CN217237822U

CN217237822U - Coal quality detection device based on X-ray multi-element analyzer

Info

Publication number: CN217237822U
Application number: CN202220180033.9U
Authority: CN
Inventors: 孙文慧; 靳伟; 卢鹏云; 刘杰锋; 孙文翔
Original assignee: Shanxi Science And Technology Zhilian Technology Co ltd
Current assignee: Shanxi Science And Technology Zhilian Technology Co ltd
Priority date: 2022-01-22
Filing date: 2022-01-22
Publication date: 2022-08-19
Anticipated expiration: 2032-01-22

Abstract

The utility model relates to a coal quality detection device based on X ray multielement analyzer relates to the technical field of coal industry, and it includes the pure section of thick bamboo of smashing, and the vertical setting of crushing section of thick bamboo is fixed and is provided with the inlet pipe on the crushing section of thick bamboo top surface, is provided with first crushing unit and second crushing unit on the crushing section of thick bamboo, and first crushing unit is used for smashing the coal raw materials on the horizontal direction, and second crushing unit is used for smashing the coal raw materials on vertical direction. The accuracy that the coal raw materials detected can be improved to this application.

Description

Coal quality detection device based on X-ray multi-element analyzer

Technical Field

The application relates to the technical field of coal industry, in particular to a coal quality detection device based on an X-ray multi-element analyzer.

Background

In daily life, coal is one of energy sources mainly used by people, the coal is composed of carbon and other elements with different quantities, mainly oxygen, nitrogen, sulfur and the like, and the deterioration degree and the quality of the coal can be judged by detecting and analyzing the elements contained in the coal.

In the related technology, reference is made to a chinese patent with publication number CN205301172U, which discloses a coal laser detection and analysis device, comprising a three-dimensional point location numerical control platform, wherein a laser detection and analysis instrument is arranged on the upper part of the three-dimensional point location numerical control platform, and a manipulator is arranged on the three-dimensional point location numerical control platform, during detection, a coal sample is transported to the three-dimensional point location numerical control platform by the manipulator, and then the laser detection and analysis instrument is started to detect the coal sample.

In the detection process of the coal raw materials, the blocky coal raw materials are directly placed below the laser detection analyzer for detection, so that the laser detection analyzer can not effectively detect the interior of the coal raw materials when detecting, and the accuracy of coal raw material detection is lower.

SUMMERY OF THE UTILITY MODEL

In order to improve the accuracy that the coal raw materials detected, this application provides a coal quality detection device based on X ray multielement analyzer.

The application provides a coal quality detection device based on X ray multielement analyzer adopts following technical scheme:

the utility model provides a coal quality detection device based on X ray multielement analyzer, includes the pure section of thick bamboo of powder, and the vertical setting of crushing section of thick bamboo is fixed on the crushing section of thick bamboo top surface and is provided with inlet pipe, is provided with first crushing unit and second crushing unit on the crushing section of thick bamboo, and first crushing unit is used for smashing the coal raw materials on the horizontal direction, and the second crushing unit is used for smashing the coal raw materials on the vertical direction.

Through adopting above-mentioned technical scheme, in the coal raw materials got into crushing barrel from the inlet pipe, start first crushing unit and second crushing unit, carry out the smashing of level and two vertical directions to the coal raw materials for the kibbling more thoroughly of coal raw materials avoids the coal raw materials to be cubic when, and laser detection analysis appearance can't effectively detect the inside of coal raw materials, thereby has improved the accuracy that the coal raw materials detected.

Optionally, the first crushing assembly includes a first motor and a first roller, the first motor is mounted on the top surface of the crushing barrel, and an output shaft of the first motor penetrates through the top surface of the crushing barrel and is coaxially arranged with the crushing barrel; the first roller is coaxially arranged in the crushing barrel, the top surface of the first roller is abutted against the top surface of the crushing barrel, and the first roller is fixedly connected with the output shaft of the first motor; the side surface of the first roller is wound with a hob from top to bottom, and the hob is fixedly connected with the first roller.

Through adopting above-mentioned technical scheme, when smashing the coal raw materials, start first motor, first motor output shaft drives first cylinder and rotates on the horizontal direction, and first cylinder and then drive the hobbing cutter and rotate for the hobbing cutter cuts the coal raw materials on the horizontal direction, thereby accomplishes the crushing of coal raw materials on the horizontal direction.

Optionally, the second crushing assembly comprises a second motor and a fixing plate, the fixing plate is coaxially arranged in the crushing barrel and is located below the first roller, the fixing plate is fixedly connected with the crushing barrel, a through groove is formed in the axis of the top surface of the fixing plate, the through groove penetrates through the fixing plate in the vertical direction, a second roller is horizontally arranged in the through groove, and the second roller is rotatably connected with the fixing plate; a hob is also wound on the side surface of the second roller along the length direction of the second roller, and the hob is fixedly connected with the second roller; second cylinder length direction one end is followed self length direction and is extended towards the crushing barrel outside, and the second motor is installed on the crushing barrel lateral wall, and the second motor is located the one end that the second cylinder extends, and second motor output shaft and the coaxial setting of second cylinder, and with second cylinder fixed connection.

Through adopting above-mentioned technical scheme, the coal raw materials drops to logical inslot after smashing for the first time, starts the second motor, and second motor output shaft drives the second cylinder and rotates in vertical direction, and the second cylinder and then drive the hobbing cutter and rotate for the hobbing cutter cuts the coal raw materials when rotating, thereby accomplishes the crushing of coal raw materials in vertical direction.

Optionally, a filtering assembly is arranged below the crushing cylinder, the filtering assembly comprises a collecting cylinder, the collecting cylinder is arranged below the crushing cylinder, and the collecting cylinder is detachably connected with the crushing cylinder and communicated with the inside of the crushing cylinder; a discharge chute is formed in the bottom surface of the collecting barrel and penetrates through the bottom surface of the collecting barrel along the vertical direction, and a filter plate is fixedly arranged in the discharge chute; the discharging pipe is vertically arranged below the discharging groove and is fixedly connected with the collecting barrel.

Through adopting above-mentioned technical scheme, in the coal raw materials got into the surge drum after smashing twice, then utilizing the filter to filter the coal raw materials after smashing for smash qualified coal raw materials and pass through the filter, smash unqualified coal raw materials and stay in the surge drum, avoid detecting smashing unqualified coal raw materials, thereby improved the accuracy that the coal raw materials detected.

Optionally, a stirring assembly is mounted below the filtering assembly, the stirring assembly comprises an installation box, a third motor and a stirring rod, the installation box is horizontally arranged below the discharging pipe, and the installation box is fixedly arranged on the base; the stirring rod is horizontally arranged in the installation box and is rotationally connected with the installation box; a plurality of stirring blades are symmetrically arranged on two sides of the stirring rod, one end of the stirring rod, which is close to the second motor, extends towards the outside of the mounting box along the length direction of the stirring rod, and is fixedly connected with an output shaft of a third motor, and the third motor is mounted on the mounting box; the mounting box top surface is provided with a feeding groove, the feeding groove is opposite to the discharging groove, and the feeding groove penetrates through the mounting box top surface along the vertical direction.

Through adopting above-mentioned technical scheme, smash qualified coal raw materials and pass through in the feed chute gets into the install bin, then start the third motor, third motor output shaft drives the puddler and rotates, and the puddler and then drives the stirring leaf and stir the coal raw materials in the install bin, with kibbling coal raw materials misce bene for coal raw materials can be detected more comprehensively, thereby further improved the accuracy of coal raw materials testing result.

Optionally, the collecting cylinder is in a necking shape from top to bottom, and the discharge chute and the collecting cylinder are coaxially arranged.

Through adopting above-mentioned technical scheme, the coal raw materials in the surge drum can slide under the effect of self gravity for the coal raw materials is concentrated in blown down tank notch department, is favorable to smashing qualified coal raw materials and passes through the filter, when part smashes qualified coal raw materials and remains in the surge drum, can lead to the coal raw materials quantity that is detected to reduce, makes coal raw materials testing result unreliable, thereby has improved the credibility of coal raw materials testing result.

Optionally, a protective layer is fixedly arranged on the top surface of the first roller, and the protective layer is abutted against the top surface of the crushing roller.

Through adopting above-mentioned technical scheme, when first cylinder is direct and crushing barrel butt, there is the friction between first cylinder of pivoted and the crushing barrel, can lead to first cylinder and crushing barrel all to produce the damage for coal quality detection device based on X ray multi-element analyzer's life reduces, and the setting of protective layer can reduce the friction between first cylinder and the crushing barrel, thereby has improved the life of coal quality detection device based on X ray multi-element analyzer.

Optionally, the top surface of the fixing plate is inclined downwards in a direction close to the through groove.

Through adopting above-mentioned technical scheme, the coal raw materials is through the primary crushing back, drop to on the fixed plate top surface, the slope setting of fixed plate top surface makes the coal raw materials can slide to leading to the inslot under the effect of self gravity, be favorable to the coal raw materials to carry out the secondary crushing, when part coal raw materials persist on the fixed plate, can lead to carrying out the coal raw materials of secondary crushing and reduce, and then lead to being detected the quantity reduction of coal raw materials, make coal raw materials testing result unreliable, thereby the credibility of coal raw materials testing result has further been improved.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the first crushing assembly and the second crushing assembly, the coal raw material is crushed more thoroughly, and the situation that a laser detection analyzer cannot effectively detect the interior of the coal raw material when the coal raw material is in a block shape is avoided, so that the accuracy of coal raw material detection is improved;

by arranging the filter assembly, the laser detection analyzer can avoid detecting the crushed unqualified coal raw materials, so that the accuracy of coal raw material detection is improved;

through setting up the protective layer for the friction between first cylinder and the crushing barrel reduces, thereby has improved the life of X ray multi-element analyzer based on coal quality detection device.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a cross-sectional view of an embodiment of the present application;

FIG. 3 is a partial cross-sectional view of an embodiment of the present application to illustrate a second size reduction assembly;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

Description of reference numerals: 1. a base; 2. a milling drum; 21. a feed pipe; 22. distributing pipes; 3. a first size reduction assembly; 31. a first motor; 32. a first drum; 33. hobbing cutters; 4. a second size reduction assembly; 41. a second motor; 42. a second drum; 43. a fixing plate; 431. a through groove; 5. a filter assembly; 51. a collection canister; 511. a discharge chute; 52. a filter plate; 53. a discharge pipe; 531. a valve; 6. a stirring assembly; 61. installing a box; 611. a feed chute; 62. a cylinder; 63. a sliding plate; 64. a discharge pipe; 65. a stirring rod; 651. stirring blades; 66. a third motor; 7. a detection component; 71. a laser detection analyzer; 72. and (6) a detection box.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses coal quality detection device based on X ray multielement analyzer. Referring to fig. 1, coal quality detection device based on X ray multielement analyzer includes base 1, base 1 level sets up, the fixed crushing barrel 2 that is provided with in base 1 top, be provided with first crushing unit 3 and second crushing unit 4 on the crushing barrel 2, first crushing unit 3 is used for smashing the coal raw materials on the horizontal direction, second crushing unit 4 is used for smashing the coal raw materials on vertical direction, 2 one side of crushing barrel is provided with detection component 7, detection component 7 is used for detecting the coal raw materials after smashing.

Referring to fig. 1 and 2, a crushing cylinder 2 is vertically arranged, the bottom of the crushing cylinder 2 is of an open structure, a feeding pipe 21 is vertically arranged above the crushing cylinder 2, the feeding pipe 21 is located at the axis of the crushing cylinder 2, material distributing pipes 22 are symmetrically arranged on two sides of the feeding pipe 21, the two material distributing pipes 22 are located in the same vertical plane, one ends of the two material distributing pipes 22 are fixedly connected with the bottom end of the feeding pipe 21, and the other ends of the two material distributing pipes 22 are inclined downwards towards the direction close to the crushing cylinder 2 and are communicated with the inside of the crushing cylinder 2; referring to fig. 3, the first pulverizing assembly 3 includes a first motor 31 and a first roller 32, the first motor 31 is installed on the top surface of the pulverizing cylinder 2, and an output shaft of the first motor 31 penetrates through the top surface of the pulverizing cylinder 2 and is arranged coaxially with the pulverizing cylinder 2; the first roller 32 is coaxially arranged in the crushing barrel 2, the first roller 32 is positioned at the top of the crushing barrel 2 and between the two material distributing pipes 22, and the first roller 32 is fixedly connected with the output shaft of the motor; the top surface of the first roller 32 is fixedly provided with a protective layer which is abutted against the top surface of the crushing barrel 2; the first roller 32 is wound with a hob 33 by itself, and the hob 33 is fixedly connected with the first roller 32.

Pouring the coal raw material from the feeding pipe 21, then entering the crushing barrel 2 through the material distributing pipe 22, simultaneously starting the first motor 31, driving the first roller 32 to rotate in the horizontal direction by the output shaft of the first motor 31, driving the hob 33 to rotate by the first roller 32, and enabling the rotary hob 33 to cut the coal raw material, thereby completing the crushing of the coal raw material in the horizontal direction; when first cylinder 32 rotated, the protective layer of first cylinder 32 top surface setting can avoid first cylinder 32 and crushing barrel 2 direct contact, and then avoids first cylinder 32 and crushing barrel 2 all to produce the damage to the life of the coal quality detection device based on X ray multielement analyzer has been improved.

Referring to fig. 3, the second crushing assembly 4 comprises a second motor 41 and a fixing plate 43, the cross section of the fixing plate 43 is circular, the fixing plate 43 is coaxially arranged in the crushing cylinder 2 and is positioned below the first roller 32, the top surface of the fixing plate 43 inclines downwards along the direction close to the axis of the fixing plate 43, and the fixing plate 43 is fixedly connected with the crushing cylinder 2; a through groove 431 is formed in the axis of the top surface of the fixing plate 43, the cross section of the through groove 431 is rectangular, and the through groove 431 penetrates through the fixing plate 43 in the vertical direction; a second roller 42 is horizontally arranged in the through groove 431, one end of the second roller 42 in the length direction extends towards the outside of the crushing cylinder 2 along the length direction, and the second roller 42 is rotationally connected with the crushing cylinder 2 and the fixing plate 43; the side surface of the second roller 42 is also provided with a hob 33 in a winding way along the length direction of the second roller, and the hob 33 is fixedly connected with the second roller 42; the second motor 41 is installed on one side of the pulverizing barrel 2 and located at one end of the second roller 42, and the output shaft of the motor is coaxially arranged with the second roller 42 and fixedly connected with the second roller 42.

Second motor 41 starts simultaneously with first motor 31, the coal raw materials accomplishes the first back of smashing, drop to fixed plate 43 on the top surface, slide towards the direction that is close to logical groove 431 under the effect of self gravity simultaneously, make the coal raw materials get into logical inslot 431, second motor 41 output shaft drives second cylinder 42 and rotates on vertical direction this moment, second cylinder 42 drives hobbing cutter 33 and rotates, make pivoted hobbing cutter 33 cut the coal raw materials, thereby accomplish the crushing of coal raw materials on vertical direction.

Referring to fig. 3 and 4, a filter assembly 5 is arranged between the crushing cylinder 2 and the base 1, the filter assembly 5 comprises a collecting cylinder 51, the cross section of the collecting cylinder 51 is the same as that of the crushing cylinder 2, the top of the collecting cylinder 51 is of an open structure, the collecting cylinder 51 is coaxially arranged below the crushing cylinder 2, the collecting cylinder 51 is in a necking shape from top to bottom, the top of the collecting cylinder 51 is abutted against the bottom of the crushing cylinder 2, and the collecting cylinder 51 is fixedly connected with the crushing cylinder 2 through bolts; a discharge chute 511 is formed in the bottom surface of the collecting cylinder 51, the discharge chute 511 and the collecting cylinder 51 are coaxially arranged and penetrate through the bottom surface of the collecting cylinder 51 along the vertical direction, and a filter plate 52 is fixedly arranged in the discharge chute 511; the discharging pipe 53 is vertically arranged below the discharging groove 511, the discharging pipe 53 and the collecting barrel 51 are coaxially arranged and fixedly connected with the collecting barrel 51, and the discharging pipe 53 is provided with a valve 531.

In the coal raw materials gets into the surge drum 51 after the completion of second time crushing, the coal raw materials that get into in the surge drum 51 slides towards the direction that is close to the blown down tank 511 under the effect of self gravity, and the coal raw materials slides on the filter 52 that sets up to the blown down tank 511 in, smashes qualified coal raw materials and passes through the filter 52 and enter into the discharging pipe 53 in, smash unqualified coal raw materials and stay in the surge drum 51, and open valve 531 when second motor 41 starts.

Referring to fig. 3 and 4, a stirring assembly 6 is arranged between the discharging pipe 53 and the base 1, the stirring assembly 6 comprises a mounting box 61, a third motor 66 and a stirring rod 65, the mounting box 61 is horizontally arranged below the discharging pipe 53, the longitudinal section of the inside of the mounting box 61 is circular, and the mounting box 61 is fixedly arranged on the base 1; the stirring rod 65 is coaxially arranged in the mounting box 61, and the stirring rod 65 is rotatably connected with the mounting box 61; a plurality of stirring blades 651 are symmetrically arranged on two sides of the stirring rod 65 and are positioned on the same plane, and the stirring blades 651 are long strips; one end of the stirring rod 65 close to the second motor 41 extends towards the outside of the mounting box 61 along the length direction of the stirring rod, the third motor 66 is mounted at one end of the mounting box 61 close to the second motor 41 along the length direction, and an output shaft of the third motor 66 is coaxially arranged with the stirring rod 65 and fixedly connected with the stirring rod 65; a feeding groove 611 is formed in the top surface of the installation box 61, the feeding groove 611 is arranged opposite to the discharging groove 511, and the feeding groove 611 penetrates through the top surface of the installation box 61 in the vertical direction; the top surface of the mounting box 61 is horizontally provided with an air cylinder 62 and a sliding plate 63, the air cylinder 62 is close to one end of the mounting box 61 far away from the third motor 66, the length direction of the air cylinder 62 is the same as that of the stirring rod 65, the cylinder 62 is fixedly connected with the mounting box 61, the piston rod of the air cylinder 62 is fixedly connected with the sliding plate 63, the sliding plate 63 covers the feeding groove 611 and is positioned between the discharging pipe 53 and the feeding groove 611, and the sliding plate 63 is slidably connected with the mounting box 61 along the length direction of the mounting box 61.

Start cylinder 62 when valve 531 is opened, cylinder 62 piston rod drives sliding plate 63 along the direction removal of keeping away from feed chute 611, make the coal raw materials in discharging pipe 53 enter into install bin 61 through feed chute 611 in, treat that it all gets into the back to smash qualified coal raw materials, restart cylinder 62 again, cylinder 62 drives sliding plate 63 and gets back to the normal position, start third motor 66 this moment, third motor 66 output shaft drives puddler 65 and begins to rotate, puddler 65 drives stirring leaf 651 and rotates, make stirring leaf 651 stir the coal raw materials in the install bin 61, with kibbling coal raw materials misce bene, make more comprehensive that the coal raw materials can be detected, thereby further improved the accuracy of coal raw materials testing result.

Referring to fig. 2, a discharge pipe 64 is fixedly arranged at one end of the mounting box 61 far away from the third motor 66, one end of the discharge pipe 64 is communicated with the inside of the mounting box 61, the other end of the discharge pipe 64 inclines downwards towards the direction close to the base 1, and a valve 531 is also arranged on the discharge pipe 64; the detection assembly 7 is arranged on the base 1, the detection assembly 7 comprises a laser detection analyzer 71 and a detection box 72, the detection box 72 is horizontally arranged on the base 1, the top of the detection box 72 is of an open structure, the detection box 72 is positioned at one end, far away from the third motor 66, of the installation box 61, the detection box 72 is fixedly connected with the base 1, and one end, far away from the installation box 61, of the discharge pipe 64 is positioned above the detection box 72; the laser detection analyzer 71 is located on one side of the crushing cylinder 2 close to the detection box 72 and above the detection box 72, and the laser detector is fixedly connected with the crushing cylinder 2.

After the coal raw materials are stirred, the valve 531 on the discharge pipe 64 is opened, so that the coal raw materials enter the detection box 72 from the installation box 61, and meanwhile, the laser detector is started and detects the qualified coal raw materials which are uniformly mixed in the detection box 72.

The implementation principle of the coal quality detection device based on the X-ray multi-element analyzer in the embodiment of the application is as follows: pouring the coal raw material from the feeding pipe 21, then entering the crushing barrel 2 through the material distributing pipe 22, simultaneously starting the first motor 31, driving the first roller 32 to rotate in the horizontal direction by the output shaft of the first motor 31, driving the hob 33 to rotate by the first roller 32, and enabling the rotary hob 33 to cut the coal raw material, thereby completing the crushing of the coal raw material in the horizontal direction; the second motor 41 and the first motor 31 are started simultaneously, the coal raw material falls onto the top surface of the fixing plate 43 after being crushed for the first time, and slides towards the direction close to the through groove 431 under the action of self gravity, so that the coal raw material enters the through groove 431, at the moment, the output shaft of the second motor 41 drives the second roller 42 to rotate in the vertical direction, the second roller 42 drives the hob 33 to rotate, the rotating hob 33 cuts the coal raw material, and the crushing of the coal raw material in the vertical direction is completed; after the coal raw material is crushed for the second time, the coal raw material enters the collecting barrel 51, the coal raw material entering the collecting barrel 51 slides towards the direction close to the discharging groove 511 under the action of self gravity, the coal raw material slides onto the filter plate 52 arranged in the discharging groove 511, the coal raw material which is qualified in crushing enters the discharging pipe 53 through the filter plate 52, the coal raw material which is unqualified in crushing is remained in the collecting barrel 51, and the valve 531 is opened when the second motor 41 is started; the valve 531 is opened and the air cylinder 62 is started, a piston rod of the air cylinder 62 drives the sliding plate 63 to move in the direction away from the feeding groove 611, so that the coal raw material in the discharging pipe 53 enters the installation box 61 through the feeding groove 611, after all the qualified coal raw material to be crushed enters, the air cylinder 62 is started again, the air cylinder 62 drives the sliding plate 63 to return to the original position, at the moment, the third motor 66 is started, an output shaft of the third motor 66 drives the stirring rod 65 to start rotating, the stirring rod 65 drives the stirring blade 651 to rotate, the stirring blade 651 stirs the coal raw material in the installation box 61, the crushed coal raw material is uniformly mixed, the coal raw material can be detected more comprehensively, and the accuracy of a coal raw material detection result is further improved; after the coal raw materials are stirred, the valve 531 on the discharging pipe 64 is opened, so that the coal raw materials enter the detection box 72 from the installation box 61, and meanwhile, the laser detector is started and detects the qualified coal raw materials which are uniformly mixed in the detection box 72.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a coal quality detection device based on X ray multielement analyzer which characterized in that: the coal crushing device comprises a crushing barrel, wherein the crushing barrel (2) is vertically arranged, a feeding pipe (21) is fixedly arranged on the top surface of the crushing barrel (2), a first crushing assembly (3) and a second crushing assembly (4) are arranged on the crushing barrel (2), the first crushing assembly (3) is used for crushing coal raw materials in the horizontal direction, and the second crushing assembly (4) is used for crushing the coal raw materials in the vertical direction.

2. The coal quality detection device based on the X-ray multi-element analyzer as claimed in claim 1, characterized in that: the first crushing assembly (3) comprises a first motor (31) and a first roller (32), the first motor (31) is installed on the top surface of the crushing barrel (2), and an output shaft of the first motor (31) penetrates through the top surface of the crushing barrel (2) and is coaxially arranged with the crushing barrel (2); the first roller (32) is coaxially arranged in the crushing barrel (2), the top surface of the first roller (32) is abutted against the top surface of the crushing barrel (2), and the first roller (32) is fixedly connected with an output shaft of the first motor (31); the side surface of the first roller (32) is wound with a hob (33) from top to bottom, and the hob (33) is fixedly connected with the first roller (32).

3. The coal quality detection device based on the X-ray multi-element analyzer as claimed in claim 2, characterized in that: the second crushing assembly (4) comprises a second motor (41) and a fixing plate (43), the fixing plate (43) is coaxially arranged in the crushing barrel (2) and is positioned below the first roller (32), the fixing plate (43) is fixedly connected with the crushing barrel (2), a through groove (431) is formed in the axis of the top surface of the fixing plate (43), the through groove (431) penetrates through the fixing plate (43) along the vertical direction, a second roller (42) is horizontally arranged in the through groove (431), and the second roller (42) is rotatably connected with the fixing plate (43); the side surface of the second roller (42) is also provided with a hob (33) in a winding way along the length direction of the second roller, and the hob (33) is fixedly connected with the second roller (42); second cylinder (42) length direction one end extends towards crushing barrel (2) outside along self length direction, and second motor (41) are installed on crushing barrel (2) lateral wall, and second motor (41) are located the one end that second cylinder (42) extend, and second motor (41) output shaft and second cylinder (42) coaxial setting, and with second cylinder (42) fixed connection.

4. The coal quality detection device based on the X-ray multi-element analyzer as claimed in claim 3, characterized in that: a filtering component (5) is arranged below the crushing barrel (2), the filtering component (5) comprises a collecting barrel (51), the collecting barrel (51) is arranged below the crushing barrel (2), and the collecting barrel (51) is detachably connected with the crushing barrel (2) and is communicated with the inside of the crushing barrel (2); a discharge chute (511) is formed in the bottom surface of the collecting barrel (51), and penetrates through the bottom surface of the collecting barrel (51) along the vertical direction, and a filter plate (52) is fixedly arranged in the discharge chute (511); a discharge pipe (53) is vertically arranged below the discharge chute (511) and is fixedly connected with the collecting barrel (51).

5. The coal quality detection device based on the X-ray multi-element analyzer as claimed in claim 4, wherein: a stirring assembly (6) is arranged below the filtering assembly (5), the stirring assembly (6) comprises an installation box (61), a third motor (66) and a stirring rod (65), the installation box (61) is horizontally arranged below the discharge pipe (53), and the installation box (61) is fixedly arranged on the base (1); the stirring rod (65) is horizontally arranged in the mounting box (61), and the stirring rod (65) is rotatably connected with the mounting box (61); a plurality of stirring blades (651) are symmetrically arranged on two sides of the stirring rod (65), one end, close to the second motor (41), of the stirring rod (65) extends towards the outside of the mounting box (61) along the length direction of the stirring rod, and is fixedly connected with an output shaft of a third motor (66), and the third motor (66) is mounted on the mounting box (61); a feeding groove (611) is formed in the top surface of the installation box (61), the feeding groove (611) is opposite to the discharging groove (511), and the feeding groove (611) penetrates through the top surface of the installation box (61) in the vertical direction.

6. The coal quality detection device based on the X-ray multi-element analyzer as claimed in claim 4, wherein: the collecting cylinder (51) is in a necking shape from top to bottom, and the discharge chute (511) and the collecting cylinder (51) are coaxially arranged.

7. The coal quality detection device based on the X-ray multi-element analyzer as claimed in claim 2, characterized in that: the top surface of the first roller (32) is fixedly provided with a protective layer which is abutted against the top surface of the crushing barrel (2).

8. The coal quality detection device based on the X-ray multi-element analyzer as claimed in claim 3, characterized in that: the top surface of the fixing plate (43) inclines downwards along the direction close to the through groove (431).