided with a diversion feed inlet (223), the transfer belt is communicated with the diversion feed inlet (223), the bottom of the diversion box body (220) is provided with a diversion first discharge outlet (221) and a diversion second discharge outlet (222), the diversion sub plate (210) is arranged in the diversion box body (220), the turning plate driving component (230) is in transmission connection with the diversion sub plate (210), the diversion sub plate (210) is driven by the turning plate driving component (230) and rotates in the diversion box body (220) to change a material outflow path in the diversion box body (220), so that materials flow out from the diversion first discharge outlet (221) or the diversion second discharge outlet (222).
4. The separation system of the flow gradient dry separator according to claim 3, wherein the diversion second discharge port (222) is communicated with the backwashing belt (301), and the diversion separation plate (210) is adjusted to enable the materials to flow out of the diversion second discharge port (222) and enter the backwashing belt (301).
5. The ladder flow dry separator sorting system according to claim 1,
the sorting bed (100) further comprises a feeding sliding plate (120), a partition plate (130) and two side plates (140) which are arranged oppositely;
the side plates (140) comprise a left side plate (1401), a middle side plate (1402) and a right side plate (1403), and the middle side plate (1402) is arranged along the vibration direction of the sorting bed (100);
pan feeding slide (120) set up in the entry end of cloth wind bottom plate (110), division board (130) set up in the exit end of cloth wind bottom plate (110), just division board (130) perpendicular to cloth wind bottom plate (110), the material layer overflow in sorting bed (100) discharge from the clean coal bin outlet behind division board (130).
6. The ladder flow dry separator sorting system according to claim 5,
the separation system of the cascade dry separator further comprises an adjusting mechanism (400);
the side plate (140) is provided with a hoisting fixing piece (141), the adjusting mechanism (400) is connected with the hoisting fixing piece (141), and the adjusting mechanism (400) is configured to be capable of driving the sorting bed (100) to move so as to adjust the inclination angle of the air distribution bottom plate (110).
7. The ladder flow dry separator sorting system according to claim 6,
the adjusting mechanism (400) comprises a hoisting driving motor (410) and a transmission screw rod (420);
one end of the transmission screw rod (420) is connected with the driving end of the hoisting driving motor (410), and the other end of the transmission screw rod (420) is connected with the hoisting fixing piece (141).
8. The ladder flow dry separator sorting system according to claim 1,
the separation system of the cascade dry separator also comprises an air distribution device (600);
the air distribution device (600) also comprises a main air pipe (610) and an air chamber air pipe (620);
the air chamber air pipes (620) are communicated with the main air pipe (610), a fan is arranged at the end part of the main air pipe (610), and the inner diameter of the main air pipe (610) is gradually reduced along the direction far away from the fan, so that the air volume entering the air chamber air pipes (620) is the same.
9. The ladder flow dry separator sorting system according to claim 1,
the separation system of the cascade dry separator also comprises a feeding belt (700);
the feeding belt (700) is used for conveying materials to the sorting bed (100) along a first direction, a material recovery trolley (710) is arranged on one side, away from the sorting bed (100), of the feeding belt (700), the feeding belt (700) can convey the materials to the material recovery trolley (710) along a second direction, and the first direction is opposite to the second direction.
10. The system of claim 9, wherein the discharge port of the backwash belt (301) is connected to the feed port of the feed belt (700) for conveying the material in the backwash belt (301) to the separation bed (100).
11. The ladder flow dry separator sorting system according to claim 1,
sorting bed (100) are including two at least row material mechanisms, it arranges material wheel (900) to be provided with in the row material mechanism, arrange material wheel (900) and be connected with rotation driving motor (920) transmission through cardan shaft (910), rotation driving motor (920) are installed on peripheral support frame.
12. The ladder flow dry separator sorting system according to claim 1 further comprising a dust removal system forming a sealed internal circulation airflow with an air supply system.
13. The ladder flow dry separator sorting system according to claim 12,
the dust removal system comprises a dust removal cover (800), a dust removal air pipe and a cyclone dust collector;
dust excluding hood (800) with sorting bed (100) flexible coupling, turning plate device (200) are through water conservancy diversion dust removal mouth and dust pelletizing system intercommunication, cyclone outlet end with backwash device (300) intercommunication.
14. The ladder flow dry separator sorting system according to claim 9,
the separation system of the cascade dry separator also comprises a vibrating distributor (930);
the vibrating distributor (930) is arranged at the discharge end of the feeding belt (700), and the vibrating distributor (930) is provided with a control gate (940) for controlling the feeding amount of the material distributed to the sorting bed (100).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210082829.5A CN114100834B (en) | 2022-01-25 | 2022-01-25 | Sorting system of ladder flow dry separator |
| PCT/CN2022/117417 WO2023142489A1 (en) | 2022-01-25 | 2022-09-07 | Sorting system of cascade dry separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210082829.5A CN114100834B (en) | 2022-01-25 | 2022-01-25 | Sorting system of ladder flow dry separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114100834A CN114100834A (en) | 2022-03-01 |
| CN114100834B true CN114100834B (en) | 2022-05-13 |
Family
ID=80360845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210082829.5A Active CN114100834B (en) | 2022-01-25 | 2022-01-25 | Sorting system of ladder flow dry separator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114100834B (en) |
| WO (1) | WO2023142489A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100834B (en) * | 2022-01-25 | 2022-05-13 | 天津美腾科技股份有限公司 | Sorting system of ladder flow dry separator |
| CN116967134A (en) * | 2023-09-22 | 2023-10-31 | 天津美腾科技股份有限公司 | Screening device |
| CN117644038A (en) * | 2024-01-25 | 2024-03-05 | 天津美腾科技股份有限公司 | Through-flow sorting device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2230626Y (en) * | 1995-07-19 | 1996-07-10 | 新乡市太行振动机械总公司 | Self-vibration screen |
| CN202238658U (en) * | 2011-10-19 | 2012-05-30 | 鞍山重型矿山机器股份有限公司 | Linear screen plate capable of being tensioned |
| CN103406267A (en) * | 2013-05-16 | 2013-11-27 | 唐山开远选煤科技有限公司 | Slack coal jigging dry separator and complete equipment thereof |
| CN108296007A (en) * | 2018-02-07 | 2018-07-20 | 唐山开远科技有限公司 | Fluidized bed drying selects machine and matched complete set of equipments |
| CN207805947U (en) * | 2017-11-28 | 2018-09-04 | 河南省平原矿山机械有限公司 | A kind of self-cleaning bar screen plate |
| CN208437021U (en) * | 2018-02-06 | 2019-01-29 | 唐山开远选煤科技有限公司 | Mostly compound dry-dressing machine |
| CN111014028A (en) * | 2019-12-23 | 2020-04-17 | 安徽方园塑胶有限责任公司 | High-resilience anti-blocking-hole polyurethane bar screen mesh and preparation method thereof |
| CN210965493U (en) * | 2019-10-30 | 2020-07-10 | 王雪松 | Coal separator |
| CN112090746A (en) * | 2020-11-09 | 2020-12-18 | 天津美腾科技股份有限公司 | Multi-product material sorting method and cascade dry separator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB530787A (en) * | 1939-06-01 | 1940-12-20 | Arthur Algernon Hirst | Improvements in apparatus for gravity separation of granular material |
| CN2326353Y (en) * | 1997-12-30 | 1999-06-30 | 河南安阳煤矿电机厂 | Music-wire type sieve |
| CN201239652Y (en) * | 2008-05-20 | 2009-05-20 | 唐山开远选煤科技有限公司 | Coal separating machine by jigging dry method |
| CN101705131B (en) * | 2009-11-19 | 2012-09-05 | 李功民 | Raw coal upgrading device and method with combination of drying and dry separation |
| CN110614157A (en) * | 2019-10-30 | 2019-12-27 | 王雪松 | Coal separation technology and equipment using true heavy liquid without coal slime |
| CN214792454U (en) * | 2021-05-30 | 2021-11-19 | 唐山神州机械集团有限公司 | Full-grain cascade combined sorting system |
| CN114100834B (en) * | 2022-01-25 | 2022-05-13 | 天津美腾科技股份有限公司 | Sorting system of ladder flow dry separator |
-
2022
- 2022-01-25 CN CN202210082829.5A patent/CN114100834B/en active Active
- 2022-09-07 WO PCT/CN2022/117417 patent/WO2023142489A1/en unknown
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2230626Y (en) * | 1995-07-19 | 1996-07-10 | 新乡市太行振动机械总公司 | Self-vibration screen |
| CN202238658U (en) * | 2011-10-19 | 2012-05-30 | 鞍山重型矿山机器股份有限公司 | Linear screen plate capable of being tensioned |
| CN103406267A (en) * | 2013-05-16 | 2013-11-27 | 唐山开远选煤科技有限公司 | Slack coal jigging dry separator and complete equipment thereof |
| CN207805947U (en) * | 2017-11-28 | 2018-09-04 | 河南省平原矿山机械有限公司 | A kind of self-cleaning bar screen plate |
| CN208437021U (en) * | 2018-02-06 | 2019-01-29 | 唐山开远选煤科技有限公司 | Mostly compound dry-dressing machine |
| CN108296007A (en) * | 2018-02-07 | 2018-07-20 | 唐山开远科技有限公司 | Fluidized bed drying selects machine and matched complete set of equipments |
| CN210965493U (en) * | 2019-10-30 | 2020-07-10 | 王雪松 | Coal separator |
| CN111014028A (en) * | 2019-12-23 | 2020-04-17 | 安徽方园塑胶有限责任公司 | High-resilience anti-blocking-hole polyurethane bar screen mesh and preparation method thereof |
| CN112090746A (en) * | 2020-11-09 | 2020-12-18 | 天津美腾科技股份有限公司 | Multi-product material sorting method and cascade dry separator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114100834A (en) | 2022-03-01 |
| WO2023142489A1 (en) | 2023-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114100834B (en) | Sorting system of ladder flow dry separator | |
| AU2003271008B2 (en) | Dry separating table, a separator and equipment for the compound dry separation with this table | |
| SU1480753A3 (en) | Apparatus for separating heavy components ,particularly, stones from grain and other loose materials | |
| PL156517B1 (en) | Device for dry cleaning of food granular products and fodder granular products,as grain,for example | |
| CN208583594U (en) | Small miscellaneous sieve puts down back sieve in upper mesh belt | |
| CN107225090B (en) | Rotary combined multi-layer screen | |
| CN102728552A (en) | Novel gravity separator | |
| CN106391474A (en) | Efficient flour cleaning machine | |
| RU2034670C1 (en) | Apparatus for dry separation of heavy materials off mixture of granulated materials with different density values | |
| US4234415A (en) | Apparatus for separating solids | |
| CN114273070A (en) | Intelligent control shaking table system for mineral separation | |
| CN207684345U (en) | A kind of oscillating feeder of even feeding | |
| US2074977A (en) | Launder method for separating and sorting materials | |
| US2928545A (en) | Gravity separator | |
| CN106269513A (en) | Grain pneumatic separation vibrating screen | |
| CN209901694U (en) | Vibration classifying screen | |
| CN111617879A (en) | Intelligent pollen-removing system and control method | |
| CN112452703A (en) | Method for adjusting fineness modulus of sand by using rotary screen system | |
| CN1005314B (en) | Process and device for dressing coal with dry fluidized bed | |
| CN216189402U (en) | Screening and grading device for rice processing | |
| CN205146695U (en) | Grain selection by winnowing shale shaker | |
| CN212215881U (en) | Online adjustable depth grading device | |
| CN2768895Y (en) | Wet isoconcentrate fine granule sieving machine | |
| CN209647005U (en) | A kind of conveying purifying plant in quartz sand production process | |
| US4028231A (en) | Vacuum type coal separator |
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 |