Multifunctional three-dimensional air control and dust fall device for guide chute of belt conveyor

Abstract

The utility model discloses a multifunctional three-dimensional air control dust falling device for a guide chute of a belt conveyor, which realizes more efficient air control and layer falling effects, and comprises the guide chute arranged above a belt of the belt conveyor, a detection device arranged at the output end of the guide chute, a control box and a spraying device, at least one group of first area, second area and third area is sequentially arranged in the diversion trench according to the conveying direction; the first area, the second area and the third area respectively comprise a plurality of first check curtains, second check curtains and third check curtains which are arranged in a matrix; the lower ends of the first check curtain and the third check curtain do not make contact with the upper surface of the belt, and the lower end of the second check curtain abuts against the upper surface of the belt. The detection device is used for detecting the dust concentration of the output end of the diversion trench and transmitting the dust concentration to the control box, and the control box adjusts the flow of the spraying device according to the real-time dust concentration; the spraying device is arranged in the third area and used for spraying the third check curtain.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of dust fall of belt conveyor, in particular to a multifunctional three-dimensional wind control dust fall device for the material guide groove of belt conveyor. BACKGROUND

[0002] The traditional rubber curtain and spray are usually arranged in the material guide groove of the belt conveyor to reduce the induced wind speed and dust in the material guide groove, but there are the following problems in the current production.

[0003] (1) The traditional rubber curtain is inconvenient to maintain and replace after one-time installation.

[0004] (2) The design idea of the traditional rubber curtain is to completely block the cross section of the material guide groove, which reduces the wind speed at the outlet of the material guide groove and causes the head return, resulting in that the dust problem cannot be completely solved.

[0005] (3) The cross section of the traditional rubber curtain is circular, which is the design with the smallest wind speed coefficient among all cross sections, resulting in that the wind control effect is not ideal.

[0006] (4) The cross section size of the traditional rubber curtain is large, which is easy to form secondary dust with the material, and the dust fall effect is poor.

[0007] (5) The traditional spray does not have an intelligent detection module, only has an on-off function, and cannot control the dosage according to real-time data, which is easy to cause energy waste.

[0008] The above problems commonly exist in the conveying process of the belt conveyor in large wharfs, thermal power plants and ironworks. CONTENT OF THE UTILITY MODEL

[0009] The main purpose of the utility model is to provide a multifunctional three-dimensional wind control dust fall device for the material guide groove of belt conveyor, which solves the problems in the prior art and realizes more efficient wind control and dust fall effect.

[0010] In order to achieve the above purpose, the solution of the utility model is as follows:

[0011] The utility model relates to a multifunctional three -dimensional wind control dust falling device for belt conveyor chute, including setting in the belt conveyor's belt top's chute, setting in the detection device of chute output end and control box, spraying device, the chute is according to the conveying direction and is sequentially provided with at least a group first area, second area and third area, first area, second area and third area include a plurality of first curtain, second curtain and third curtain of matrix arrangement respectively, the lower end of first curtain and third curtain all does not contact with the upper surface of belt, and the lower end of second curtain abuts the upper surface of belt, the detection device is used for detecting the dust concentration of chute output end, and it is transmitted to control box, and the flow of spraying device is adjusted according to real -time dust concentration by control box, and spraying device sets up in third area, is used for spraying third curtain.

[0012] The cross section of the first curtain is polygonal, and each side is concave.

[0013] Preferably, in the matrix of the first curtain, two rows of first curtains in adjacent horizontal rows are arranged staggered with respect to each other, so that a plurality of turbulence cavities formed by four adjacent first curtains in front, back, left and right are arranged in the matrix.

[0014] Preferably, the cross section of the first curtain includes four concave sides that are equally angularly spaced around an axis of the first curtain.

[0015] The second curtain is made of a special polymer material.

[0016] The cross section of the second curtain is rectangular, and adjacent second curtains are gap-fitted.

[0017] The cross section of the third curtain is circular.

[0018] The control box is programmed with a dust concentration threshold value, and when the dust concentration detected by the detection device exceeds the threshold value, the spraying device is started, otherwise the spraying device is in standby state.

[0019] Preferably, the on-off valve of the spraying device is an electromagnetic valve.

[0020] After the above technical solution is adopted, the utility model has the following technical effects:

[0021] The utility model discloses a design three different areas, adopt the way of dredging to reduce induced wind speed and air quantity, wherein the first curtain of first area does not contact with the belt, can avoid the direct contact of material and first curtain, can reduce the dust return phenomenon when material just contacts the curtain, and it has better wind reduction effect with second area cooperation, the third curtain of third area is drenched by the spraying device, can utilize the surface of third curtain to increase the contact area with dust, and then realizes adsorbing dust to reach the dust reduction purpose, through the real -time detection dust concentration of the guide chute output end of detecting device, can pass through the flow of spraying device of control box intelligent control, realizes the energy -conserving and increasing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structure schematic drawing of the embodiment of the utility model;

[0023] Figure 2 It is the first curtain cross section schematic drawing of the embodiment of the utility model;

[0024] Figure 3 It is the second curtain cross section schematic drawing of the embodiment of the utility model;

[0025] Figure 4 It is the third curtain cross section schematic drawing of the embodiment of the utility model;

[0026] EXPLANATION OF DRAWINGS

[0027] 1-belt;2-guide chute;3-detecting device;4-control box;5-spraying device;6-first curtain;61-concave edge;62-turbulent cavity;7-second curtain;8-third curtain;a-first area;B-second area;C-third area. DETAILED DESCRIPTION

[0028] In order to further explain the technical scheme of the utility model, the utility model is described in detail below through specific embodiments.

[0029] REFERENCE Figures 1-4 As shown in the figure, the utility model discloses a kind of multifunctional three-dimensional wind control dust-settling device for belt conveyor guide chute, including the guide chute 2 being set on the belt 1 of belt conveyor above, detecting device 3 being set in the output end of guide chute 2, and control box 4, spraying device 5;

[0030] At least one group of first area a, second area b and third area c are sequentially arranged in guide chute 2 according to conveying direction (arrow direction in the figure), that is, the three areas can be sequentially arranged in cycle;

[0031] The first area a, the second area b and the third area c respectively comprise a plurality of first curtains 6, second curtains 7 and third curtains 8 arranged in a matrix; the lower ends of the first curtains 6 and the third curtains 8 are not in contact with the upper surface of the belt 1, and the lower end of the second curtain 7 abuts against the upper surface of the belt 1;

[0032] The detection device 3 is used for detecting the dust concentration at the output end of the material guide groove 2 and transmitting the dust concentration to the control box 4, and the control box 4 adjusts the flow of the spraying device 5 according to the real-time dust concentration;

[0033] The spraying device 5 is arranged in the third area c and is used for spraying the third curtain 8.

[0034] Through the above scheme, the utility model discloses three different areas, adopts the way of dredging to reduce the induced wind speed and the air volume, wherein the first curtain 6 of the first area a is not in contact with the belt 1, can avoid the direct contact of the material and the first curtain 6, can reduce the dust return phenomenon when the material just contacts the curtain, and the first curtain 6 has better wind reduction effect in cooperation with the second area b; the third curtain 8 of the third area c is wetted by the spraying device 5, can increase the contact area with the dust by the surface of the third curtain 8, and then realizes the adsorption of the dust to achieve the dust reduction purpose; the dust concentration at the output end of the material guide groove 2 is detected in real time by the detection device 3, the flow of the spraying device 5 can be intelligently controlled by the control box 4, and energy saving and efficiency increasing are realized.

[0035] The following shows the specific embodiments of the utility model.

[0036] The cross section of the above-mentioned first curtain 6 is polygonal, and each side is a concave edge 61. When the airflow passes through the concave cross section, backflow is formed to produce collision, thereby producing strong turbulence phenomenon, and the induced air volume is reduced.

[0037] Further, in the matrix of the above-mentioned first curtain 6, two rows of first curtains 6 in the adjacent horizontal row are arranged in a staggered manner, so that a plurality of turbulence cavities 62 composed of four adjacent first curtains 6 in front, back, left and right are arranged in the matrix, and the turbulence effect is further improved and the induced air volume is reduced.

[0038] Meanwhile, the cross section of the above-mentioned first curtain 6 comprises four concave edges 61 distributed at equal angles around the axis of the first curtain 6.

[0039] The above-mentioned second curtain 7 is made of special high molecular materials, such as polycarbonate, polyimide and the like, which can ensure the wear resistance of the second curtain 7, reduce the wear when contacting with the material and the belt, and improve the service life.

[0040] The second curtain 7 is rectangular in cross section, preferably flat, and is fitted with a gap between adjacent second curtains 7, mainly for preventing dust raising due to the gap when the belt 1 is empty. The second curtain 7 will slightly swing due to the induced wind, effectively converting the wind energy into mechanical energy and heat energy, thus dissipating the wind energy.

[0041] The third curtain 8 is circular in cross section, which allows the third curtain 8 to cover more than 70% of the space in the third area c, and the airflow passing through the third area c can be adsorbed by the wet curtain surface to significantly reduce dust raising.

[0042] The control box 4 is provided with a dust concentration threshold, and when the dust concentration detected by the detection device 3 exceeds the threshold, the spraying device 5 is started, otherwise the spraying device 5 is in standby state.

[0043] Further, the on-off valve of the spraying device 5 is an electromagnetic valve, which is easier to realize automatic control.

[0044] The above embodiments and drawings are not limited to the product form and style of the utility model, and any appropriate changes or modifications made by ordinary skilled persons in the art shall be considered as not departing from the scope of the utility model.

Claims

1.A multifunctional three-dimensional wind control and dust reduction device for a belt conveyor chute, comprising: a chute arranged above a belt of the belt conveyor, a detection device arranged at an output end of the chute, and a control box, a spraying device; at least one group of first, second and third regions arranged in sequence along a conveying direction in the chute; the first, second and third regions each comprise a plurality of first, second and third curtains arranged in a matrix; the lower ends of the first and third curtains are not in contact with the upper surface of the belt, and the lower end of the second curtain abuts the upper surface of the belt; the detection device is configured to detect the dust concentration at the output end of the chute and transmit the same to the control box, which adjusts the flow rate of the spraying device according to the real-time dust concentration; and the spraying device is arranged in the third region and configured to spray the third curtain. 2.The multifunctional three-dimensional wind control and dust reduction device for a belt conveyor chute according to claim 1, wherein: the cross section of the first curtain is polygonal, and each side is concave. 3.The multifunctional three-dimensional wind control and dust reduction device for a belt conveyor chute according to claim 2, wherein: in the matrix of the first curtain, two rows of first curtains in adjacent horizontal rows are arranged in a staggered manner, so that a plurality of turbulence cavities formed by four adjacent first curtains are arranged in the matrix. 4.The multifunctional three-dimensional wind control and dust reduction device for a belt conveyor chute according to claim 2, wherein: the cross section of the first curtain comprises four concave sides that are equally angularly spaced around the axis of the first curtain. 5.The multifunctional three-dimensional wind control and dust reduction device for a belt conveyor chute according to claim 1, wherein: the second curtain is made of a special polymer material. 6.The multifunctional three-dimensional wind control and dust reduction device for a belt conveyor chute according to claim 1, wherein: the cross section of the second curtain is rectangular, and adjacent second curtains are gap-fitted. 7.The multifunctional three-dimensional wind control and dust reduction device for a belt conveyor chute according to claim 1, wherein: the cross section of the third curtain is circular. 8.The multifunctional three-dimensional wind control and dust reduction device for a belt conveyor chute according to claim 1, wherein: the control box is programmed with a dust concentration threshold value, and the spraying device is activated when the dust concentration detected by the detection device exceeds the threshold value, otherwise the spraying device is in standby state. 9.The multifunctional three-dimensional wind control and dust reduction device for a belt conveyor chute according to claim 8, wherein: the on-off valve of the spraying device is an electromagnetic valve. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

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