Pre-drying module suitable for coal sample automatic processing line

Abstract

The utility model relates to a pre-drying module suitable for a coal sample automatic processing line, which comprises a control box, an equipment installation frame, a pre-drying line, a drying fan and a lifting rod, the control box is fixedly installed on the side edge of the equipment installation frame, the pre-drying line is arranged in the equipment installation frame, the pre-drying line further comprises the drying fan, a drying assembly and a weighing container, and the lifting rod is arranged on the drying assembly. A drying assembly is fixedly installed on the upper portion in the equipment installation frame, a drying fan is fixedly installed on the upper portion of the drying assembly through a support and connected with the drying assembly through a pipeline, and a feeding hopper is installed on the upper surface, close to the end, of a drying box of the drying assembly. According to the coal sample pre-drying device, coal samples can be pre-dried, the follow-up coal sample processing efficiency can be effectively improved, and the working pressure of drying equipment is relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coal sample monitoring, in particular to a pre-drying module suitable for coal sample automatic processing line. BACKGROUND

[0002] Coal sample contains moisture when being sent for inspection, which affects the accuracy of the coal sample calorific value test results, in order to prevent coal sample caking and water content, and ensure the accuracy of subsequent detection results, therefore, the coal sample needs to be dried, and the coal sample needs to be pre-dried before drying, the existing pre-drying equipment mainly blows hot air into the drying box to remove the moisture in the coal sample, but this method can only remove the moisture of the surface coal sample, and the drying effect of the lower layer coal sample is poor.

[0003] At present, the utility model discloses a kind of coal sample drying device with patent announcement No.CN204027286U, the device includes: box, stirring unit, material conveying unit, power unit, unloading unit.The feeding of above-mentioned feeding cylinder is completed drying in the drying box, and is conveyed out of material by the material conveying unit.Realize the automatic drying of material, thereby improve the efficiency of drying and reduce the probability of error.

[0004] From the above disclosed technical content, as prior art, announcement No.CN204027286U of the utility model is fed by feeding cylinder, and is completed drying in drying box, and is conveyed out of material by material conveying unit.Realize the automatic drying of material, thereby improve the efficiency of drying and reduce the probability of error, but in actual use, material cannot be weighed, material cannot be flattened, and coal sample cannot be dried more completely. UTILITY MODEL CONTENT

[0005] In view of the problems existing in the above-mentioned prior art, the utility model provides a pre-drying module suitable for coal sample automatic processing line, which can realize the pre-drying of coal sample, can effectively improve the efficiency of subsequent coal sample processing, and reduce the working pressure of drying equipment.

[0006] In order to achieve the above object, the utility model, suitable for coal sample automatic processing line's pre -drying module, including control box, equipment installation frame, pre -drying line, drying fan and lifting rod, equipment installation frame side fixed mounting control box, equipment installation frame inside is equipped with pre -drying line, pre -drying line still include drying fan, drying assembly and weighing container, the upper part of equipment installation frame is fixedly installed drying assembly, drying assembly upper portion is fixedly installed drying fan through support, drying fan is connected drying assembly through pipeline, the upper surface of drying box of drying assembly is installed feed hopper near the end, the lower side of feed hopper is opposite the built -in ventilation drying conveyer belt of drying box, the lower surface of the upper row of ventilation drying conveyer belt is attached and set down wind cover, is connected drying fan through pipeline, the end of ventilation drying conveyer belt is opposite the baffle, the lower side of baffle is the unloading flow guide cylinder, the lower end of unloading flow guide cylinder is fixedly installed anti -spill cylinder, the lower part of drying box is installed scraping assembly with rectangular through -hole, the scraping blade of scraping assembly is attached and set the downward surface of ventilation drying conveyer belt, the lower side of unloading flow guide cylinder of drying assembly is opposite weighing container, weighing container moves back and forth on the conveying roller, fixedly installs weighing device under the conveying roller, the lower end of unloading flow guide cylinder is opposite weighing device, the side of feed hopper is installed by the uniform material rake of uniform material rake swing assembly drive.

[0007] In addition, the pre-drying module suitable for the coal sample automatic processing line according to the above embodiment of the utility model can also have the following additional technical features:

[0008] As a further improved scheme of the utility model, the uniform material rake swing assembly includes a swing drive motor, an eccentric wheel, a swing arm, a slide rail and a uniform material rake swing assembly base, the slide rail is fixedly installed on the upper part of the uniform material rake swing assembly base, the swing arm is movably installed on the slide rail through a sliding block, the swing drive motor is fixedly installed on the uniform material rake swing assembly base through a support, the output shaft of the swing drive motor is connected to the center of the eccentric wheel, the protrusions near the edge of the eccentric wheel are inserted into the grooves formed on the upper part of the swing arm, and the swing arm is fixedly installed with the uniform material rake at one end.

[0009] As a further improved scheme of the utility model, the weighing device includes a weighing contact frame, a contact frame bottom plate, an electronic scale and a lifting rod, the lower end of the lifting rod is fixedly connected with the equipment installation frame, the electronic scale is fixedly installed on the upper end of the lifting rod, the top of the electronic scale is fixedly connected with the contact frame bottom plate, and the upper surface of the contact frame bottom plate is provided with the weighing contact frame which can pass through the conveying roller at equal intervals.

[0010] As a further improved scheme of the utility model, the belt surface of the ventilation drying conveyer belt is provided with a seven-hundred-mesh gauze or a gauze with air-permeable function.

[0011] As a further improved scheme of the utility model, the lower wind cover is provided with a supporting roller.

[0012] As a further improved scheme of the present application, two or three pre-drying lines are arranged in the equipment mounting frame.

[0013] By the above scheme, the present application has at least the following advantages: compared with conventional pre-drying equipment, the airflow is allowed to pass through the coal sample spread on the ventilation drying conveyor belt 3-26 by means of negative pressure, and the moisture in the coal sample is taken away, so that the coal sample can be effectively pre-dried, the working pressure of the subsequent drying equipment is effectively reduced, and the accuracy of the coal sample detection result is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a perspective view of a pre-drying module for a coal sample automatic processing line;

[0015] Figure 2 is a side view of a pre-drying module for a coal sample automatic processing line;

[0016] Figure 3 is a perspective view of a drying assembly of a pre-drying module for a coal sample automatic processing line, which removes the discharging guide cylinder, the anti-overflow cylinder and the scraping assembly;

[0017] Figure 4 is a side view of a drying assembly of a pre-drying module for a coal sample automatic processing line;

[0018] Figure 5 is a perspective view of a material uniformizing rake swing assembly of a pre-drying module for a coal sample automatic processing line;

[0019] Figure 6 is a perspective view of a weighing device of a pre-drying module for a coal sample automatic processing line;

[0020] In the figure: 1, control box, 2, equipment mounting frame, 3, pre-drying line, 3-1, drying fan, 3-2, drying assembly, 3-21, feeding hopper, 3-22, material uniformizing rake, 3-23, material uniformizing rake swing assembly, 3-321, swing driving motor, 3-322, eccentric wheel, 3-323, swing arm, 3-324, sliding rail, 3-325, material uniformizing rake swing assembly base, 3-24, drying box, 3-25, lower air cover, 3-26, ventilation drying conveyor belt, 3-27, material blocking plate, 3-28, discharging guide cylinder, 3-29, anti-overflow cylinder, 3-210, scraping assembly, 3-3, weighing container, 3-4, conveying roller, 3-5, weighing device, 3-51, contact frame, 3-52, contact frame bottom plate, 3-53, electronic scale, 3-54, lifting rod. DETAILED DESCRIPTION

[0021] The pre-drying module for a coal sample automatic processing line of the present application will be described below with reference to the accompanying drawings.

[0022] In Embodiment 1 of this application, as Figures 1 to 4 As shown, this pre-drying module (hereinafter referred to as "the present invention") applicable to an automated coal sample processing line includes a control box 1, an equipment mounting frame 2, a pre-drying line 3, a drying fan 3-1, a drying component 3-2, a feed hopper 3-21, a material leveling rake 3-22, a material leveling rake swing component 3-23, a swing drive motor 3-321, an eccentric wheel 3-322, a swing arm 3-323, a slide rail 3-324, a material leveling rake swing component base 3-325, a drying box 3-24, a lower air hood 3-25, a ventilated drying conveyor belt 3-26, a baffle plate 3-27, and a discharge guide cylinder 3. -28, Overflow prevention cylinder 3-29, Scraper assembly 3-210, Weighing container 3-3, Conveying roller 3-4, Weighing device 3-5, Weighing contact frame 3-51, Contact frame base plate 3-52, Electronic scale 3-53, Lifting rod 3-54. The control box 1 is fixedly installed on the side of the equipment mounting frame 2. A pre-drying line 3 is provided inside the equipment mounting frame 2. The pre-drying line 3 also includes a drying fan 3-1, a drying assembly 3-2, and a weighing container 3-3. The drying assembly 3-2 is fixedly installed at the upper part inside the equipment mounting frame 2, and the upper part of the drying assembly 3-2 is fixed by a bracket. Install a drying fan 3-1, which is connected to the drying assembly 3-2 via a pipeline. A feed hopper 3-21 is installed near the end of the upper surface of the drying chamber 3-24 of the drying assembly 3-2. Below the feed hopper 3-21 is the ventilated drying conveyor belt 3-26 built into the drying chamber 3-24. A lower air hood 3-25 is fitted onto the lower surface of the upper section of the ventilated drying conveyor belt 3-26 and connected to the drying fan 3-1 via a pipeline. The end of the ventilated drying conveyor belt 3-26 is directly opposite a baffle plate 3-27. Below the baffle plate 3-27 is a discharge guide cylinder 3-28. The end is fixed with an anti-overflow cylinder 3-29. A rectangular through hole is opened at the bottom of the drying box 3-24 to install a scraper assembly 3-210. The scraper of the scraper assembly 3-210 is in contact with the downward surface of the ventilation and drying conveyor belt 3-26. The weighing container 3-3 is symmetrically positioned below the discharge guide cylinder 3-28 of the drying assembly 3-2. The weighing container 3-3 moves back and forth on the conveyor roller 3-4. The weighing device 3-5 is fixedly installed below the conveyor roller 3-4. The weighing device 3-5 is symmetrically positioned at the bottom of the discharge guide cylinder 3-28. A material leveling rake 3-22 driven by the material leveling rake swing assembly 3-23 is installed on the side of the feed hopper 3-21.

[0023] The utility model discloses a kind of coal sample drying device (hereinafter referred to as "the patent"), by the feeding of feeding cylinder, drying is completed in drying cabinet, and material conveying unit is conveyed out of material. Realize the automatic drying of material, to improve the efficiency of drying and reduce the probability of error, but in actual use, material cannot be weighed, material cannot be flattened, and coal sample cannot be dried more completely, and the present application passes through the way of negative pressure, let airflow pass through coal sample spread on ventilation drying conveyor belt 3-26, take away moisture therein, can effectively pre-dry coal sample, effectively reduce the working pressure of subsequent drying equipment, ensure that coal sample detection result is accurate.

[0024] The second embodiment is basically the same as the first embodiment in structure, and the difference lies in that, as shown in Figure 5 And Figure 6 The uniform material rake swinging assembly 3-23 includes a swinging drive motor 3-321, an eccentric wheel 3-322, a swinging arm 3-323, a sliding rail 3-324 and a uniform material rake swinging assembly base 3-325. The sliding rail 3-324 is fixedly installed on the upper part of the uniform material rake swinging assembly base 3-325. The swinging arm 3-323 is movably installed on the sliding rail 3-324 through a sliding block. The swinging drive motor 3-321 is fixedly installed on the uniform material rake swinging assembly base 3-325 through a support. The output shaft of the swinging drive motor 3-321 is connected to the center of the eccentric wheel 3-322. The protrusion near the edge of the eccentric wheel 3-322 is inserted into the sliding groove formed in the upper part of the swinging arm 3-323. The uniform material rake 3-22 is fixedly installed at one end of the swinging arm 3-323. The weighing device 3-5 includes a weighing contact frame 3-51, a contact frame bottom plate 3-52, an electronic scale 3-53 and a lifting rod 3-54. The lower end of the lifting rod 3-54 is fixedly connected to the equipment mounting frame 2. The upper end of the lifting rod 3-54 is fixedly installed with the electronic scale 3-53. The top of the electronic scale 3-53 is fixedly connected to the contact frame bottom plate 3-52. The weighing contact frame 3-51, which can pass through the conveying roller 3-4, is arranged on the upper surface of the contact frame bottom plate 3-52 at equal intervals.

[0025] In order to further optimize the work efficiency of the present application and ensure that the coal sample will not pass through the ventilation drying conveyor belt 3-26, the belt surface of the ventilation drying conveyor belt 3-26 is provided with a seven-hundred-mesh gauze or a gauze with air permeability. In order to prevent the ventilation drying conveyor belt 3-26 from collapsing, the lower air duct 3-25 is provided with a supporting roller. In order to further improve the pre-drying efficiency, two or three pre-drying lines 3 are arranged in the equipment mounting frame 2.

[0026] In use, the pre-drying module suitable for the coal sample automatic processing line is installed on the pre-treatment module mounting position of the coal sample automatic processing line, and the corresponding pipeline equipment is connected, and the operation can be put into operation.

[0027] The utility model discloses in using, specific work is as follows:

[0028] When using, the mechanical arm of coal sample automatic processing line pours the coal sample in the coal sample bucket into the feed hopper 3-21, when the ventilation drying conveying belt 3-26 works, the coal sample is conveyed to the discharging guide cylinder 3-28, in the conveying process, the swing driving motor 3-321 of the uniform material rake swing assembly 3-23 drives the eccentric wheel 3-322 to rotate, when the eccentric wheel 3-322 rotates, the convex on it drives the swing arm 3-323 to reciprocate along the slide rail 3-324, makes the uniform material rake 3-22 flatten the coal sample initially, then the gap between the lower side of the feed hopper 3-21 and the ventilation drying conveying belt 3-26 will flatten the coal sample, the flattened coal sample passes through the lower air hood 3-25 under the action of the upper belt of the ventilation drying conveying belt 3-26, the suction of the drying fan 3-1 lets the air pass through the coal sample and the ventilation drying conveying belt 3-26, and then the moisture is discharged outside the equipment, after pre-drying, the coal sample passes through the discharging guide cylinder 3-28 and the anti-overflowing cylinder 3-29 and enters the weighing container 3-3 which is lifted by the lifting rod 3-54 and the weighing contact frame 3-51 of the weighing device 3-5 below, the weighing container 3-3 is connected with the anti-overflowing cylinder 3-29, when loading the coal sample, the electronic scale 3-53 monitors the weight of the weighing device 3-5 and the coal sample in it at any time, after reaching the set weight, the lifting rod 3-54 is retracted, the weighing contact frame 3-51 is retracted below the conveying roller 3-4, the weighing container 3-3 contacts the conveying roller 3-4, and the conveying roller 3-4 can move the weighing container 3-3 to the working range of the mechanical hand, and the weighing container 3-3 is transferred to the temporary storage rack by the mechanical hand.

[0029] In conclusion, the pre-drying module suitable for the coal sample automatic processing line can let the airflow pass through the coal sample spread on the ventilation drying conveying belt 3-26 by the negative pressure mode, carries away the moisture in the coal sample, can effectively pre-dry the coal sample, effectively reduces the working pressure of the subsequent drying equipment, and ensures the accuracy of the coal sample detection result.

[0030] Those skilled in the art will understand that the discussion of any of the above examples is merely exemplary and is not intended to limit the scope of the application to these examples; under the concept of the application, the technical features of the above examples or different examples can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the application as described above. In order to be brief, they are not provided in details. Any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application shall be included in the protection scope of the application.

Claims

1. A pre-drying module suitable for a coal sample automatic processing line, comprising a control box (1) and a device mounting frame (2), the control box (1) is fixedly installed on the side of the device mounting frame (2), and a pre-drying line (3) is arranged in the device mounting frame (2), characterized in that, The pre-drying line (3) further comprises a drying fan (3-1), a drying assembly (3-2) and a weighing container (3-3), the drying assembly (3-2) is fixedly installed at the upper part inside the equipment mounting frame (2), the drying fan (3-1) is fixedly installed on the upper part of the drying assembly (3-2) through a support, the drying fan (3-1) is connected with the drying assembly (3-2) through a pipeline, a feeding hopper (3-21) is installed on the upper surface of a drying box (3-24) of the drying assembly (3-2) near the end, a ventilation drying conveying belt (3-26) built-in the drying box (3-24) is opposite to the feeding hopper (3-21) below, a lower surface of an uplink belt of the ventilation drying conveying belt (3-26) is attached with a lower air baffle (3-25), the ventilation drying conveying belt (3-26) is connected with the drying fan (3-1) through a pipeline, the ventilation drying conveying belt (3-26) is opposite to a material blocking plate (3-27) at the end, a material discharging flow guide cylinder (3-28) is below the material blocking plate (3-27), a spill-proof cylinder (3-29) is fixedly sleeved on the lower end of the material discharging flow guide cylinder (3-28), a material scraping assembly (3-210) is installed on the lower part of the drying box (3-24) through a rectangular through hole, a scraping plate of the material scraping assembly (3-210) is attached with a downlink surface of the ventilation drying conveying belt (3-26), the material discharging flow guide cylinder (3-28) of the drying assembly (3-2) is opposite to the weighing container (3-3) below, the weighing container (3-3) moves back and forth on a conveying roller (3-4), a weighing device (3-5) is fixedly installed below the conveying roller (3-4), the material discharging flow guide cylinder (3-28) is opposite to the weighing device (3-5) at the lower end, a uniform material rake (3-22) driven by a uniform material rake swinging assembly (3-23) is installed on the side of the feeding hopper (3-21).

2. The pre-drying module suitable for the automatic processing line of coal samples according to claim 1, characterized in that, The uniform material rake swinging assembly (3-23) comprises a swinging drive motor (3-321), an eccentric wheel (3-322), a swinging arm (3-323), a sliding rail (3-324) and a uniform material rake swinging assembly base (3-325), the sliding rail (3-324) is fixedly installed on the upper part of the uniform material rake swinging assembly base (3-325), the swinging arm (3-323) is movably installed on the sliding rail (3-324) through a sliding block, the swinging drive motor (3-321) is fixedly installed on the uniform material rake swinging assembly base (3-325) through a support, an output shaft of the swinging drive motor (3-321) is connected to the center of the eccentric wheel (3-322), a protrusion near the edge of the eccentric wheel (3-322) is inserted into a sliding groove formed on the upper part of the swinging arm (3-323), the swinging arm (3-323) is fixedly installed with the uniform material rake (3-22) at one end.

3. The pre-drying module suitable for the automatic coal sample processing line according to claim 2, characterized in that, The weighing device (3-5) comprises a weighing contact frame (3-51), a contact frame bottom plate (3-52), an electronic scale (3-53) and a lifting rod (3-54), the lower end of the lifting rod (3-54) is fixedly connected with the equipment mounting frame (2), the upper end of the lifting rod (3-54) is fixedly installed with the electronic scale (3-53), the top of the electronic scale (3-53) is fixedly connected with the contact frame bottom plate (3-52), and the upper surface of the contact frame bottom plate (3-52) is provided with the weighing contact frame (3-51) which can pass through the conveying roller (3-4) at equal intervals.

4. The pre-drying module suitable for use in an automated coal sample processing line according to claim 1, characterized in that, The belt surface of the ventilation drying conveying belt (3-26) is a seven-hundred-mesh gauze or a gauze with air permeability.

5. The pre-drying module suitable for use in an automated coal sample processing line according to claim 4, characterized in that, The lower air cover (3-25) is provided with a supporting roller.

6. The pre-drying module suitable for use in an automated coal sample processing line according to claim 1, characterized in that, Two or three pre-drying lines (3) are arranged in the equipment mounting frame (2).

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