CN108760418B - Multistage material circulation system - Google Patents
Multistage material circulation system Download PDFInfo
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- CN108760418B CN108760418B CN201810307876.9A CN201810307876A CN108760418B CN 108760418 B CN108760418 B CN 108760418B CN 201810307876 A CN201810307876 A CN 201810307876A CN 108760418 B CN108760418 B CN 108760418B
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- rocker arm
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- sample
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
Abstract
The invention discloses a multistage material circulating system, and belongs to the technical field of coal sample preparation. The multi-stage material circulating system realizes multi-stage transportation by performing multi-stage circulation on the coal sample material, improves the qualified rate and the capacity of the coal sample product, and solves the problems of low qualified rate and low capacity of single-stage transported products in the prior art.
Description
Technical Field
The invention belongs to the technical field of coal sample preparation, and particularly relates to a multistage material circulating system in a coal sample preparation process of a thermal power plant.
Background
The main raw material of thermal power generation is coal, and how to accurately and precisely test the quality of the coal and optimize and perfect the utilization mode of coal resources is a problem which is considered primarily by a thermal power plant.
In coal trading and future digital intelligent management of coal, the quality of coal is a key issue. In the past, in order to detect the quality of each batch of coal in real time through an instrument, workers need to make coal samples completely by hand. From coal blocks with uneven particle sizes to coal dust which can be directly used for instrument detection, a plurality of procedures are needed to complete the operation, and the repeated operation every day is particularly hard physical labor for workers. In the whole sample preparation process, workers need to work in a high-dust and high-noise environment for a long time, the working efficiency is low, the environment is severe, and the health of the workers is seriously affected. In addition, due to the influence of human factors, the accuracy of the sample is difficult to ensure. In order to solve the problems, automatic sampling machines and online sampling systems appear in the market, and the sampling machines and the online sampling systems only complete the preparation of coal samples with the size of 3mm from the collection, and then the coal samples with the size of 0.2mm are manually prepared and can be used for instrument detection.
In the prior art, when a coal sample preparation process is carried out, only manual transfer and manual sampling are carried out on a sample, and a set of complete and controllable device for managing the sample is not provided. In addition, in the prior art, only a single treatment can be carried out on a sample, so that the sample qualification rate is low and the efficiency is low. The prior art has the defects of low qualification rate, low productivity and the like. The defects are caused by the imperfect device for processing the sample (the sample can only be transferred in a single stage), and the technical limitation.
Disclosure of Invention
The invention aims to provide a multi-stage material circulating system to overcome the defects that a coal sample product is low in qualification rate, low in productivity and the like due to the fact that the coal sample can only be transferred in a single stage in the prior art.
In order to solve the above problems, the present invention provides a multi-stage material circulation system, which sequentially comprises: the device comprises a fixed mass division mechanism, a first lifting device, a sample storing and checking crushing mechanism, a second lifting device, a negative pressure drying mechanism, a third lifting device and an analysis sample preparation mechanism;
decide quality division mechanism, including intercommunication and from the top down set gradually each other: the coal sample of 6mm entering the feeding conveying line through the feeding port enters the first rocker arm splitter for splitting, part of the 6mm coal flow after splitting is weighed through the weighing conveying line, the 6mm coal flow with the weight reaching the standard enters the second rocker arm splitter for splitting, and the part of the 6mm coal flow after splitting enters the first lifting device through the first coal flow channel;
deposit broken mechanism of looking into a sample, including intercommunication and from the top down set gradually: the coal sampling device comprises a first rectifying conveying line, a crusher, a third rocker arm splitter, a second rectifying conveying line, a fourth rocker arm splitter and a second coal flow channel, wherein a 6mm coal sample is sequentially rectified by the first rectifying conveying line, the 6mm coal sample after primary rectification is crushed by the crusher to obtain a 3mm coal sample, the 3mm coal sample after crushing is split by the third rocker arm splitter, a part of 3mm coal after splitting is rectified by the second rectifying conveying line, the 3mm coal sample after secondary rectification enters the fourth rocker arm splitter for splitting, and a part of 3mm coal sample after splitting enters a second lifting device through the second coal flow channel;
negative pressure stoving mechanism, including intercommunication each other and from the top down set gradually: the coal flow of 3mm passes through the fourth coal flow channel and is sent into the drying box for negative pressure drying, the dried coal flow of 3mm enters the third rectifying conveying line for rectification through the discharge hopper, and the rectified coal flow of 3mm enters the third lifting device through the fifth coal flow channel;
the analysis sample preparation mechanism comprises a plurality of parts which are communicated with each other and are sequentially arranged from top to bottom: the coal sampling device comprises a fourth rectifying conveying line, a first electric riffle, a buffer conveying belt, a second electric riffle, a grinding machine and a second sampling port, wherein a 3mm coal sample is rectified by the fourth rectifying conveying line, the rectified 3mm coal sample enters the first electric riffle 36 to be reduced, the 3mm coal sample after the first reduction is reduced again by the second electric riffle 38, the 3mm coal sample after the second reduction is ground by the grinding machine 39 to obtain a 0.2mm coal sample, and the ground 0.2mm coal sample enters the second sampling port;
an analysis sample preparation mechanism is provided with a third rectification conveying line, a first electric riffle which is communicated with the third rectification conveying line, a second electric riffle which is communicated with the electric riffle, two grinding machines which are communicated with the second electric riffle and two sampling ports which are respectively communicated with the two grinding machines, wherein a 3mm coal sample is rectified by the third rectification conveying line, the rectified 3mm coal sample enters the first electric riffle to be divided, the 3mm coal sample after the first division is divided by the second electric riffle, the 3mm coal sample after the second division is ground by the two grinding machines, and the ground 0.2mm coal sample enters the two discharge ports.
The coal sampler is provided with vertical and symmetrical guide rails which move up and down along the guide rails so as to convey the coal sample from the bottom to the top.
Furthermore, the first rocker arm splitter, the second rocker arm splitter, the third rocker arm splitter and the fourth rocker arm splitter have the same structure;
wherein the first rocker arm splitter comprises:
the device comprises a rocker arm splitter body, a rocker arm splitter and a control device, wherein a cavity is formed in the rocker arm splitter body, a splitting feeding opening is formed in the top of the rocker arm splitter body, and a left discharging opening and a right discharging opening are formed in the bottom of the rocker arm splitter body;
the rocker arm splitter body is internally provided with a rotating mechanism which is arranged between the left discharge port and the right discharge port;
the inner part of the rocker arm splitter body is also provided with a vertically arranged splitting plate, the lower end of the splitting plate is fixedly arranged on the rotating mechanism, and the upper end of the splitting plate extends to the bottom end of the splitting material inlet;
the driving mechanism drives the rotating mechanism to rotate in a reciprocating mode, and then the division plate is driven to swing left and right, so that a first division channel from the division feeding port to the left discharging port or a second division channel from the division feeding port to the right discharging port is formed in the cavity.
Further, the rotating mechanism includes:
the bearing seat is fixedly arranged in the cavity and is arranged between the left discharge port and the right discharge port;
the rotating shaft is embedded into the bearing seat.
Further, the drive mechanism includes:
a connecting plate, one end of which is sleeved on the rotating shaft;
the cylinder of setting in the cavity inside, its top is fixed to be set up at the top of cavity through first connecting axle, and its bottom is articulated through the other end of second connecting axle and connecting plate.
Further, still include: one end of the buffer is fixed in the cavity; the other end is connected with the connecting plate and used for reducing the vibration of the rocker arm divider during working.
Further, still include:
the left discharge channel is arranged below the left discharge opening;
and the right discharging channel is arranged below the right discharging port.
The shape of the top of the left discharge channel is matched with the shape of the left discharge opening;
the shape of the top of the right discharging channel is matched with the shape of the right discharging port.
Further, the first lifting device comprises: a frame;
the material loading device is movably arranged on the lifting device and used for loading materials;
the top of the frame is provided with a discharging device for discharging the materials when the loading device loaded with the materials reaches the top of the frame;
the left side and the right side of the frame are vertically and symmetrically provided with two guide rails, a lifting device is arranged between the two guide rails, and the lifting device can move up and down along the guide rails so as to convey the material loading device to the top of the frame from the bottom of the frame.
Further, the discharge device comprises:
the fixed plate is fixedly arranged on the frame, and is provided with a horizontal driving assembly, a vertical driving assembly and a sliding platform seat which moves left and right along the horizontal direction under the action of the horizontal driving assembly and moves up and down along the vertical direction under the action of the vertical driving assembly;
when the loading device reaches the top of the frame, the slide platform base moves upwards under the driving of the vertical driving assembly and then moves rightwards under the driving of the horizontal driving assembly to discharge materials.
Further, the lifting device comprises:
the driving device drives the lifting power chain to rotate;
the lifting power chain is driven by the driving device to drive the lifting power chain to rotate;
the driving wheel and the driven wheel are matched with the lifting power chain to form a closed loop and are respectively arranged at the upper end and the lower end of the lifting power chain;
the lifting power chain rotates to drive the lifting seat to move up and down along the vertical direction;
the lifting platform is arranged on the lifting seat, and lifting guide wheels in sliding fit with the guide rails are arranged on two sides of the lifting platform.
Further, the loading device includes:
a hopper;
the hopper bottom door is arranged at the bottom of the hopper and can be transversely pulled, and the hopper bottom door is of a rectangular structure;
four positioning guide sleeves are arranged at four corners of the hopper bottom door, four guide pillars are arranged at four corners of the lifting platform, and the positioning guide sleeves are sleeved on the four guide pillars.
The technical scheme of the invention has the following beneficial technical effects: through carrying out multistage circulation to the coal sample material, realized multistage transportation, improved coal sample product qualification rate and productivity, solved the problem that the product qualification rate is low and the productivity is low is transported to the single-stage that prior art exists.
Drawings
FIG. 1 is a schematic structural view of a multistage material circulation system of the present invention;
FIG. 2 is one of the schematic structural views of the first rocker arm splitter 9 of the present invention;
FIG. 3 is a second schematic view of the first rocker arm splitter of the present invention;
FIG. 4 is a schematic structural view of the mass scaling mechanism 1 of the present invention;
FIG. 5 is a schematic structural view of the sample preparation crushing mechanism 3 of the present invention;
fig. 6 is a schematic structural view of the negative pressure drying mechanism 5 of the present invention;
FIG. 7 is a schematic view of the structure of an analysis sample preparation mechanism 7 of the present invention;
FIG. 8 is one of the structural views of the first lifting device of the present invention;
FIG. 9 is a cross-sectional view of a first lift of the present invention;
FIG. 10 is a second embodiment of the first lifting device of the present invention;
FIG. 11 is a third structural view of the first lifting device of the present invention;
FIG. 12 is a block diagram of a first lift of the present invention with the frame removed;
FIG. 13 is a block diagram of the loading device of the present invention;
FIG. 14 is a schematic view of the present invention lift platform in cooperation with a guide rail;
FIG. 15 is a structural view of the discharging device of the present invention;
FIG. 16 is an enlarged partial view of FIG. 12;
fig. 17 is a structural view of the discharging device of the present invention before discharging.
Reference numerals:
1: a mass-determining scaling mechanism; 2: a first lifting device; 3: a sample storing and checking crushing mechanism; 4: a second lifting device; 5: a negative pressure drying mechanism; 6: a third lifting device; 7: an analysis sample preparation mechanism; 8: a feeding conveying line; 8-1: a feeding port; 9: a first rocker arm splitter; 10: a weighing conveying line; 11: a sample coal discarding passage; 12: a second rocker arm splitter; 13: storing and checking a sample bin; 14: a first coal flow passage; 15: a sample abandoning conveying line; 17: a first manipulator; 18: a first rectified flow line 18; 19: a crusher; 20: a third rocker arm splitter; 21: a second rectifying conveyor line; 22: a third coal flow path; 23: a fourth rocker arm splitter; 24: a second coal flow channel 25 is a waste conveying line; 27: a first sampling port; 28: a second manipulator; 29: a fourth coal flow path; 30: a drying box; 31: a discharge hopper; 32: a third rectifying conveyor line; 33: a fifth coal flow path; 34: a third manipulator; 35: a fourth rectifying conveyor line; 36: a first electric splitter; 37: caching the conveying belt; 38: a second electric splitter; 39: a grinder; 40: a second sampling port;
9-1: dividing a material inlet; 9-2: a left discharge outlet; 9-3: a right discharge port; 9-4: a rotating mechanism; 9-5 division plates; 9-6: a drive mechanism; 9-7: a bearing seat; 9-8: a rotating shaft; 9-9: a connecting plate; 9-10: a cylinder; 9-11: a buffer; 9-13: a left discharge channel; 9-14: a right discharge channel; 9-15: a first connecting shaft; 9-16: a second connecting shaft;
2-1, a discharging device; 2-2, a guide rail; 2-3, fixing a plate; 2-4: a horizontal drive assembly; 2-5: a vertical drive assembly; 2-6: a slide pedestal; 2-7: a drive device; 2-8: lifting the power chain; 2-9: a driving wheel; 2-10: a driven wheel; 2-11: a lifting seat; 2-12: a lifting platform; 2-13: a lifting guide wheel; 2-14: positioning pins; 2-15: a hopper; 2-16: a hopper bottom door; 2-17: and (5) positioning the guide sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
Referring to fig. 1, the multi-stage material circulation system sequentially includes: the device comprises a fixed mass division mechanism 1, a first lifting device 2, a sample storing and checking crushing mechanism 3, a second lifting device 4, a negative pressure drying mechanism 5, a third lifting device 6 and an analysis sample preparation mechanism 7.
Referring to fig. 4, the mass scaling mechanism 1 includes, in order from top to bottom: the coal flow weighing device comprises a feeding conveying line 8 with a feeding opening 8-1, a first rocker arm splitter 9 with a left discharging opening and a right discharging opening, a weighing conveying line 10 communicated with the right discharging opening of the first rocker arm splitter 9, a second rocker arm splitter 12 with a left discharging opening and a right discharging opening, and a first coal flow channel 14 with the right discharging opening of the second rocker arm splitter 12. Specifically, a 6mm coal sample entering a feeding conveying line 8 through a feeding port 8-1 enters a first rocker arm splitter 9 for splitting and is divided into two coal flows, wherein one part of the 6mm coal flow enters a second rocker arm splitter 12 for splitting again after being weighed by a weighing conveying line 10, and is also divided into two coal flows, wherein one part of the 6mm coal flow enters a hopper 2-15 of a first lifting device 2 through a first coal flow channel 14.
Referring to fig. 4, the mass scaling mechanism 1 further includes: a sample abandoning coal flow channel 11 communicated with the left discharge port of the first rocker arm splitter 9 and a sample abandoning conveying line 15 communicated with the sample abandoning coal flow channel 11. Specifically, another part of the 6mm coal flow separated from the first rocker arm splitter 9 passes through the discard conveying line 15 and enters the discard sample recovery box, and the 6mm coal sample in the discard sample recovery box can be subjected to material circulation again.
Referring to fig. 4, the mass scaling mechanism 1 further includes: and the sample storage bin 13 is communicated with the left discharge port of the second rocker arm splitter 12. Specifically, another part of the 6mm coal sample separated from the second rocker arm splitter 12 enters the checking sample bin 13 for temporary storage, and the 6mm coal sample in the checking sample bin 13 can be subjected to material circulation again.
Referring to fig. 5, the sample storing and checking crushing mechanism 3 includes: the coal flow-dividing device comprises a first mechanical arm 17, a first rectifying conveying line 18, a crusher 19, a third rocker arm splitter 20 with a left discharge port and a right discharge port, a second rectifying conveying line 21 communicated with the right discharge port 20 of the third rocker arm splitter 20, a fourth rocker arm splitter 23 with a left discharge port and a right discharge port, and a second coal flow channel 24 communicated with the right discharge port of the fourth rocker arm splitter 23. Specifically, the first manipulator 17 takes out a 6mm coal sample and sends the 6mm coal sample into the first rectifying conveying line 18 for rectification, the 6mm coal sample after the first rectification is crushed by the crusher 19 to obtain a 3mm coal sample, the 3mm coal flow after the crushing is divided into two parts by the third rocker arm splitter 20, wherein one part of the 3mm coal flows through the second rectifying conveying line 21 for rectification, the 3mm coal sample after the second rectification enters the fourth rocker arm splitter 23 for splitting into two parts, and one part of the two parts enters the hoppers 2-15 of the second lifting device 4 through the second coal flow channel 24.
Referring to fig. 5, the sample storage and examination crushing mechanism 3 further includes: a third coal flow channel 22 communicated with the left discharge port of the third rocker arm splitter 20 and a first sampling port 27 communicated with the third coal flow channel. Specifically, another portion of 3mm coal branched off from the third rocker arm splitter 20 flows through the third coal flow passage to the first sampling port 27.
Referring to fig. 5, the sample storing and checking crushing mechanism 3 further includes: and a reject line 25 of the fourth rocker arm splitter 23. Specifically, another 3mm portion of the coal from the fourth rocker arm splitter 23 flows through the reject flow line 25 into the reject conveyance box.
Referring to fig. 6, the negative pressure drying mechanism 5 includes the following components that are communicated with each other and are arranged from top to bottom in sequence: a second manipulator 28, a fourth coal flow channel 29, a drying box 30, a discharge hopper 31, a third rectification conveying line 32 and a fifth coal flow channel 33. Specifically, the second manipulator 28 takes out 3mm coal, the coal flows through the fourth coal flow channel 29 and is sent into the drying box 30 for negative pressure drying, the dried 3mm coal flows through the discharge hopper 31 and enters the third rectification conveying line 32 for rectification, and the rectified 3mm coal flows through the fifth coal flow channel 33 and enters the hopper of the third lifting device 6.
Referring to fig. 7, the analysis sample preparation mechanism 7 includes, in order from top to bottom, interconnected: a third manipulator 34, a fourth rectifying conveyor line 35, a first electric riffle 36, a buffer conveyor belt 37, a second electric riffle 38, a grinder 39 and a second sampling port 40. Specifically, the third manipulator 34 takes out a 3mm coal sample, rectifies the coal sample by the fourth rectifying conveyor line, reduces the rectified 3mm coal sample in the first electric riffle 36, reduces the rectified 3mm coal sample in the second electric riffle 38, grinds the 3mm coal sample in the second electric riffle 39 to obtain a 0.2mm coal sample, and then, grinds the 0.2mm coal sample in the second sampling port 40.
The first lifting device, the second lifting device and the third lifting device are provided with two guide rails which are vertically and symmetrically arranged, and the two guide rails move up and down along the guide rails so as to convey the coal sample to the top from the bottom.
In the present invention, the first rocker arm splitter 9, the second rocker arm splitter 12, the third rocker arm splitter 20, and the fourth rocker arm splitter 23 all have the same structure.
Referring to fig. 2 and 3, the first rocker arm splitter 9 includes:
the device comprises a rocker arm splitter body, a rocker arm splitter and a control device, wherein a cavity is formed in the rocker arm splitter body, a splitting material inlet 9-1 is formed in the top of the rocker arm splitter body, and a left material outlet 9-2 and a right material outlet 9-3 are formed in the bottom of the rocker arm splitter body;
the rocker arm splitter body is internally provided with a rotating mechanism 9-4, and the rotating mechanism 9-4 is arranged between the left discharge port 9-2 and the right discharge port 9-3. In particular, with reference to fig. 2, the rotation mechanism 9-4 comprises: bearing seats 9-7 and rotating shafts 9-8. The bearing seat 9-7 is fixedly arranged between the left discharge port 9-2 and the right discharge port 9-3 and is positioned in the cavity, and the rotating shaft 9-8 is embedded in the bearing seat 9-7.
The inner part of the rocker arm splitter body is also provided with a vertically arranged splitting plate 9-5, the lower end of the splitting plate 9-5 is fixedly arranged on the rotating mechanism 9-4, and the upper end of the splitting plate 9-5 extends to the bottom end of the splitting material inlet 9-1;
the driving mechanism 9-6 drives the rotating mechanism 9-4 to rotate in a reciprocating manner, and further drives the division plate 9-5 to swing left and right, so that a first division channel from the division material inlet 9-1 to the left discharge opening 9-2 or a second division channel from the division material inlet 9-1 to the right discharge opening 9-3 is formed in the cavity.
Specifically, referring to fig. 2, the driving mechanism includes: a connecting plate 9-9 and a cylinder 9-10. One end of the connecting plate is sleeved on the rotating shaft 9-8; and the air cylinder 9-10 is arranged in the cavity, the top end of the air cylinder is fixedly arranged at the top of the cavity through a first connecting shaft 9-15, and the bottom end of the air cylinder is hinged with the other end of the connecting plate 9-9 through a second connecting shaft 9-16.
Referring to fig. 2 and 3, the first rocker arm splitter 9 further includes: a buffer. One end of the buffer 9-11 is fixed inside the cavity; the other end is connected with the connecting plate 9-9 and is used for reducing the vibration of the first rocker arm splitter during working.
Referring to fig. 2, the first swing arm splitter 9 further includes:
the left discharge channel 9-13 is arranged below the left discharge opening 9-2;
and the right discharge channel 9-14 is arranged below the right discharge port 9-3.
The shape of the top of the left discharge channel 9-13 matches the shape of the left discharge opening 9-2;
the shape of the top of the right discharge channel 9-14 matches the shape of the right discharge opening 9-3.
In the present invention, the first lifting device 2, the second lifting device 4 and the third lifting device 6 have the same mechanism.
Referring to fig. 8 to 17, the first lifting device 2 includes:
the method comprises the following steps: a frame, the top of which is provided with a discharge device 2-1, the discharge device 2-1 being used for discharging the material when the loading device loaded with the material reaches the top of the frame. The left side and the right side of the frame are vertically and symmetrically provided with two guide rails 2-2, a lifting device is arranged between the two guide rails 2-2, and the lifting device can move up and down along the guide rails 2-2 so as to convey the loading device to the top of the frame from the bottom of the frame; and the material loading device is movably arranged on the lifting device and is used for loading materials.
In the embodiment, the length of the guide rail 2-2 can be selected according to the lifting height, so that the material lifting requirements of different heights can be met.
In this embodiment, the discharging device 2-1 is capable of discharging the material when the loading device loaded with the material reaches the top of the frame. Specifically, referring to fig. 15 and 17, the discharging device includes: the fixed plate 2-3 is fixedly arranged on the frame, the horizontal driving component 2-4 and the vertical driving component 2-5 are arranged on the fixed plate 2-3, and the sliding table seat 2-6 moves left and right along the horizontal direction under the action of the horizontal driving component 2-4 and moves up and down along the vertical direction under the action of the vertical driving component 2-5. In a preferred embodiment as shown in fig. 8, the horizontal driving unit 2-4 is a slide cylinder and the vertical driving unit 2-5 is a cylinder.
In this embodiment, when the loader reaches the top of the frame, the slide block base 2-6 is moved upward by the vertical drive assembly 2-5 and then moved rightward by the horizontal drive assembly 2-4 to discharge the material.
In this embodiment, referring to fig. 8-17, the lifting device can be moved up and down along the rails 2-2 to transport the carrier from the bottom of the frame to the top of the frame. Specifically, referring to fig. 8-13, the lifting device includes: the driving device 2-7 drives the lifting power chain to rotate 2-8; the lifting power chain 2-8 is driven by the driving device 2-7 to drive the lifting power chain 2-8 to rotate; a driving wheel 2-9 and a driven wheel 2-10 which are matched with the lifting power chain 2-8 to form a closed loop and are respectively arranged at the upper end and the lower end of the lifting power chain 2-8; the lifting power chain 2-8 rotates to drive the lifting seat 2-11 to move up and down along the vertical direction; lifting platforms 2-12 are arranged on the lifting seats 2-11, and referring to fig. 7, lifting guide wheels 2-13 which are in sliding fit with the guide rails 2-2 are arranged on two sides of the lifting platforms 2-12. In a preferred embodiment, the drive means 2-7 are selected as motors. Of course, in the embodiment of the present application, the lifting platforms 2-12 are disposed on the lifting bases 2-11 through the positioning pins 2-14, so that the lifting platforms 2-12 can be detachably mounted on the lifting bases 2-11. Of course, in the embodiment of the present application, the detachable connection between the lifting platform 2-12 and the lifting base 2-11 is not limited to a pin connection, but may also include other detachable connection methods, such as a threaded connection, and the present application is not limited thereto.
In this embodiment, referring to fig. 14, the loading device is movably disposed on the lifting device for loading the material. Specifically, referring to fig. 14, the loading device includes: 2-15 parts of a hopper; a hopper bottom door 2-16 arranged at the bottom of the hopper 2-15 and capable of being drawn in the transverse direction. In a preferred embodiment, the hopper bottom door 2-16 is rectangular in structure, four positioning guide sleeves 2-17 are arranged at four corners of the hopper bottom door 2-16, and in a preferred embodiment, the positioning guide sleeves 2-17 are through holes. Four guide posts are arranged at four corners of the lifting platform 2-12, and in a preferred embodiment, the guide posts are cylindrical, wherein the positioning guide sleeves 2-17 can be sleeved on the four guide posts, and the hopper 2-15 is fixed by the four positioning guide sleeves 2-17 on the hopper bottom door 2-16 and the guide posts on the lifting base 2-11.
The invention aims to protect a multi-stage material circulating system, realizes multi-stage transportation by performing multi-stage circulation on coal sample materials, improves the qualified rate and the capacity of coal sample products, and solves the problems of low qualified rate and low capacity of single-stage transported products in the prior art.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. The utility model provides a multistage material circulation system which characterized in that includes in proper order:
the device comprises a fixed mass division mechanism, a first lifting device, a sample storing and checking crushing mechanism, a second lifting device, a negative pressure drying mechanism, a third lifting device and an analysis sample preparation mechanism;
decide quality division mechanism, including intercommunication and from the top down set gradually each other: the coal sample of 6mm entering the feeding conveying line through the feeding port enters the first rocker arm splitter for splitting, part of 6mm coal after splitting flows through the weighing conveying line for weighing, the 6mm coal after reaching the standard in weight enters the second rocker arm splitter for splitting, and the part of 6mm coal after splitting flows through the first coal flow channel and enters the first lifting device;
the sample storing and checking crushing mechanism comprises a plurality of mutually communicated crushing mechanisms which are sequentially arranged from top to bottom: the coal sampling device comprises a first rectifying conveying line, a crusher, a third rocker arm splitter, a second rectifying conveying line, a fourth rocker arm splitter and a second coal flow channel, wherein a 6mm coal sample is sequentially rectified by the first rectifying conveying line, the 6mm coal sample after primary rectification is crushed by the crusher to obtain a 3mm coal sample, the 3mm coal sample after crushing is split by the third rocker arm splitter, a part of the 3mm coal sample after splitting is rectified by the second rectifying conveying line, the 3mm coal sample after secondary rectification enters the fourth rocker arm splitter to be split, and the part of the 3mm coal sample after splitting enters a second lifting device through the second coal flow channel;
negative pressure stoving mechanism, including intercommunication each other and from the top down set gradually: the coal flow of 3mm is sent into the drying box through the fourth coal flow channel to be dried under negative pressure, the dried coal flow of 3mm enters the third rectifying conveying line through the discharge hopper to be rectified, and the rectified coal flow of 3mm enters the third lifting device through the fifth coal flow channel;
the analysis sample preparation mechanism comprises a plurality of parts which are communicated with each other and are sequentially arranged from top to bottom: the coal sampling device comprises a fourth rectifying conveying line, a first electric riffle, a buffer conveying belt, a second electric riffle, a grinding machine and a second sampling port, wherein a 3mm coal sample is rectified by the fourth rectifying conveying line, the rectified 3mm coal sample enters the first electric riffle 36 to be reduced, the 3mm coal sample after the first reduction is reduced again by the second electric riffle 38, the 3mm coal sample after the second reduction is ground by the grinding machine 39 to obtain a 0.2mm coal sample, and the ground 0.2mm coal sample enters the second sampling port;
the analysis sample preparation mechanism is provided with a third rectification conveying line, a first electric riffle communicated with the third rectification conveying line, a second electric riffle communicated with the first electric riffle, two grinding machines communicated with the second electric riffle and two second sampling ports respectively communicated with the two grinding machines, a 3mm coal sample is rectified by the third rectification conveying line, the rectified 3mm coal sample enters the first electric riffle to be subjected to division, the 3mm coal sample subjected to the first division is subjected to division by the second electric riffle, the 3mm coal sample subjected to the second division is ground by the two grinding machines, and the ground 0.2mm coal sample enters the two discharge ports;
the coal sample conveying device comprises a guide rail which is vertically and symmetrically arranged and moves up and down along the guide rail so as to convey the coal sample from the bottom to the top;
the first rocker arm splitter, the second rocker arm splitter, the third rocker arm splitter and the fourth rocker arm splitter have the same structure;
wherein the first rocker arm splitter comprises:
the device comprises a rocker arm splitter body, a rocker arm splitter and a control device, wherein a cavity is formed in the rocker arm splitter body, a splitting feeding opening is formed in the top of the rocker arm splitter body, and a left discharging opening and a right discharging opening are formed in the bottom of the rocker arm splitter body;
a rotating mechanism is arranged in the rocker arm splitter body and is arranged between the left discharge port and the right discharge port;
the rocker arm splitter body is internally provided with a vertically arranged splitting plate, the lower end of the splitting plate is fixedly arranged on the rotating mechanism, and the upper end of the splitting plate extends to the bottom end of the splitting material inlet;
and the driving mechanism drives the rotating mechanism to rotate in a reciprocating manner, so that the division plate is driven to swing left and right, and therefore a first division channel from the division feeding port to the left discharge port or a second division channel from the division feeding port to the right discharge port is formed in the cavity.
2. The multi-stage material circulation system of claim 1, wherein the rotation mechanism comprises:
the bearing seat is fixedly arranged in the cavity and is arranged between the left discharge port and the right discharge port;
and the rotating shaft is embedded into the bearing seat.
3. The multi-stage material circulation system of claim 2, wherein the drive mechanism comprises:
one end of the connecting plate is sleeved on the rotating shaft;
the cylinder is arranged in the cavity, the top end of the cylinder is fixedly arranged at the top of the cavity through a first connecting shaft, and the bottom end of the cylinder is hinged to the other end of the connecting plate through a second connecting shaft.
4. The multi-stage material circulation system of claim 3, further comprising: one end of the buffer is fixed in the cavity; the other end of the rocker arm divider is connected with the connecting plate and used for reducing vibration of the rocker arm divider during working.
5. The multi-stage material circulation system of claim 1, further comprising:
the left discharge channel is arranged below the left discharge opening;
the right discharging channel is arranged below the right discharging port;
the shape of the top of the left discharge channel is matched with the shape of the left discharge opening;
the shape of the top of the right discharging channel is matched with the shape of the right discharging port.
6. The multi-stage material circulation system of claim 1, wherein the first lifting device comprises:
a frame;
the material loading device is movably arranged on the lifting device and used for loading materials;
the top of the frame is provided with a discharging device for discharging the materials when the loading device loaded with the materials reaches the top of the frame;
the left side and the right side of the frame are vertically and symmetrically provided with two guide rails, a lifting device is arranged between the two guide rails, and the lifting device can move up and down along the guide rails so as to convey the material loading device to the top of the frame from the bottom of the frame.
7. The multi-stage material circulation system of claim 6, wherein the discharge device comprises:
the fixed plate is fixedly arranged on the frame, and is provided with a horizontal driving assembly, a vertical driving assembly and a sliding platform seat which moves left and right along the horizontal direction under the action of the horizontal driving assembly and moves up and down along the vertical direction under the action of the vertical driving assembly;
when the loading device reaches the top of the frame, the slide platform base moves upwards under the driving of the vertical driving assembly and then moves rightwards under the driving of the horizontal driving assembly to discharge materials.
8. The multi-stage material circulation system of claim 6, wherein the lifting device comprises:
the driving device drives the lifting power chain to rotate;
the lifting power chain is driven by the driving device to drive the lifting power chain to rotate;
the driving wheel and the driven wheel are matched with the lifting power chain to form a closed loop and are respectively arranged at the upper end and the lower end of the lifting power chain;
the lifting power chain rotates to drive the lifting seat to move up and down along the vertical direction;
the lifting platform is arranged on the lifting seat, and lifting guide wheels in sliding fit with the guide rails are arranged on two sides of the lifting platform.
9. The multi-stage material circulation system of claim 8, wherein the loading device comprises:
a hopper;
the hopper bottom door is arranged at the bottom of the hopper and can be transversely pulled, and the hopper bottom door is of a rectangular structure;
four positioning guide sleeves are arranged at four corners of the hopper bottom door, four guide pillars are arranged at four corners of the lifting platform, and the positioning guide sleeves are sleeved on the four guide pillars.
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| CN201810307876.9A CN108760418B (en) | 2018-04-08 | 2018-04-08 | Multistage material circulation system |
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| CN201810307876.9A CN108760418B (en) | 2018-04-08 | 2018-04-08 | Multistage material circulation system |
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| CN108760418B true CN108760418B (en) | 2020-10-02 |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4179929A (en) * | 1978-07-21 | 1979-12-25 | Redding James A | Truck sampling system |
| KR101314987B1 (en) * | 2012-01-27 | 2013-10-04 | 한국동서발전(주) | Automatic reducing and dividing apparatus for compounding coal samples |
| CN204228481U (en) * | 2013-12-13 | 2015-03-25 | 长沙开元机电设备有限公司 | A kind of coal sample-preparing system |
| CN203965176U (en) * | 2014-04-01 | 2014-11-26 | 华电电力科学研究院 | A kind of automobile enters factory's coal intellectuality spray code spraying apparatus of gathering and processing and pack |
| CN204314121U (en) * | 2014-12-27 | 2015-05-06 | 湖南三德科技股份有限公司 | There is the automatic sample-making system of parallel processing function |
| CN204461841U (en) * | 2014-12-27 | 2015-07-08 | 湖南三德科技股份有限公司 | A kind of automatic sample-making system carrying dust pelletizing system |
| CN106153410A (en) * | 2015-03-31 | 2016-11-23 | 陈迪华 | Automatic contracting division device |
| CN105372105B (en) * | 2015-10-30 | 2018-07-31 | 远光共创智能科技股份有限公司 | Using the sample making apparatus of rotary reduction device |
| CN107402153A (en) * | 2017-09-22 | 2017-11-28 | 长沙开元仪器股份有限公司 | A kind of coal sample reduction division equipment |
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Denomination of invention: A multi-level material circulation system Effective date of registration: 20230629 Granted publication date: 20201002 Pledgee: Agricultural Bank of China Limited Zhongshan Tanzhou sub branch Pledgor: ZHONGSHAN HONWIN AUTOMATION TECHNOLOGY CO.,LTD. Registration number: Y2023980046755 |