CN213591090U

CN213591090U - Device for removing light and soft impurities from clean coal products in coal preparation plant

Info

Publication number: CN213591090U
Application number: CN202022355936.XU
Authority: CN
Inventors: 郭培东; 刘华; 卢伟
Original assignee: Shanghai Zhuoxinda Biotechnology Co ltd
Current assignee: Shanghai Zhuoxinda Biotechnology Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-07-02
Anticipated expiration: 2030-10-21

Abstract

The device for removing the light and soft impurities from the clean coal products in the coal preparation plant comprises electric conveying belt equipment, a vibration motor, an air processor, a negative pressure cover and negative pressure generating equipment; a support plate is arranged at the lower side of the front upper end of the frame of the electric conveyor belt equipment, and a vibration motor is arranged at the lower end of the support plate; two sides of the front upper part of the frame are respectively provided with a fixed plate, and the negative pressure cover is arranged on the two fixed plates; the negative pressure generating equipment comprises a tank body, a negative pressure fan, an upper cover, a water drain valve and a transparent observation plate; the fan is arranged outside the upper end of the upper cover, one side of the upper part of the upper cover is provided with a communicating pipe, and an air inlet pipe of the fan is connected with the communicating pipe; the upper cover is arranged on the tank body, the upper part and the lower part of the side end of the tank body are respectively provided with a pipeline, and the pipeline at the upper side end of the tank body is connected with an air inlet pipe at the upper end of the negative pressure cover; the pipeline at the lower end of the tank body is connected with a water drain valve, water is filled in the tank body, and an exhaust pipe of the negative pressure fan is connected with an air inlet pipe of the air processor. This is novel can reach good light soft impurity and clear away the effect, and has guaranteed that the workman is healthy to market competition has been improved.

Description

Device for removing light and soft impurities from clean coal products in coal preparation plant

Technical Field

The utility model relates to a production facility technical field that the coal preparation plant used, especially a light soft impurity clearing device of clean coal product of coal preparation plant.

Background

The main work of coal preparation plants is to remove impurities (such as stones entering the coal) from raw coal or to classify high-quality coal and low-quality coal. In the coal dressing process, the light and soft impurities (such as feathers of birds, leaves, grass leaves and the like) entering the coal from the outside are also required to be removed, so that the quality of the coal after coal dressing is ensured. At present, when the existing coal preparation plant removes the light and soft impurities in the coal, a blowing device is generally arranged at the side end of an electric conveying belt device (conveying the coal to a storehouse and the like), the coal is conveyed on the conveying belt, and when the light and soft impurities in the coal pass through the blowing device, the wind power generated by the blowing device blows the light and soft impurities in the coal.

When light and soft impurities in coal are blown out by an existing blowing device, coal powder in the coal can be inevitably blown out in the air synchronously, so that the light and soft impurities, the coal powder and the like float in the air, the surrounding air environment can be influenced, and the health of workers is influenced. In addition, in practical situations, when the coal is conveyed by the conveyor belt, the coal seam has a certain thickness, and the blowing device can only blow the light and soft impurities on the surface of the coal seam, so that a good light and soft impurity removing effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

In order to overcome blast apparatus that current coal preparation factory used because of the structure limits, light soft impurity can lead to air pollution in cleaing away the coal, bring the influence to the workman is healthy, and can't effectively clear away the drawback of intraformational light soft impurity under the coal, the utility model provides an adopt the negative pressure mode to clear away the light soft impurity in the coal, reduced buggy and light soft impurity probability in getting into the air, and have vibrating device, can vibrate the coal through negative pressure cover lower extreme, make light soft impurity in the coal clear away by the negative pressure as far as possible, reach good light soft impurity and clear away the effect from this, and guaranteed the healthy clean coal preparation factory clean coal product light soft impurity clearing apparatus of workman.

The utility model provides a technical scheme that its technical problem adopted is:

the device for removing the light and soft impurities from the clean coal products in the coal preparation plant comprises electric conveyer belt equipment, a vibration motor and an air processor, and is characterized by also comprising a negative pressure cover and negative pressure generating equipment; a support plate is arranged at the lower side of the upper end of the rack of the electric conveyer belt equipment, a vibration motor is arranged at the lower end of the support plate, and the upper end of the support plate is contacted with the lower side of the upper conveyer belt of the electric conveyer belt equipment; the two sides of the upper part of the rack are respectively provided with a fixed plate, the interior of the negative pressure cover is of a hollow structure, the lower end of the negative pressure cover is provided with an air inlet, the upper end of the negative pressure cover is provided with an air inlet pipe, and the negative pressure cover is arranged on the fixed plates; the negative pressure generating equipment comprises a tank body, a negative pressure fan, an upper cover, a water drain valve and a transparent observation plate; the fan is arranged outside the upper end of the upper cover, a communicating pipe is arranged on one side of the upper part of the upper cover, and an air inlet pipe of the fan is connected with the communicating pipe; the upper cover is arranged on the tank body, the upper part and the lower part of the side end of the tank body are respectively provided with a pipeline, and the pipeline at the upper side end of the tank body is connected with the air inlet pipe at the upper end of the negative pressure cover; the pipeline at the lower end of the tank body is connected with a water drain valve, water is filled in the tank body, and an exhaust pipe of the negative pressure fan is connected with an air inlet pipe of the air processor.

Furthermore, there is the opening in the front side end middle part of jar body, and the observation board is sealed to be installed in the opening rear side.

Further, the longitudinal length of the lower end air inlet of the negative pressure cover is consistent with the width of the conveying belt of the electric conveying belt equipment.

Furthermore, the outer parts of the two side ends of the upper cover are respectively provided with an operating handle.

Furthermore, the pipeline at the upper side end of the tank body is positioned at an inclined angle from the inner part of the tank body to the inner lower part of the tank body.

Furthermore, the power input end of the negative pressure fan can adopt a voltage regulator to adjust the rotating speed of the negative pressure fan.

The utility model has the advantages that: this novel during operation, the internal air of jar is taken out in negative pressure fan work, and then, jar is internal, produce the negative pressure in the negative pressure cover, will follow-up constantly follow the light soft impurity in the electronic conveyer belt equipment conveyer belt upper portion motion coal and adsorb out to it is internal to get into jar, gets into jar internal a small amount of buggy and light soft impurity by jar internal water absorption, and few buggy and impurity are handled by air processor, have prevented like this that buggy and light soft impurity from getting into polluted environment in the air. In this is novel, vibrating motor can make the backup pad vibration, and the backup pad makes the conveyer belt upper portion vibration of the electronic conveyer belt equipment through the upper end, and the coal that is located the conveyer belt upper end can take place the vibration in step, and light soft impurity has increased the probability by the negative pressure suction because the vibration in the coal, makes light soft impurity in the coal clear away by the negative pressure as far as possible like this. This is novel can reach good light soft impurity and clear away the effect, and has guaranteed that the workman is healthy to product market competition has been improved. Based on the above, this is novel has good application prospect.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the whole and partial enlarged structure of the present invention.

Fig. 2 is a schematic view of a partial structure of the present invention.

Detailed Description

As shown in fig. 1 and 2, the device for removing light and soft impurities from clean coal products in a coal preparation plant comprises an electric conveyor belt device 1, a vibration motor 2 and an air processor (not shown in the figure and located in a workshop) used in the coal preparation plant, and further comprises a negative pressure cover 3 and a negative pressure generating device 5; a U-shaped support plate 4 is longitudinally welded on the lower side of the front upper end of a rack 101 of the electric conveying belt equipment (the front side end and the rear side end of the support plate 4 are respectively welded on the outer lower sides of baffles 102 on two side ends of the upper part of the rack of the electric conveying belt equipment), the support plate 4 is positioned between two conveying rollers 103 at the front end of the rack, the upper end of the support plate is contacted with the lower end of an upper conveying belt 104 at the front end of the rack, and a vibrating motor 2 is arranged in the middle of the lower end of the support plate 4 through a screw nut (the lower; the upper parts of the baffles on the two sides of the front upper part of the rack are respectively and vertically welded with a rectangular fixing plate 105, the lower end of the negative pressure cover 3 is rectangular, the middle part of the negative pressure cover is triangular, the inside of the negative pressure cover 3 is of a hollow structure, the middle part of the lower end is longitudinally distributed with a rectangular air inlet 31, the negative pressure cover 3 is longitudinally arranged on the two fixing plates 103, and the middle part of the upper end of the negative pressure cover 3 is vertically welded with an air inlet pipe 32 communicated with the; the negative pressure generating equipment 5 comprises a tank body 51 with an open upper end and a sealed lower end, an axial flow negative pressure fan 52 (finished axial flow negative pressure fan with working voltage of 380V and power of 3.5 KW), an upper cover 53, a water drain valve 54 (common gate valve) and a rectangular transparent toughened glass plate 55; the outer side of the upper end of the tank body 51 is provided with external threads, the lower end of the upper cover 53 is provided with internal threads, the shell of the fan 52 is transversely arranged in the middle of the outer side of the upper end of the upper cover 53 through a screw nut, the middle of the upper left end of the upper cover 53 is welded with a communicating pipe 56 communicated with the lower end of the upper cover, and the air inlet pipe of the fan 52 is connected with the communicating pipe 56 through a pipeline joint; the upper cover 53 is screwed into the external thread at the upper end of the tank body 51 and is arranged on the tank body 51, the left upper end and the right lower end of the tank body 51 are respectively welded with a pipeline 56 communicated with the inside of the tank body, and the pipeline at the left end of the tank body 51 and the air inlet pipe 32 at the upper end of the negative pressure cover are inserted and connected through a hose 57 with certain strength (the hose 57 cannot be deformed inwards due to the negative pressure generated by the negative pressure fan 52, and a metal pipe can be adopted to connect the pipeline 56 at the left end of the tank body and the air; a pipeline at the right side end of the tank body 51 is connected with a water inlet end of a water drain valve 54 through threads, water with a common depth is filled in the tank body 51, and an exhaust pipe of the negative pressure fan 52 is connected with an air inlet pipe of the air processor through a pipeline; the vibration motor 2, the power input end of the negative pressure fan 52 and a 380V alternating current power supply in the working area are connected through leads.

As shown in fig. 1 and 2, a rectangular opening 511 is formed in the middle of the front side end of the tank body from top to bottom, a plurality of fixing holes are formed in two ends of the rear side end of the opening 511 at a certain distance, a tempered glass plate 55 is sleeved in the front side end of a hollow rectangular fixing plate 512, a plurality of openings are formed in two side ends of the fixing plate 512 at a certain distance, the plurality of openings of the fixing plate 512 are aligned with the plurality of fixing holes on two sides of the opening respectively, the glass plate 55 is vertically installed on the front side of the tank body 51 through a plurality of screws which penetrate through the plurality of openings and the fixing holes respectively and nuts, a hollow rectangular sealing rubber ring is arranged at the contact part of the tank body 51 and the glass plate 55, the sealing of the joint part of the glass plate 55 and the tank body 51 is ensured, and a worker can observe the water level and the amount. The longitudinal length of the lower end air inlet 31 of the negative pressure hood is consistent with the width of the conveying belt 104 of the electric conveying belt equipment. An operating handle 531 is welded to the outer portion of each of the two side ends of the upper cover (so that the worker can rotate the upper cover 53 through the handle 531). A sealing rubber ring is arranged between the joint of the upper cover 53 and the tank body 51, and a sealing structure is arranged between the joint of the upper cover 53 and the tank body 51. The left-side pipe 56 is positioned at the inner part of the tank body, and the right side is inclined to the inner lower part of the tank body 51 by a certain angle. The power input end of the negative pressure fan 52 can also adopt a pressure regulator to regulate the rotating speed of the negative pressure fan, so as to regulate the negative pressure suction generated by the negative pressure fan (the negative pressure suction can be regulated as required to prevent the small-particle-size coal from being sucked into the tank body 51 due to overlarge negative pressure suction).

Fig. 1 and 2 show that, when the electric conveyor belt device works, the coal (the clean coal product of the coal preparation plant is primarily selected and generally is a coal briquette with a certain outer diameter, and the coal dust mainly comes from the coal dust adhered to the surface of the coal briquette and is produced by collision between the coal briquettes in transportation, so that the amount of the coal briquette is small, and the clean coal product quality can be improved by sucking out part of the coal dust). After the negative pressure fan 52 is powered on to work, the negative pressure fan 52 works to pump air in the tank body 51 and discharge the air into the air processor through an exhaust pipe (the air is treated by the air processor to exhaust air harmlessly), further, negative pressure is generated in the tank body 51 and the negative pressure cover 3, the negative pressure suction force generated at the lower end of the negative pressure cover 3 continuously adsorbs light and soft impurities in the moving coal from the upper part of the electric conveying belt device conveying belt 104 and enters the tank body 51, and a small amount of coal dust and the light and soft impurities entering the tank body 51 are downwards inclined towards the inside of the pipe tank body 51 due to the fact that the right end of a pipeline 56 at the left end of the tank body is inclined towards the inside of the pipe tank body 51, so that the small amount of coal dust and the light and soft impurities firstly contact water in the tank body 51 and are adsorbed by the water in the tank body 51, and the very small amount of. In this is novel, vibrating motor 2 gets electric work back, can make backup pad 4 synchronous vibration, backup pad 4 makes the vibration of electric conveyer belt equipment conveyer belt 104 upper portion through the upper end, and the coal that is located the conveyer belt 104 upper end can take place the vibration in step, and light soft impurity has increased the probability by the suction of negative pressure cover 3 because the vibration in the coal, makes light soft impurity in the coal clear away by the negative pressure as far as possible like this (especially in coal middle level and the lower floor light soft impurity can be by the suction). In this novel use, the condition in jar body 51 is observed to staff's accessible glass sheet 55, and when light and soft impurity and buggy were too much, upper cover 53 can be unscrewed and clear up or add water. When the water in the tank body 51 needs to be discharged, the valve 54 is opened, and the valve 54 is closed after the water is discharged. The axial flow negative pressure fan 52 has blades in the volute, and a motor is arranged outside the casing, and after the motor drives the blades to rotate, the blades are blown out through the air outlet pipe, and the air inlet pipe can generate negative pressure. The vibration motor is a finished product of the vibration motor with the working voltage of 380W and the power of 2 KW. This is novel can reach good light soft impurity and clear away the effect, and has guaranteed that the workman is healthy to product market competition has been improved.

Having shown and described the basic principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, the embodiments do not include only one independent technical solution, and such description is only for clarity, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. The device for removing the light and soft impurities from the clean coal products in the coal preparation plant comprises electric conveyer belt equipment, a vibration motor and an air processor, and is characterized by also comprising a negative pressure cover and negative pressure generating equipment; a support plate is arranged at the lower side of the upper end of the rack of the electric conveyer belt equipment, a vibration motor is arranged at the lower end of the support plate, and the upper end of the support plate is contacted with the lower side of the upper conveyer belt of the electric conveyer belt equipment; the two sides of the upper part of the rack are respectively provided with a fixed plate, the interior of the negative pressure cover is of a hollow structure, the lower end of the negative pressure cover is provided with an air inlet, the upper end of the negative pressure cover is provided with an air inlet pipe, and the negative pressure cover is arranged on the fixed plates; the negative pressure generating equipment comprises a tank body, a negative pressure fan, an upper cover, a water drain valve and a transparent observation plate; the fan is arranged outside the upper end of the upper cover, a communicating pipe is arranged on one side of the upper part of the upper cover, and an air inlet pipe of the fan is connected with the communicating pipe; the upper cover is arranged on the tank body, the upper part and the lower part of the side end of the tank body are respectively provided with a pipeline, and the pipeline at the upper side end of the tank body is connected with the air inlet pipe at the upper end of the negative pressure cover; the pipeline at the lower end of the tank body is connected with a water drain valve, water is filled in the tank body, and an exhaust pipe of the negative pressure fan is connected with an air inlet pipe of the air processor.

2. The device for removing the soft and light impurities in the clean coal products of the coal preparation plant as claimed in claim 1, wherein an opening is formed in the middle of the front side end of the tank body, and the observation plate is hermetically mounted on the rear side in the opening.

3. The device for removing the soft and light impurities in the clean coal products of the coal preparation plant according to claim 1, wherein the longitudinal length of the air inlet at the lower end of the negative pressure cover is consistent with the width of the conveying belt of the electric conveying belt equipment.

4. The device for removing the soft and light impurities in the clean coal products of the coal preparation plant as claimed in claim 1, wherein the outer parts of the two side ends of the upper cover are respectively provided with an operating handle.

5. The device for removing the soft and light impurities from the clean coal products of the coal preparation plant as claimed in claim 1, wherein the pipeline at the upper end of the tank body is positioned at an inclined angle from the inner part of the tank body to the inner lower part of the tank body.

6. The device for removing the soft and light impurities from the clean coal products of the coal preparation plant according to claim 1, wherein a pressure regulator is further adopted at a power supply input end of the negative pressure fan to regulate the rotating speed of the negative pressure fan.