Cleaning device of sample preparation equipment

Abstract

The utility model relates to the technical field of coal sample preparation, in particular to a cleaning device of sample preparation equipment, which comprises a mixing bin, a vibrator is fixedly arranged on the outer side of the mixing bin, an air blowing mechanism is arranged at an observation port above the mixing bin, and the air blowing mechanism is used for spraying high-pressure air. The air blowing mechanism comprises an air compressor, the air compressor is connected with an air pipe, and an air blowing nozzle is arranged at the air outlet end of the air pipe. According to the utility model, the vibrator is arranged on the outer wall of the mixing stock bin, the mixing stock bin is vibrated, large-area accumulated coal adhered to the inner wall of the mixing stock bin is vibrated off, and then high-pressure gas sprayed by the blowing mechanism is utilized to purge residual powdery coal and blow off residual samples, so that the phenomenon of cross contamination among the samples is avoided; and the problem of inaccuracy of a detection result caused by existence of a residual sample is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal sample preparation technical field especially is related to a kind of cleaning device of sample preparation equipment. BACKGROUND

[0002] Coal is a kind of complex composition and property and inhomogeneous substance, and the indexes such as ash content, sulfur content, volatile matter, calorific value may exist great difference in different parts. If directly analyzing original coal sample, due to its inhomogeneity, the quality characteristics of whole batch of coal may not be accurately reflected. By sample preparation, original coal sample can be treated into representative small sample, thereby laying foundation for accurate laboratory analysis.

[0003] By mixing and sub-sampling coal during sample preparation, appropriate sample can be obtained from a large amount of material, which can represent the quality of the whole material in terms of composition, property and the like. Sub-sampling machine can accurately sub-sample a large amount of coal sample, so as to ensure that the sample taken can represent the quality of whole batch of coal sampled, and provide reliable sample for subsequent coal quality detection (such as ash content, sulfur content, calorific value determination and the like). When sub-sampling machine works continuously, part of sample may be left on sample preparation equipment after current coal sample is discharged, which may cause cross contamination to next sample and affect the accuracy of sample detection result. UTILITARY MODEL

[0004] The utility model aims at providing a kind of cleaning device of sample preparation equipment, which can solve the above technical problems.

[0005] The utility model provides a kind of cleaning device of sample preparation equipment, including mixing bin, the vibrator is fixed on the outside of mixing bin, the observation port at the top of mixing bin is equipped with blowing mechanism, and the blowing mechanism is used to spray high-pressure gas.

[0006] Further, the outside of the mixing bin is provided with two vibrators, and the two vibrators are symmetrically distributed on both sides of the mixing bin.

[0007] Further, the blowing mechanism includes air compressor, the air compressor is connected with air pipe, and the air outlet end of the air pipe is provided with blowing nozzle. Blowing nozzle can spray compressed air at high speed, and use the impact force of air flow to blow impurities away from the surface of object.

[0008] Further, the air pipe is provided with first electromagnetic valve.

[0009] Further, the vibrator adopts pneumatic vibrator, and the power of the pneumatic vibrator comes from compressed air generated by the air compressor. The working principle of pneumatic vibrator is mainly to use the power generated by compressed air to make the components of vibrator produce regular motion, thereby generating vibration force.

[0010] Further, the air compressor is connected with the pneumatic vibrator through a pipeline, and a second electromagnetic valve is arranged on the pipeline.

[0011] Further, a conveying device for conveying materials is arranged below the mixing bin.

[0012] Further, the conveying device is a belt conveyor.

[0013] Further, the air pipe is two and is made of flexible rubber material, and the two air pipes are respectively used for blowing the inner wall of the mixing bin and the belt structure of the belt conveyor.

[0014] Further, an end of the belt conveyor is provided with a receiving barrel.

[0015] Beneficial effects:

[0016] The utility model discloses a vibrator is arranged on the outer wall of mixing bin, and the mixing bin is beaten, and the large area accumulated coal adhered on the inner wall of mixing bin is vibrated to fall, then the high pressure gas that blows out is used to the residual powdered coal of blowing mechanism and sweeps, and the residual sample is blown clean, avoids the generation of the cross contamination phenomenon between sample, and eliminates the problem of the inaccuracy of detection result due to the existence of residual sample. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in prior art, the following will briefly introduce the drawing needed to be used in the specific embodiment or prior art description, and obviously, the drawing in the following description is some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can also be obtained according to these drawings without creative labor.

[0018] Fig. 1 It is the working flow diagram of the utility model;

[0019] Fig. 2 It is the structure diagram of the utility model.

[0020] Mark explanation: 1 mixing bin, 2-pneumatic vibrator, 3-air compressor, 4-air pipe, 5-blowing nozzle, 601-first electromagnetic valve, 602-second electromagnetic valve, 7-belt conveyor, 8-receiving barrel. Specific embodiments

[0021] The technical solutions of the present application will be described clearly and completely in connection with the embodiments. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0022] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0023] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited. In addition, the terms "mounting", "connecting", "connection" should be broadly understood, for example, it can be fixedly connected, or detachably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Embodiment 1

[0025] A cleaning device of a sample preparation device, such as Figs. 1-2As shown, including the mixing bin 1, the outer side of the mixing bin 1 is fixedly provided with two pneumatic vibrators 2, and the two pneumatic vibrators 2 are symmetrically distributed on both sides of the mixing bin 1, and a gas blowing mechanism is arranged at the observation port above the mixing bin 1, the gas blowing mechanism is used for spraying high-pressure gas, the gas blowing mechanism comprises an air compressor 3, the air compressor 3 is connected with an air pipe 4, an air outlet end of the air pipe is provided with a gas blowing nozzle 5, the gas blowing nozzle 5 can spray compressed air at high speed, and the impingement force of the airflow is used for blowing impurities away from the surface of the object, and a first electromagnetic valve 601 is arranged on the air pipe 4 and is used for controlling the working state of the gas blowing nozzle 5. The power of the above-mentioned pneumatic vibrator 2 comes from the compressed air generated by the air compressor 3, and the working principle of the pneumatic vibrator 2 is mainly to use the power generated by the compressed air to make the components of the vibrator move regularly, so as to generate vibration force. In the embodiment, a GT10 pneumatic vibrator is adopted, and the working principle thereof is to use the high-pressure gas discharged by the air compressor to drive the internal turbine to rotate, so as to generate vibration. The air compressor 2 is connected with the pneumatic vibrator 2 through a pipeline, and a second electromagnetic valve 602 is arranged on the pipeline and is used for controlling the working state of the pneumatic vibrator 2.

[0026] In addition, a conveying device for conveying materials is arranged below the mixing bin 1, the conveying device is a belt conveyor 7, and an end of the belt conveyor 7 is provided with a receiving barrel 8. The air pipe 4 is provided with two and is made of flexible rubber material, and the two air pipes 4 are respectively used for blowing the inner wall of the mixing bin 1 and the belt structure of the belt conveyor 7.

[0027] Working and using process:

[0028] When the coal accumulates on the inner wall of the mixing bin 1 and the belt structure of the belt conveyor 7, the device is started, the air compressor 3 and the first electromagnetic valve 601 are first opened, so that the pneumatic vibrator 2 works, the mixing bin 1 is beaten, the large-area accumulated coal adhered to the inner wall of the mixing bin 1 is shaken off, then the first electromagnetic valve 601 is closed, then the second electromagnetic valve 602 is opened, the gas blowing nozzle 5 sprays high-pressure gas, the two gas blowing nozzles are respectively aimed at the inner wall of the mixing bin 1 and the surface of the belt structure, the gas blowing nozzle 5 blows the residual sample on the equipment clean, and the pneumatic vibrator and the gas blowing nozzle blow the equipment clean.

[0029] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A cleaning device for a sample preparation apparatus, characterized by The mixing bin is provided with an air blowing mechanism on the observation opening in the upper portion of the mixing bin, and the air blowing mechanism is used for spraying high pressure gas.

2. The cleaning device for a sample preparation apparatus according to claim 1, characterized by The mixing bin is provided with two vibrators, and the two vibrators are symmetrically distributed on both sides of the mixing bin.

3. The cleaning device for a sample preparation apparatus according to claim 1, wherein The air blowing mechanism comprises an air compressor, the air compressor is connected with an air pipe, and the air pipe is provided with an air blowing nozzle at the air outlet end.

4. The cleaning device for a sample preparation apparatus according to claim 3, characterized by The air pipe is provided with a first electromagnetic valve.

5. The cleaning device for a sample preparation apparatus according to claim 3, wherein The vibrator is a pneumatic vibrator, and the power of the pneumatic vibrator comes from the compressed air generated by the air compressor.

6. The cleaning device for sample preparation equipment according to claim 5, characterized in that The air compressor is connected with the pneumatic vibrator through a pipeline, and the pipeline is provided with a second electromagnetic valve.

7. The cleaning device for a sample preparation apparatus according to claim 3, wherein A conveying device for conveying materials is arranged below the mixing bin.

8. The cleaning device for sample preparation equipment according to claim 7, characterized in that The conveying device is a belt conveyor.

9. The cleaning device for sample preparation equipment according to claim 8, characterized in that The air pipe is made of flexible rubber material, and two air pipes are arranged for blowing the inner wall of the mixing bin and the belt structure of the belt conveyor.

10. The cleaning device for a sample preparation apparatus according to claim 8, wherein The end of the belt conveyor is provided with a material receiving barrel.

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