Combination of coal quality online measuring device and measuring method
By designing automated online coal quality measurement equipment, and utilizing structures such as servo motors and threaded rods, automated sampling and testing of coal mines are achieved. Combined with gamma ray detectors and neutron generators for online analysis, the problem of low efficiency in manual sampling in existing technologies is solved, enabling real-time acquisition of coal quality data and production guidance.
Patent Information
- Application Number
- CN202310208846.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-03-07
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2043-03-07
AI Technical Summary
In current coal industry production, coal quality analysis requires manual sampling and laboratory analysis, resulting in low measurement efficiency.
An online coal quality measurement device was designed, including components such as a conveyor, crushing box, forming box, and measuring box. It achieves automated sampling and detection through mechanical structures such as servo motors and threaded rods, and performs online analysis in conjunction with a gamma ray detector and a neutron generator.
It enables automated sampling and testing of coal ore, improves measurement efficiency, reduces manual intervention, and allows for real-time acquisition of coal quality data to guide the production process.
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Figure CN116087257B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of coal quality online measurement, in particular to a kind of combination coal quality online measurement equipment and measurement method. BACKGROUND
[0002] At present, the coal quality analysis technology used in existing coal industry production mainly uses laboratory chemical analysis or X-ray fluorescence analysis. These two methods need to collect samples on site (sampling process) to raw coal, and experimenters analyze samples to obtain analysis results. In this process, coal mine samples need to be manually sampled from the conveyor, and then analyzed, which is very inconvenient and makes the measurement efficiency not high. SUMMARY
[0003] In view of the deficiencies of the prior art, the present application provides a kind of combination coal quality online measurement equipment and measurement method, solve the problems raised in the above background.
[0004] To achieve the above object, the present application is realized by the following technical scheme: a kind of combination coal quality online measurement equipment, including conveyer, the bottom of the conveyer is provided with base, one side of the base is fixedly connected with fixed box, the top of the fixed box is fixedly connected with fixed frame, one side of the fixed frame is fixedly connected with third servo motor, the output end of the third servo motor extends to the inside of fixed frame and is provided with rotating rod, the outside of the rotating rod is sleeved with fixed sleeve, the outside of the fixed sleeve is provided with first push plate, one side of the conveyer is fixedly connected with guide rail, the inside of the fixed box is fixedly connected with crushing box, the top of the crushing box is fixedly connected with guide chute, two crushing rollers are rotatably connected in the crushing box, the bottom of the crushing box is fixedly connected with guide pipe, one side of the guide pipe is fixedly connected with conveying box, the bottom of the guide pipe is fixedly connected with forming box.
[0005] Optionally, one side of the forming box is rotatably connected with reciprocating screw rod, the outside of the reciprocating screw rod is screw connected with push block, one side of the push block is fixedly connected with connecting block, one end of the connecting block extends to the inside of forming box and is provided with beating block, the bottom of the guide pipe is provided with discharging valve, the discharging valve is communicated with the inside of forming box.
[0006] Optionally, a conduit is fixedly connected to the bottom of the molding box, a measuring box is fixedly connected to the bottom of the conduit, a connecting box is fixedly connected to the bottom of the measuring box, a first threaded rod is rotatably connected to the bottom of the connecting box, a moving block is threadedly connected to the outer side of the first threaded rod, a first connecting post is fixedly connected to the top of the moving block, the top of the first connecting post extends into the interior of the connecting box, a test chamber is opened inside the measuring box, the top of the first connecting post extends into the test chamber, a second connecting post is fixedly connected to the top of the first connecting post, a fixing plate is fixedly connected to the top of the second connecting post, a pressure sensor is provided inside the fixing plate, and a detection plate is provided at the detection end of the pressure sensor.
[0007] Optionally, a calibration chamber is provided inside the measuring box and on one side of the cavity to be measured. A top cover is provided on the top of the measuring box and above the calibration chamber. Detection chambers are provided inside the measuring box and on both the side of the cavity to be measured and the side of the calibration chamber. A gamma ray detector is provided inside each detection chamber, and a neutron generator is provided inside the calibration chamber.
[0008] Optionally, a second threaded rod is rotatably connected to one side of the connecting box, a first movable plate is threadedly connected to the outer side of the second threaded rod, a second push plate is fixedly connected to one side of the first movable plate, one end of the second push plate extends into the interior of the connecting box, and a conveyor is provided at the bottom of the inner cavity of the connecting box.
[0009] Optionally, the top of the fixed box cavity is provided with a second servo motor, the output end of the second servo motor is provided with a threaded column, the outer side of the threaded column is threadedly connected with a sliding block, one end of the sliding block is provided with a rack, the inside of the fixed box is fixedly connected with a first limiting block, one side of the first limiting block is rotatably connected with a first connecting rod, one end of the first connecting rod is provided with a first transmission gear, the other end of the first connecting rod extends to the other side of the first limiting block, the outer sides of the first connecting rod and the reciprocating lead screw are both sleeved with a first belt pulley which is connected by a belt.
[0010] Optionally, the conveyor extends to the outside of the connecting box, one side of the material guide pipe is fixedly connected with a conveying box, the inside of the conveying box is rotatably connected with a spiral conveying shaft, one side of the crushing box is provided with two first servo motors, the output ends of the first servo motors are connected with one ends of the crushing rollers, one end of one of the crushing rollers extends to the outside of the crushing box, one end of the spiral conveying shaft extends to the outside of the conveying box, the outer side of the spiral conveying shaft is provided with a clutch sleeve, the outer side of the clutch sleeve is sleeved with a sixth belt pulley which is connected with the fifth belt pulley by a belt.
[0011] Optionally, a plurality of receiving grooves are formed in the interior of the spiral conveying shaft, a sliding plate is slidably connected in the interior of each receiving groove, a connecting rod is arranged on one side of each sliding plate, one end of each connecting rod extends to the exterior of the spiral conveying shaft and is provided with a clutch head, a plurality of clutch grooves are formed in the interior of the clutch sleeve, one end of each clutch head extends into the interior of a clutch groove, an electromagnet is arranged on one side of the sliding plate and the interior of the receiving groove, and a connecting spring is sleeved around the exterior of the connecting rod in the interior of the receiving groove.
[0012] Optionally, one end of the conveying box extends to the exterior of the fixed box, and a switch valve is arranged on one side of the conveying box, and one end of the switch valve extends to the interior of the material guide pipe.
[0013] A combined coal quality online measurement method comprises the following steps:
[0014] S1: every certain time, the output end of the third servo motor drives the rotating rod to rotate, so that the first push plate rotates, thereby pushing the coal and ore conveyed on the surface of the conveyor into the guide rail, and then into the crushing box to crush the coal and ore to a proper size;
[0015] S2: the crushed coal and ore are formed;
[0016] S3: the chemical analysis value of the calibration coal sample is obtained: the linear relationship between the contents of organic hydrogen, organic oxygen and carbon elements in the corresponding coal is obtained by using the chemical analysis value of the obtained standard to-be-measured coal sample, then the neutron generator and the gamma ray detector are turned on, the to-be-measured coal sample and the calibration coal sample in the to-be-measured cavity are irradiated at the same time, the characteristic peak area of the carbon element in the gamma spectrum corresponding to the standard to-be-measured coal sample and the calibration coal sample is obtained, then the carbon element content ratio of the standard to-be-measured sample and the calibration coal sample and the measured gamma spectrum carbon peak area ratio are calculated, then a plurality of samples of the coal are detected to find out the linear relationship formula, the linear coefficient corresponding to the to-be-measured coal is calculated, then the carbon content, the organic oxygen content and the organic hydrogen content in the to-be-measured coal sample are calculated, thereby the linear relationship of the calorific value, the ash content and the C, H and O contents is given, the measurement data and the reference data are compared by using a computer, the data is retained, then the analysis result is sent to a control program to complete the guidance of the production link;
[0017] S4: after the detection is completed, the coal sample after the detection is completed is taken out.
[0018] The application provides a combined coal quality online measurement device and measurement method, which has the following beneficial effects:
[0019] 1. The combination coal quality online measurement device and measurement method, by setting the rotating rod, the first push plate and the fixed sleeve, every certain time, the output end of the third servo motor drives the rotating rod to rotate, so that the first push plate rotates, thereby pushing the coal ore conveyed on the surface of the conveyor into the guide rail, and then crushing and forming the coal ore, so that the coal ore conveyed on the conveyor can be automatically detected without manual detection.
[0020] 2. The combination coal quality online measurement device and measurement method, by setting the first connecting column, the fixed plate and the detection plate, the rack drives the second transmission gear to rotate, so that the second transmission gear drives the third connecting rod to rotate, so that the third connecting rod drives the second connecting rod to rotate through the first bevel gear, so that the third belt pulley drives the first threaded rod to rotate, so that the moving block drives the first connecting column to move downward, so that the first connecting column drives the formed coal ore into the inside of the detection cavity through the connecting plate, the second connecting column and the fixed plate for detection, then the output end of the second servo motor drives the threaded column to rotate, so that the rack drives the third transmission gear to rotate, so that the third transmission gear drives the second connecting rod to rotate through the fourth connecting rod and the third bevel gear, so that the third belt pulley drives the first threaded rod to rotate, so that the moving block drives the first connecting column to move downward, so that the first connecting column drives the formed coal ore into the inside of the connecting box through the connecting plate, the second connecting column and the fixed plate, when the rack and the third transmission gear are disengaged, the detected coal sample is located in the connecting box, then the rack drives the fourth transmission gear to rotate, so that the fourth transmission gear drives the connecting shaft to rotate through the fifth connecting rod and the second belt pulley, so that the connecting shaft drives the second threaded rod to rotate through the fourth belt pulley, so that the first moving plate pushes the second push plate to push the coal sample on the surface of the detection plate into the conveyor, which can automatically take out the detected coal sample. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 The internal structure of the present application is shown in the figure;
[0022] Figure 2 The internal structure of the fixed box of the present application is shown in the figure;
[0023] Figure 3 The external structure of the fixed frame of the present application is shown in the figure;
[0024] Figure 4 The external structure of the crushing box, the guide pipe and the conveying box of the present application is shown in the figure;
[0025] Figure 5 The rear view structure of the crushing box of the present application is shown in the figure;
[0026] Figure 6 The structure of the fixed plate, the detection plate and the pressure sensor of the present application is shown in the figure;
[0027] Figure 7 Fig. 3 is a schematic view of the connection structure of the screw conveying shaft and the clutch sleeve of the present application;
[0028] Figure 8 Fig. 4 is an enlarged view of A of the present application; Figure 2
[0029] Figure 9 Fig. 5 is an enlarged view of B of the present application; Figure 2
[0030] Figure 10 Fig. 6 is an enlarged view of C of the present application. Figure 7
[0031] Fig. 1 is a schematic view of the present application; 1, conveying machine; 2, base; 3, fixed box; 4, fixed frame; 5, rotating rod; 6, fixed sleeve; 7, first push plate; 8, guide rail; 9, crushing box; 10, material guide hopper; 11, first servo motor; 12, crushing roller; 13, material guide pipe; 14, discharging valve; 15, forming box; 16, reciprocating screw rod; 17, push block; 18, connecting block; 19, hitting block; 20, measuring box; 21, connecting box; 22, first threaded rod; 23, moving block; 24, first connecting column; 25, cavity to be measured; 26, guide pipe; 27, connecting plate; 28, second connecting column; 29, fixed plate; 30, detection plate; 31, pressure sensor; 32, calibration cavity; 33, detection cavity; 34, gamma ray detector; 35, top cover; 36, second threaded rod; 37, first moving plate; 38, second push plate; 39, conveying machine; 40, second servo motor; 41, threaded column; 42, sliding block; 43, rack; 44, first limiting block; 45, first connecting rod; 46, first transmission gear; 47, first belt pulley; 48, second limiting block; 49, second connecting rod; 50, third limiting block; 51, third connecting rod; 52, second transmission gear; 53, first bevel gear; 54, fourth limiting block; 55, fourth connecting rod; 56, third transmission gear; 57, third bevel gear; 58, fifth limiting block; 59, fifth connecting rod; 60, fourth transmission gear; 61, fixed block; 62, connecting shaft; 63, second belt pulley; 64, third belt pulley; 65, fourth belt pulley; 66, third servo motor; 67, fifth belt pulley; 68, clutch sleeve; 69, sixth belt pulley; 70, storage groove; 71, sliding plate; 72, coupling rod; 73, clutch head; 74, clutch groove; 75, connecting spring; 76, electromagnet; 77, conveying box; 78, screw conveying shaft; 79, on-off valve; 80, neutron generator. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application.
[0033] Embodiment one
[0034] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 6 、 Figure 8 And Figure 9 , the present application provides a technical scheme: a combination of coal quality online measurement equipment, including conveyor 1, the bottom of conveyor 1 is provided with base 2, one side of base 2 is fixedly connected with fixed box 3, the top of fixed box 3 is fixedly connected with fixed frame 4, one side of fixed frame 4 is fixedly connected with third servo motor 66, the output end of third servo motor 66 extends to the inside of fixed frame 4 and is provided with rotating rod 5, the outside of rotating rod 5 is sleeved with fixed sleeve 6, the outside of fixed sleeve 6 is provided with first push plate 7, one side of conveyor 1 is fixedly connected with guide rail 8, the inside of fixed box 3 is fixedly connected with crushing box 9, the top of crushing box 9 is fixedly connected with guide chute 10, two crushing rollers 12 are rotatably connected in crushing box 9, the bottom of crushing box 9 is fixedly connected with guide pipe 13, one side of guide pipe 13 is fixedly connected with conveying box 77, the bottom of guide pipe 13 is fixedly connected with forming box 15.
[0035] Among them, one side of forming box 15 is rotatably connected with reciprocating screw rod 16, the outside of reciprocating screw rod 16 is threadedly connected with push block 17, one side of push block 17 is fixedly connected with connecting block 18, one end of connecting block 18 extends to the inside of forming box 15 and is provided with beating block 19, the bottom of guide pipe 13 is provided with discharging valve 14, discharging valve 14 communicates with the inside of forming box 15, so that the coal ore in the inside of guide pipe 13 can enter the inside of forming box 15 through discharging valve 14.
[0036] Among them, the bottom of forming box 15 is fixedly connected with guide pipe 26, the bottom of guide pipe 26 is fixedly connected with measuring box 20, the bottom of measuring box 20 is fixedly connected with connecting box 21, the bottom of connecting box 21 is rotatably connected with first threaded rod 22, the outside of first threaded rod 22 is threadedly connected with moving block 23, the top of moving block 23 is fixedly connected with first connecting column 24, the top of first connecting column 24 extends to the inside of connecting box 21, the inside of measuring box 20 is provided with to-be-measured cavity 25, the top of first connecting column 24 extends to the inside of to-be-measured cavity 25, the top of first connecting column 24 is fixedly connected with second connecting column 28, the top of second connecting column 28 is fixedly connected with fixed plate 29, the inside of fixed plate 29 is provided with pressure sensor 31, the detection end of pressure sensor 31 is provided with detection plate 30, and the coal ore in the inside of forming box 15 can be formed.
[0037] The inside of the measuring box 20 is provided with a calibration cavity 32 on one side of the cavity to be measured 25, the top of the measuring box 20 is provided with a top cover 35 above the calibration cavity 32, the inside of the measuring box 20 is provided with a detection cavity 33 on one side of the cavity to be measured 25 and one side of the calibration cavity 32, the inside of the detection cavity 33 is provided with a gamma ray detector 34, the inside of the calibration cavity 32 is provided with a neutron generator 80, which can detect the coal sample to be measured, by opening the top cover 35, the calibration coal sample can be put into the inside of the calibration cavity 32, then the top cover 35 is closed, and the measuring box 20 is closed.
[0038] The side of the connecting box 21 is rotatably connected with a second threaded rod 36, the outer side of the second threaded rod 36 is threadedly connected with a first moving plate 37, one side of the first moving plate 37 is fixedly connected with a second push plate 38, one end of the second push plate 38 extends to the inside of the connecting box 21, the bottom of the inner cavity of the connecting box 21 is provided with a conveyor 39, which can push the detected coal sample to the surface of the conveyor 39, and the conveyor 39 is used for conveying to the outside.
[0039] The top of the inner cavity of the fixed box 3 is provided with a second servo motor 40, the output end of the second servo motor 40 is provided with a threaded column 41, the outer side of the threaded column 41 is threadedly connected with a sliding block 42, one end of the sliding block 42 is provided with a rack 43, the inside of the fixed box 3 is fixedly connected with a first limiting block 44, one side of the first limiting block 44 is rotatably connected with a first connecting rod 45, one end of the first connecting rod 45 is provided with a first transmission gear 46, the other end of the first connecting rod 45 extends to the other side of the first limiting block 44, the outer sides of the first connecting rod 45 and the reciprocating lead screw 16 are both provided with a first pulley 47 which is connected through a belt drive, the inside of the fixed box 3 is fixedly connected with a second limiting block 48, the bottom of the second limiting block 48 is rotatably connected with a second connecting rod 49, the inside of the fixed box 3 and on one side of the second limiting block 48 is fixedly connected with a third limiting block 50, one side of a second transmission gear 52 is rotatably connected with a third connecting rod 51, one end of the third connecting rod 51 is provided with the second transmission gear 52, one end of the third connecting rod 51 extends to the other side of the third limiting block 50, the outer sides of the third connecting rod 51 and the second connecting rod 49 are both provided with a first bevel gear 53 which is engaged, the inside of the fixed box 3 is fixedly connected with a fourth limiting block 54, one side of the fourth limiting block 54 is rotatably connected with a fourth connecting rod 55, one end of the fourth connecting rod 55 is fixedly connected with a third transmission gear 56, one end of the fourth connecting rod 55 extends to the other side of the fourth limiting block 54, the outer sides of the fourth connecting rod 55 and the second connecting rod 49 are both provided with a third bevel gear 57 which is engaged, the inside of the fixed box 3 is provided with a fifth limiting block 58, one side of the fifth limiting block 58 is rotatably connected with a fifth connecting rod 59, one end of the fifth connecting rod 59 is provided with a fourth transmission gear 60, the other end of the fifth connecting rod 59 extends to the other side of the fifth limiting block 58, the bottom of the inner cavity of the fixed box 3 is provided with two fixed blocks 61, a connecting shaft 62 is rotatably connected between the two fixed blocks 61, the outer sides of the connecting shaft 62 and the fifth connecting rod 59 are both provided with a second pulley 63 which is connected through a belt drive, one side of the second threaded rod 36 and the outer side of the connecting shaft 62 are both provided with a fourth pulley 65 which is connected through a belt drive, so that the beating block 19, the second push plate 38 and the detection plate 30 can be controlled to move.
[0040] Example two
[0041] See Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 、 Figure 7 and Figure 10The application provides a technical scheme that the conveyor 39 extends to the outside of the connecting box 21, one side of the material guide pipe 13 is fixedly connected with a conveying box 77, the conveying box 77 is rotationally connected with a spiral conveying shaft 78 inside, two first servo motors 11 are arranged on one side of the crushing box 9, the output ends of the first servo motors 11 are connected with one end of the crushing roller 12, one end of the crushing roller 12 extends to the outside of the crushing box 9, one end of the spiral conveying shaft 78 extends to the outside of the conveying box 77, the outside of the spiral conveying shaft 78 is provided with a clutch sleeve 68, the outside of the clutch sleeve 68 is sleeved with a sixth belt pulley 69 which is in transmission connection with the fifth belt pulley 67 through a belt, and the coal ore inside the material guide pipe 13 can be taken out.
[0042] The spiral conveying shaft 78 is internally provided with a plurality of receiving grooves 70, the receiving grooves 70 are all slidably connected with sliding plates 71, one side of the sliding plates 71 is all provided with connecting rods 72, one end of the connecting rods 72 all extends to the outside of the spiral conveying shaft 78 and is provided with a clutch head 73, the inside of the clutch sleeve 68 is all provided with a plurality of clutch grooves 74, one end of the clutch head 73 all extends to the inside of the clutch grooves 74, the sliding plates 71 and one side of the receiving grooves 70 are all provided with electromagnets 76, the receiving grooves 70 are all sleeved with connecting springs 75 outside the connecting rods 72, so that the spiral conveying shaft 78 and the clutch sleeve 68 can be conveniently connected or disconnected.
[0043] The conveying box 77 is provided with a switch valve 79 on one side, one end of the switch valve 79 extends to the inside of the material guide pipe 13, and the excess coal ore inside the material guide pipe 13 can be conveyed to the outside.
[0044] Embodiment three
[0045] Please refer to Figures 1 to 10 The application provides a technical scheme that a coal quality online measurement method is combined, and the method comprises the following steps:
[0046] S1: every certain time, the output end of the third servo motor 66 drives the rotating rod 5 to rotate, so that the first push plate 7 rotates, thereby pushing the coal ore conveyed on the surface of the conveying machine 1 into the guide rail 8, then the third servo motor 66 stops working, so that the coal ore enters the material guide hopper 10 and then enters the crushing box 9, the output end of the first servo motor 11 drives the crushing roller 12 to rotate, so that the crushing roller 12 crushes the coal ore to an appropriate size, at this time, the electromagnets 76 are in a closed state, so that the repulsion magnetic field between the two electromagnets 76 disappears, the connecting springs 75 push the sliding plates 71, the connecting rods 72 and the clutch heads 73 to move, one end of the clutch head 73 moves out of the clutch groove 74, so that the clutch sleeve 68 is disconnected with the spiral conveying shaft 78, at this time, the spiral conveying shaft 78 cannot rotate;
[0047] S2: the coal ore after crushing is shaped, the coal ore after crushing enters to the inside of the shaping box 15 through the blanking valve 14, when the pressure sensor 31 detects that the coal ore on the top of the detection plate 30 reaches a certain weight, the blanking valve 14 is closed, then the output end of the second servo motor 40 drives the threaded column 41 to rotate, so that the sliding block 42 drives the rack 43 to move down, so that the rack 43 drives the first transmission gear 46 to rotate, so that the first connecting rod 45 drives the reciprocating screw rod 16 to rotate through the first belt pulley 47, so that the push block 17 drives the connecting block 18 to move, so that the connecting block 18 drives the knocking block 19 to reciprocate, the coal ore is extruded and shaped, when the rack 43 and the first transmission gear 46 are out of contact, at this time the coal ore is shaped, then the rack 43 drives the second transmission gear 52 to rotate, so that the second transmission gear 52 drives the third connecting rod 51 to rotate, so that the third connecting rod 51 drives the second connecting rod 49 to rotate through the first bevel gear 53, so that the third belt pulley 64 drives the first threaded rod 22 to rotate, so that the moving block 23 drives the first connecting column 24 to move down, so that the first connecting column 24 drives the shaped coal ore into the inside of the cavity 25 to be measured through the connecting plate 27, the second connecting column 28 and the fixed plate 29, while the on-off valve 79 is opened, the electromagnet 76 is started, so that the repulsive magnetic field between the two electromagnets 76 is generated, so that the sliding plate 71 pushes the connecting rod 72 and one end of the clutch head 73 to move, so that one end of the clutch head 73 is inserted into the clutch groove 74, so that the clutch sleeve 68 is connected with the screw conveying shaft 78, so that the output end of the first servo motor 11 drives the crushing roller 12 to rotate, so that one crushing roller 12 drives the sixth belt pulley 69 to rotate through the fifth belt pulley 67, so that the sixth belt pulley 69 drives the screw conveying shaft 78 to rotate through the clutch sleeve 68, so that the excess coal ore in the conveying box 77 is conveyed to the outside of the fixed box 3 through the on-off valve 79, then it is discharged into the external discharge equipment through the discharge valve on the conveying box 77;
[0048] S3: Obtain the chemical analysis value of the calibration coal sample; then obtain the linear relationship of the organic hydrogen, organic oxygen and carbon element content in the corresponding coal type by the chemical analysis value of the standard to-be-measured coal sample obtained, and then the neutron generator 80 and the gamma ray detector 34 are turned on, the to-be-measured coal sample and the calibration coal sample in the to-be-measured cavity 25 are irradiated at the same time, the characteristic peak area of the carbon element in the corresponding gamma spectrum of the standard to-be-measured coal sample and the calibration coal sample is obtained, then the carbon element content ratio of the standard to-be-measured sample and the calibration coal sample is calculated, and the measured gamma spectrum carbon peak area ratio is calculated, then a plurality of samples of the coal type are detected to find the linear relationship formula, the linear coefficient of the to-be-measured coal type is calculated, then the carbon content, the organic oxygen content and the organic hydrogen content in the to-be-measured coal type sample are calculated, thereby the linear relationship of the calorific value, the ash content and the C, H and O content is given, the computer is used to compare the measurement data with the reference data, the data is retained, then the analysis result is sent to the control program to complete the guidance of the production link;
[0049] S4: After the detection is completed, the coal sample after the detection is taken out, the output end of the second servo motor 40 drives the threaded column 41 to rotate, so that the rack 43 drives the third transmission gear 56 to rotate, so that the third transmission gear 56 drives the second connecting rod 49 to rotate through the fourth connecting rod 55 and the third bevel gear 57, so that the third belt pulley 64 drives the first threaded rod 22 to rotate, so that the moving block 23 drives the first connecting column 24 to move downward, so that the first connecting column 24 drives the formed coal ore into the connecting box 21 through the connecting plate 27, the second connecting column 28 and the fixed plate 29, when the rack 43 and the third transmission gear 56 are out of contact, the detected coal sample is located in the connecting box 21, then the rack 43 drives the fourth transmission gear 60 to rotate, so that the fourth transmission gear 60 drives the connecting shaft 62 to rotate through the fifth connecting rod 59 and the second belt pulley 63, so that the connecting shaft 62 drives the second threaded rod 36 to rotate through the fourth belt pulley 65, so that the first moving plate 37 pushes the second push plate 38 to push the coal sample on the surface of the detection plate 30 onto the conveyor 39, and the coal sample is conveyed out of the connecting box 21 through the conveyor 39;
[0050] S5: Then the output end of the second servo motor 40 drives the threaded column 41 to reset rotation, so that the sliding block 42 drives the rack 43 to move up, so that the rack 43 drives the fourth transmission gear 60 to reset rotation, so that the fourth transmission gear 60 drives the connecting shaft 62 through the fifth connecting rod 59 and the second belt pulley 63, so that the fourth belt pulley 65 drives the second threaded rod 36 to rotate, so that the first moving plate 37 drives the second push plate 38 to reset movement, when the rack 43 and the fourth transmission gear 60 are out of contact, the second push plate 38 moves to the original position, the rack 43 drives the third transmission gear 56 to reset rotation, so that the third transmission gear 56 drives the second connecting rod 49 through the fourth connecting rod 55 and the third bevel gear 57, so that the third belt pulley 64 drives the first threaded rod 22 to rotate, so that the moving block 23 drives the first connecting column 24 to move up, when the rack 43 and the third transmission gear 56 are out of contact, the detection plate 30 is located in the specified position inside the detection cavity 25, then the rack 43 drives the second transmission gear 52 to reset rotation, so that the second transmission gear 52 drives the third connecting rod 51 to rotate, so that the third connecting rod 51 drives the second connecting rod 49 through the first bevel gear 53, so that the third belt pulley 64 drives the first threaded rod 22 to rotate, so that the moving block 23 drives the first connecting column 24 to move up, so that the first connecting column 24 moves to the original position through the connecting plate 27, the second connecting column 28, the fixed plate 29 and the detection plate 30, when the rack 43 and the second transmission gear 52 are out of contact, the detection plate 30 is located in the original position inside the forming box 15, then the rack 43 drives the first transmission gear 46 to reset rotation, so that the first connecting rod 45 drives the reciprocating lead screw 16 through the first belt pulley 47, so that the push block 17 drives the connecting block 18 to move, so that the connecting block 18 drives the knocking block 19 to reciprocate, when the rack 43 and the first transmission gear 46 are out of contact, the knocking block 19 is located in the specified position.
[0051] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacements or changes to the technical solutions and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A combination coal quality on-line measuring apparatus comprising a conveyor (1) characterised in that: The bottom of the conveyor (1) is provided with a base (2), one side of the base (2) is fixedly connected with a fixed box (3), the top of the fixed box (3) is fixedly connected with a fixed frame (4), one side of the fixed frame (4) is fixedly connected with a third servo motor (66), the output end of the third servo motor (66) extends to the inside of the fixed frame (4) and is provided with a rotating rod (5), the outside of the rotating rod (5) is sleeved with a fixed sleeve (6), the outside of the fixed sleeve (6) is provided with a first push plate (7), one side of the conveyor (1) is fixedly connected with a guide rail (8), the inside of the fixed box (3) is fixedly connected with a crushing box (9), the top of the crushing box (9) is fixedly connected with a guide hopper (10), two crushing rollers (12) are rotatably connected in the crushing box (9), the bottom of the crushing box (9) is fixedly connected with a guide pipe (13), one side of the guide pipe (13) is fixedly connected with a conveying box (77), the bottom of the guide pipe (13) is fixedly connected with a forming box (15); One side of the forming box (15) is rotatably connected with a reciprocating screw rod (16), the outside of the reciprocating screw rod (16) is threadedly connected with a push block (17), one side of the push block (17) is fixedly connected with a connecting block (18), one end of the connecting block (18) extends to the inside of the forming box (15) and is provided with a knocking block (19), the bottom of the guide pipe (13) is provided with a discharging valve (14), and the discharging valve (14) communicates with the inside of the forming box (15); The bottom of the forming box (15) is fixedly connected with a guide pipe (26), the bottom of the guide pipe (26) is fixedly connected with a measuring box (20), the bottom of the measuring box (20) is fixedly connected with a connecting box (21), the bottom of the connecting box (21) is rotatably connected with a first threaded rod (22), the outside of the first threaded rod (22) is threadedly connected with a moving block (23), the top of the moving block (23) is fixedly connected with a first connecting column (24), the top of the first connecting column (24) extends to the inside of the connecting box (21), a to-be-measured cavity (25) is formed in the inside of the measuring box (20), the top of the first connecting column (24) extends to the inside of the to-be-measured cavity (25), the top of the first connecting column (24) is fixedly connected with a second connecting column (28), the top of the second connecting column (28) is fixedly connected with a fixed plate (29), a pressure sensor (31) is arranged in the fixed plate (29), and a detection plate (30) is arranged on the detection end of the pressure sensor (31). The inside of the measuring box (20) and one side of the cavity to be measured (25) are provided with a calibration cavity (32), the top of the measuring box (20) and above the calibration cavity (32) are provided with a top cover (35), the inside of the measuring box (20) and one side of the cavity to be measured (25) and one side of the calibration cavity (32) are provided with a detection cavity (33), the inside of the detection cavity (33) is provided with a gamma ray detector (34), and the inside of the calibration cavity (32) is provided with a neutron generator (80).
2. The coal quality on-line measuring device according to claim 1, characterized in that: One side of the connecting box (21) is rotationally connected with a second threaded rod (36), the outer side of the second threaded rod (36) is threadedly connected with a first moving plate (37), one side of the first moving plate (37) is fixedly connected with a second push plate (38), one end of the second push plate (38) extends to the inside of the connecting box (21), and the bottom of the inner cavity of the connecting box (21) is provided with a conveyor (39).
3. The coal quality on-line measuring device according to claim 2, characterized in that: The top of the inner cavity of the fixed box (3) is provided with a second servo motor (40), the output end of the second servo motor (40) is provided with a threaded column (41), the outer side of the threaded column (41) is threadedly connected with a sliding block (42), one end of the sliding block (42) is provided with a rack (43), the inside of the fixed box (3) is fixedly connected with a first limiting block (44), one side of the first limiting block (44) is rotatably connected with a first connecting rod (45), one end of the first connecting rod (45) is provided with a first transmission gear (46), the other end of the first connecting rod (45) extends to the other side of the first limiting block (44), the outer sides of the first connecting rod (45) and the reciprocating lead screw (16) are both provided with a first pulley (47) connected through a belt drive, the inside of the fixed box (3) is fixedly connected with a second limiting block (48), the bottom of the second limiting block (48) is rotatably connected with a second connecting rod (49), the inside of the fixed box (3) and one side of the second limiting block (48) are fixedly connected with a third limiting block (50), one side of a second transmission gear (52) is rotatably connected with a third connecting rod (51), one end of the third connecting rod (51) is provided with a second transmission gear (52), one end of the third connecting rod (51) extends to the other side of the third limiting block (50), the outer sides of the third connecting rod (51) and the second connecting rod (49) are both provided with a first bevel gear (53) engaged with each other, the inside of the fixed box (3) is fixedly connected with a fourth limiting block (54), one side of the fourth limiting block (54) is rotatably connected with a fourth connecting rod (55), one end of the fourth connecting rod (55) is fixedly connected with a third transmission gear (56), one end of the fourth connecting rod (55) extends to the other side of the fourth limiting block (54), the outer sides of the fourth connecting rod (55) and the second connecting rod (49) are both provided with a third bevel gear (57) engaged with each other, the inside of the fixed box (3) is provided with a fifth limiting block (58), one side of the fifth limiting block (58) is rotatably connected with a fifth connecting rod (59), one end of the fifth connecting rod (59) is provided with a fourth transmission gear (60), the other end of the fifth connecting rod (59) extends to the other side of the fifth limiting block (58), the bottom of the inner cavity of the fixed box (3) is provided with two fixed blocks (61), a connecting shaft (62) is rotatably connected between the two fixed blocks (61), the connecting shaft (62) and the outer side of the fifth connecting rod (59) are both provided with a second pulley (63) connected through a belt drive, one side of the second threaded rod (36) and the outer side of the connecting shaft (62) are both provided with a fourth pulley (65) connected through a belt drive.
4. The coal quality on-line measuring device according to claim 3, characterized in that: The conveyor (39) extends to the outside of the connecting box (21), one side of the material guide pipe (13) is fixedly connected with a conveying box (77), a spiral conveying shaft (78) is rotatably connected in the conveying box (77), two first servo motors (11) are arranged on one side of the crushing box (9), one end of the first servo motor (11) is connected with one end of a crushing roller (12), one end of the crushing roller (12) extends to the outside of the crushing box (9), one end of the spiral conveying shaft (78) extends to the outside of the conveying box (77), a clutch sleeve (68) is arranged on the outside of the spiral conveying shaft (78), and a sixth belt pulley (69) is sleeved on the outside of the clutch sleeve (68) and is in transmission connection with the fifth belt pulley (67) through a belt.
5. The coal quality on-line measuring device according to claim 4, characterized in that: A plurality of accommodation grooves (70) are formed in the spiral conveying shaft (78), the accommodation grooves (70) are slidably connected with sliding plates (71), the sliding plates (71) are provided with connecting rods (72) on one side, one end of the connecting rod (72) extends to the outside of the spiral conveying shaft (78) and is provided with a clutch head (73), a plurality of clutch grooves (74) are formed in the inside of the clutch sleeve (68), one end of the clutch head (73) extends into the clutch groove (74), the sliding plate (71) and one side of the accommodation groove (70) are provided with electromagnets (76), and the accommodation groove (70) is sleeved with a connecting spring (75) on the outside of the connecting rod (72).
6. The coal quality on-line measuring device according to claim 5, characterized in that: One end of the conveying box (77) extends to the outside of the fixed box (3), and a switch valve (79) is arranged on one side of the conveying box (77).
7. A combined coal quality online measurement method applied to the combined coal quality online measurement device of any one of claims 1-6, comprising the following steps: S1: every certain time, the output end of the third servo motor (66) drives the rotating rod (5) to rotate, so that the first push plate (7) rotates, thereby pushing the coal and ore conveyed on the surface of the conveyor (1) into the guide rail (8), and then into the crushing box (9) to crush the coal and ore to an appropriate size; S2: the crushed coal and ore is formed; S3: Obtain the chemical analysis value of the calibration coal sample: Then the linear relationship of the organic hydrogen, organic oxygen and carbon element content in the corresponding coal type is obtained by the chemical analysis value of the standard to-be-measured coal sample obtained. Then the neutron generator (80) and the gamma ray detector (34) are turned on, and the to-be-measured coal sample and the calibration coal sample in the to-be-measured cavity (25) are irradiated at the same time. The characteristic peak area of the carbon element in the standard to-be-measured sample and the calibration coal sample is obtained, and then the carbon element content ratio of the standard to-be-measured sample and the calibration coal sample is calculated, and the measured gamma spectrum carbon peak area ratio is calculated. Then a plurality of samples of the coal type are detected to find the linear relationship formula, and the linear coefficient of the to-be-measured coal sample is calculated. Then the carbon content in the to-be-measured coal sample is calculated, the organic oxygen content and the organic hydrogen content are calculated, thereby the linear relationship of the calorific value, the ash content and the C, H and O content is given. The computer compares the measured data with the reference data, retains the data, and then sends the analysis result to the control program to complete the guidance of the production link; S4: After the detection is completed, the coal sample after the detection is taken out.
Citation Information
Patent Citations
MZ-1 type neutron online coal quality analyzer and relative measurement method
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Radiation type coal quality parameter on-line or off-line measuring instrument and measuring method thereof
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