CN114371023A - Coal sampling device and operation method thereof - Google Patents
Coal sampling device and operation method thereof Download PDFInfo
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- CN114371023A CN114371023A CN202210037676.2A CN202210037676A CN114371023A CN 114371023 A CN114371023 A CN 114371023A CN 202210037676 A CN202210037676 A CN 202210037676A CN 114371023 A CN114371023 A CN 114371023A
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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
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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Abstract
The invention discloses a coal sampling device and an operation method thereof, wherein the coal sampling device comprises a fixed frame, a stocker is arranged on one side of the fixed frame, and a support is arranged at the top of the fixed frame; the support comprises a support base, one end of the support base is provided with a winch, the other end of the support base is vertically provided with a vertical support, a horizontal support is arranged along the length direction of the support base, the end part, close to the vertical support, of the horizontal support is rotatably connected with a cantilever, and the end part of the other end of the cantilever is fixedly provided with a material receiving disc; the top of the vertical support is provided with a pulley; the winch is provided with a first driving mechanism which is connected with the outer end of the cantilever through a rope and a pulley. The coal sampling device and the use method thereof provided by the invention can be used for conveniently and rapidly sampling single coal, conveniently and accurately identifying the accuracy of blended coal and tracking various indexes of the blended coal and coke in time so as to ensure the quality and normal production of the coke.
Description
Technical Field
The invention belongs to the technical field of coal blending and coking, and particularly relates to a coal sampling device and an operation method thereof.
Background
Coal coking enterprises generally need to check the quality of coal when blending the coal, and the coal in the production flow is sampled and tested. At present, the coal blending is generally carried out by a process of blending first and then pulverizing, wherein each single coal is fed out by a disc feeder through a feed opening of a coal blending groove, is blended according to a specified coal blending ratio by an automatic coal blending system, is respectively crushed by a crusher and then is mixed, and is directly conveyed to a coke oven coal tower by a belt conveyor. During coal quality inspection, single coal is collected to prepare a common analysis test coal sample, and then analysis and test of coal quality indexes are carried out to obtain the quality data of the single coal. In the inspection process, errors generated by sampling operation account for 70% of the whole quality inspection errors, while the sampling mode of single coal mostly adopts a manual sampling mode, and the following defects exist: (1) because the sampling is required when the process equipment runs, and the process equipment is more and the space is narrow, the sampling is separated from the equipment, thereby having the problem of personal safety. (2) Because of manual sampling, the randomness is strong, the coal type situation cannot be accurately reflected, and the sampling representativeness is not high. (3) The labor intensity of sampling personnel is high, the frequency is high, and the efficiency is low. Therefore, a sampling device which is low in processing cost, easy to popularize, movable and capable of sampling in a narrow space is needed to solve the problems.
Disclosure of Invention
Aiming at the technical problems of single coal collection in the background technology, the invention provides the coal sampling device and the use method thereof, which can conveniently and rapidly sample single coal, conveniently and accurately identify the accuracy of blended coal, and track various indexes of the blended coal and coke in time so as to ensure the quality and normal production of the coke.
The technical scheme for solving the technical problem of the invention is as follows:
the invention relates to a coal sampling device, which comprises a fixed frame, wherein a stocker is arranged on one side of the fixed frame, and a support is arranged at the top of the fixed frame; the support comprises a support base, one end of the support base is provided with a winch, the other end of the support base is vertically provided with a vertical support, a horizontal support is arranged along the length direction of the support base, the end part, close to the vertical support, of the horizontal support is rotatably connected with a cantilever, and the end part of the other end of the cantilever is fixedly provided with a material receiving disc; the top of the vertical support is provided with a pulley; the winch is provided with a first driving mechanism which is connected with the outer end of the cantilever through a rope and a pulley.
Further, the first driving mechanism comprises a first motor and a first speed reducer, the output end of the first motor is connected with the input end of the first speed reducer, and the output end of the first speed reducer is connected with the input end of the winch.
Furthermore, a connecting arm is vertically arranged at the outer end of the cantilever, and the end of the rope is fixedly connected with the top of the connecting arm.
Furthermore, the horizontal support comprises two connecting rods which are arranged in parallel along the length direction of the upper surface of the support base at intervals; the cantilever comprises two cantilever rods arranged in parallel at intervals, one ends of the two cantilever rods at the same side are fixedly connected with the material receiving disc, and the other ends of the two cantilever rods are respectively hinged with the end parts of the two connecting rods.
Furthermore, a second driving mechanism is arranged at the upper part of the fixed frame, and the output end of the second driving mechanism is movably connected with the bracket base and can drive the bracket base to rotate or move back and forth; the fixing frame is further provided with a supporting plate, a roller path is arranged on the supporting plate, and a plurality of supporting wheels are arranged at the bottom of the support base and are arranged in the roller path of the supporting plate.
When the second driving mechanism is used for driving the support base to rotate, the second driving mechanism comprises a second motor, a second speed reducer and a rotating mechanism; the second motor is fixedly arranged on the fixing frame, the output end of the second motor is connected with the input end of the second speed reducer, the output end of the second speed reducer is connected with the input end of the rotating mechanism, and the output end of the rotating mechanism is connected with the support base.
The top of the stocker is provided with a proximity switch, and the first motor, the second motor and the proximity switch are respectively connected to the controller through lines.
When the second driving mechanism is used for driving the support base to move back and forth, the second driving mechanism comprises a telescopic cylinder fixedly arranged at the top of the fixed frame, and the end part of a piston rod of the telescopic cylinder is fixedly connected with the support base.
The operation method of the coal sampling device in the technical scheme comprises the following steps:
1) when the belt conveyor discharges materials, the cantilever is in a horizontal state, the material receiving disc is positioned at the discharging position of the belt conveyor, and the cantilever is kept still for several seconds to take materials;
2) controlling the winch to retract the cantilever through a rope, enabling the cantilever to rotate by taking the end part at the inner side as a fulcrum, and enabling the materials in the material receiving disc to fall into the material storage device under the action of gravity;
3) the material was removed from the hopper and analyzed.
Compared with the prior art, the coal sampling device has the advantages of novel and reasonable design, simple structure and convenient operation, and by matching with the operation method, the defects of low efficiency, low sampling representativeness and large consumption of manpower and material resources of the traditional manual sampling are effectively overcome, single coal is collected by the driving mechanism, so that the sampling automation is more convenient and safer, the defects of the automatic single coal collecting and detecting technology are overcome, the data accuracy of the single coal and the matched coal can be effectively ensured, the coke index is ensured to be stable while the coal blending structure is optimized and the cost is reduced, and a good foundation is laid for the long-period stable smooth running of a blast furnace; the invention can also select the mode of rotating or moving the bracket back and forth to flexibly set the second driving mechanism according to the space condition of the field device, and has strong applicability.
Drawings
FIG. 1 is a schematic structural view of one embodiment of a coal sampling device of the present invention;
FIG. 2 is a schematic top view of the arrangement of the bracket, the cantilever and the take-up reel of the present invention;
FIG. 3 is a schematic structural view of another embodiment of a coal sampling device according to the present invention;
FIG. 4 is a schematic diagram of the connection of a controller, a first motor, a second motor and a proximity switch in accordance with the present invention;
in the figure: 1. the automatic control device comprises a fixed frame, 2, a hopper, 3, a second driving mechanism, 31, a second motor, 31', a telescopic cylinder, 32, a second speed reducer, 33, a rotating mechanism, 4, a bracket, 41, a horizontal bracket, 42, a vertical bracket, 43, a bracket base, 411, a connecting rod, 5, a winch, 6, a material receiving disc, 7, a cantilever, 71, a cantilever rod, 8, a pulley, 9, a rope, 10, a first driving mechanism, 101, a first motor, 102, a first speed reducer, 11, a supporting wheel, 12, a connecting arm, 13, a supporting plate, 14, a controller and 15, and an approach switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "upper", "lower", "left", "right", "front", "rear", and the like used in the specification and claims of the present disclosure are used only to indicate relative positional relationships, and when the absolute position of a described object is changed, the relative positional relationships are changed accordingly; the terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The present invention is not described in detail, but is known to those skilled in the art.
Example 1:
as shown in fig. 1 and 2, the coal sampling device of the present invention comprises a fixing frame 1, wherein the fixing frame 1 can be separately arranged on the ground or on a frame of a material distribution device; a stocker 2 for storing collected samples is arranged on one side of the fixed frame 1, and a support 4 is arranged at the top of the stocker; the support 4 comprises a rectangular support base 43, one end of the support base 43 is provided with the winch 5, the other end of the support base 43 is vertically provided with a vertical support 42, a horizontal support 41 is arranged along the length of the support base, the end part, close to the vertical support 42, of the horizontal support 41 is rotatably connected with a cantilever 7, and the end part of the other end of the cantilever 7 is fixedly provided with a material receiving disc 6; the top of the vertical bracket 42 is provided with a pulley 8; the winch 5 is provided with a first driving mechanism 10 which is connected with the outer end of the cantilever 7 through a rope 9 and a pulley 8.
In this embodiment, the first driving mechanism 10 includes a first motor 101 and a first speed reducer 102, an output end of the first motor 101 is connected to an input end of the first speed reducer 102, an output end of the first speed reducer 102 is connected to an input end of the winding engine 5, the winding engine 5 is driven to rotate by the first motor 101, so as to release or withdraw the rope 9, and the cantilever 7 can be turned over with an inner end thereof serving as a fulcrum, so that the receiving tray 6 collects a sample or pours the sample collected in the receiving tray 6 into the stocker 2.
In order to facilitate the turning of the cantilever 7, a connecting arm 12 is vertically arranged at the outer end of the cantilever 7, and the end of the rope 9 is fixedly connected with the top of the connecting arm 12.
In this embodiment, the horizontal bracket 41 includes two connecting rods 411 arranged in parallel along the length direction of the upper surface of the bracket base 43 at intervals; the cantilever 7 comprises two cantilever rods 71 arranged in parallel at intervals, one end of each cantilever rod 71 at the same side is fixedly connected with the material receiving tray 6, and the other end of each cantilever rod 71 is hinged with the end parts of the two connecting rods 411. The sample collected in the take-up pan 6 can be poured into the hopper 2 from between the two cantilever bars 71.
When in application, the operation method of the coal sampling device comprises the following steps:
(1) when the belt conveyor discharges materials, the cantilever 7 is in a horizontal state, the material receiving disc 6 is located at the discharging position of the belt conveyor, and the material receiving disc stands for a few seconds to take materials;
(2) the winch 5 is controlled to retract the cantilever 7 through the rope 9, the cantilever 7 rotates by taking the end part at the inner side as a fulcrum, and the materials in the receiving tray 6 fall into the material storage device 2 under the action of gravity;
(3) the material is removed from the hopper 2 and analyzed.
Example 2:
on the basis of the embodiment 1, the invention discloses a coal sampling device, wherein a second driving mechanism 3 is arranged at the upper part of a fixed frame 1, the output end of the second driving mechanism 3 is movably connected with a bracket base 43, and a bracket 4 can be driven to rotate or move back and forth as required, so that the receiving plate 6 can rotate or move back and forth, and the receiving plate can be conveniently conveyed to a material collecting position in a rotating or moving back and forth mode when the space is narrow; meanwhile, the fixed frame 1 is further provided with a supporting plate 13, a roller path is arranged on the supporting plate 13, a plurality of supporting wheels 11 are arranged at the bottom of the support base 43, the supporting wheels 11 are arranged in the roller path of the supporting plate 13, and when the second driving mechanism 3 drives the support 4 to rotate or move back and forth, the roller path is respectively arc-shaped or linear.
Example 3:
on the basis of embodiment 2, when the second driving mechanism 3 drives the bracket 4 to rotate to send the receiving tray 6 to the material collecting position, the second driving mechanism 3 comprises a second motor 31, a second speed reducer 32 and a rotating mechanism 33; the second motor 31 is fixedly arranged on the fixed frame 1, the output end of the second motor is connected with the input end of the second speed reducer 32, the output end of the second speed reducer 32 is connected with the input end of the rotating mechanism 33, and the output end of the rotating mechanism 33 is connected with the bracket base 43.
In application, the operation method of the coal sampling device comprises the following steps:
1. when the belt conveyor discharges materials, the winch 5 releases the cantilever 7 through the rope 9 to enable the cantilever 7 to be in a horizontal state, then the second motor 31, the second speed reducer 32 and the rotating mechanism 33 drive the bracket underframe 43 to rotate, and then the material receiving disc 6 connected to the cantilever 7 is conveyed to a sample collecting position and stands for a few seconds to take materials;
2. the bracket underframe 43 is driven to rotate by the second motor 31, the second speed reducer 32 and the rotating mechanism 33, so that the receiving disc 6 connected on the cantilever 7 is sent to the outer side of the sample collecting position, then the winch 5 is controlled to withdraw the cantilever 7 by the rope 9, the cantilever 7 rotates by taking the inner side end part as a fulcrum, and the material in the receiving disc 6 falls into the stocker 2 under the action of gravity;
3. the material is removed from the hopper 2 and analyzed.
Example 4:
on the basis of embodiment 3, the coal sampling device can also be operated automatically, the coal sampling device further comprises a controller 14, the controller 14 can be a PLC or the like, a proximity switch 15 is arranged at the top of the stocker 2, and the first motor 101, the second motor 31 and the proximity switch 15 are respectively connected to the controller 14 through lines. During application, the proximity switch 15 receives a signal of proximity or distance of the receiving tray 6 and transmits the signal to the controller 14, and the controller 14 controls the first motor 101 and the second motor 31 according to the transmitted signal, so that sample collection operation is performed orderly.
Example 5:
on the basis of embodiment 2, when the second driving mechanism 3 drives the support 4 to send the receiving tray 6 to the material collecting position in a back-and-forth movement manner, the second driving mechanism 3 comprises a telescopic cylinder 31 'fixedly arranged at the top of the fixed frame 1, and the end of a piston rod of the telescopic cylinder 31' is fixedly connected with the support base 43.
When in use, the operation method of the coal sampling device comprises the following steps:
1. when the belt conveyor discharges materials, the winch 5 releases the cantilever 7 through the rope 9 to enable the cantilever 7 to be in a horizontal state, then the piston rod of the telescopic cylinder 31' drives the bracket underframe 43 to move forwards, and then the material receiving disc 6 connected to the cantilever 7 is conveyed to a sample collecting position and stands for a few seconds to take materials;
2. the piston rod of the telescopic cylinder 31' drives the bracket underframe 43 to move backwards, so that the receiving tray 6 connected with the cantilever 7 is withdrawn from the sample collecting position area, then the winch 5 is controlled to withdraw the cantilever 7 through the rope 9, the cantilever 7 rotates by taking the end part at the inner side as a fulcrum, and the material in the receiving tray 6 falls into the stocker 2 under the action of gravity;
3. the material is removed from the hopper 2 and analyzed.
Claims (9)
1. A coal sampling device which characterized in that: the device comprises a fixed frame (1), wherein a material storage device (2) is arranged on one side of the fixed frame (1), and a support (4) is arranged at the top of the fixed frame; the support (4) comprises a support base (43), one end of the support base (43) is provided with a winch (5), the other end of the support base (43) is vertically provided with a vertical support (42), a horizontal support (41) is arranged along the length direction of the support base, the end part, close to the vertical support (42), of the horizontal support (41) is rotatably connected with a cantilever (7), and the end part of the other end of the cantilever (7) is fixedly provided with a material receiving disc (6); the top of the vertical support (42) is provided with a pulley (8); the winch (5) is provided with a first driving mechanism (10) which is connected with the outer end of the cantilever (7) through a rope (9) and a pulley (8).
2. A coal sampling device as defined in claim 1 wherein: the first driving mechanism (10) comprises a first motor (101) and a first speed reducer (102), the output end of the first motor (101) is connected with the input end of the first speed reducer (102), and the output end of the first speed reducer (102) is connected with the input end of the winch (5).
3. A coal sampling device as defined in claim 1 wherein: the outer side end of the cantilever (7) is vertically provided with a connecting arm (12), and the end of the rope (9) is fixedly connected with the top of the connecting arm (12).
4. A coal sampling device as claimed in any one of claims 1 to 3 wherein: the horizontal support (41) comprises two connecting rods (411) which are arranged in parallel at intervals along the length direction of the upper surface of the support base (43); the cantilever (7) comprises two cantilever rods (71) which are arranged in parallel at intervals, one end of each cantilever rod (71) at the same side is fixedly connected with the material receiving disc (6), and the other end of each cantilever rod is hinged to the end parts of the two connecting rods (411).
5. A coal sampling device as defined in claim 4 in which: the upper part of the fixed frame (1) is provided with a second driving mechanism (3), and the output end of the second driving mechanism (3) is movably connected with the bracket base (43); the fixing frame (1) is further provided with a supporting plate (13), a roller path is arranged on the supporting plate (13), a plurality of supporting wheels (11) are arranged at the bottom of the support base (43), and the supporting wheels (11) are arranged in the roller path of the supporting plate (13).
6. A coal sampling device as defined in claim 5 in which: the second driving mechanism (3) comprises a second motor (31), a second speed reducer (32) and a rotating mechanism (33); the second motor (31) is fixedly arranged on the fixed frame (1), the output end of the second motor is connected with the input end of the second speed reducer (32), the output end of the second speed reducer (32) is connected with the input end of the rotating mechanism (33), and the output end of the rotating mechanism (33) is connected with the support base (43).
7. A coal sampling device as defined in claim 6 wherein: the top of the stocker (2) is provided with a proximity switch (15), and the first motor (101), the second motor (31) and the proximity switch (15) are connected to the controller (14) through lines respectively.
8. A coal sampling device as defined in claim 5 in which: the second driving mechanism (3) comprises a telescopic cylinder (31 ') fixedly arranged at the top of the fixed frame (1), and the end part of a piston rod of the telescopic cylinder (31') is fixedly connected with the support base (43).
9. A method of operating a coal sampling device as claimed in any one of claims 1 to 8, comprising the steps of:
1) when the belt conveyor discharges materials, the cantilever (7) is in a horizontal state, the material receiving disc (6) is located at the discharging position of the belt conveyor, and the material receiving disc stands for several seconds to take materials;
2) controlling the winch (5) to retract the cantilever (7) through the rope (9), enabling the cantilever (7) to rotate by taking the end part at the inner side as a fulcrum, and enabling materials in the receiving disc (6) to fall into the material storage device (2) under the action of gravity;
3) the material is taken out of the storage container (2) and analyzed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037676.2A CN114371023A (en) | 2022-01-13 | 2022-01-13 | Coal sampling device and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037676.2A CN114371023A (en) | 2022-01-13 | 2022-01-13 | Coal sampling device and operation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114371023A true CN114371023A (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210037676.2A Pending CN114371023A (en) | 2022-01-13 | 2022-01-13 | Coal sampling device and operation method thereof |
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2022
- 2022-01-13 CN CN202210037676.2A patent/CN114371023A/en active Pending
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