Novel winnowing device for head of belt conveyor

Abstract

The utility model discloses a novel winnowing device for the head of a belt conveyor. The novel winnowing device comprises a heavy material separation chamber, a light material separation chamber and a main fan, a discharging head of a belt conveyor is arranged in an inner cavity of a material guiding end shell of the heavy material separation chamber, a right side port of the discharging head is communicated with a main fan through an air inlet end pipe, a left side port of the discharging head is communicated with the light material separation chamber through an air outlet end pipe, the belt conveyor drives materials to enter the material guiding end shell, and the main fan continuously supplies air and brings light materials and dust materials into the light material separation chamber. Heavy materials are discharged from the heavy material outlet; mixed airflow enters a separation main pipe of the light material separation chamber, light materials are discharged through a light material outlet due to dead weight, dust-containing airflow enters a dust removal system through an air outlet to separate dust, and therefore winnowing of the heavy materials, the light materials and the dust of the mixed materials is achieved. The device has the advantages of being simple in structure, low in cost, capable of primarily sorting mixed materials, capable of moving follow-up materials and clean in processing environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to material sorting field, especially a novel air separation device for the head of belt conveyor. BACKGROUND

[0002] The recycled garbage is processed by a coarse crushing device to form a mixture of small-size solids, light materials (film, small pieces of material, etc.) and dust, and then is transported by a belt conveyor to various reprocessing units or classification units. The defects are as follows: first, the light materials (film, small pieces of material, etc.) and dust are mixed in the small-size solids, which increases the weight and volume and the overall load of the transportation, and the overall sorting energy consumption is high; second, the mixture generates too much dust during movement, the working environment is poor, and the health of workers is seriously damaged; third, the dust and film material will enter the machine, which increases the wear of the machine and shortens the service life, and increases the failure rate of the sorting equipment and other equipment. SUMMARY

[0003] In order to solve one or more of the above problems, the utility model provides a novel air separation device for the head of belt conveyor.

[0004] According to one aspect of the utility model, the novel air separation device for the head of belt conveyor comprises a heavy material separation chamber, a light material separation chamber and a main air blower.

[0005] The heavy material separation chamber comprises a vertical main shell with an upper opening and a lower opening, the upper end of the main shell is integrally connected to a right-upwardly inclined material guide end shell, the lower end of the main shell is a heavy material outlet, the upper end of the material guide end shell is open on the side and the inner cavity is provided with a discharge head of a belt conveyor, the right side of the main shell is integrally connected to an air inlet end pipe and the left side is integrally connected to an air outlet end pipe, the air inlet end pipe is connected to the main air blower, the air outlet end pipe is connected to the air inlet of the light material separation chamber, the belt conveyor carries the material into the material guide end shell and the material falls into the main shell by gravity, the main air blower continuously supplies air and carries the light material and dust into the light material separation chamber, and the heavy material is discharged from the heavy material outlet.

[0006] The light material separation chamber comprises a left-downwardly inclined separation main pipe, the right end of the separation main pipe is a horizontal air inlet, the upper end is a vertical air outlet and the lower end is a vertical light material outlet, the air outlet is connected to a dust removal system, the mixed gas flow enters the separation main pipe, the light material is discharged from the light material outlet by gravity, the dust-containing gas flow enters the dust removal system through the air outlet to separate the dust, and thus the air separation of the heavy material, the light material and the dust output from the discharge head of the belt conveyor is realized.

[0007] In some embodiments, a lateral opening is formed between the horizontal upper cover plate and the lower material guide plate of the material guide end shell, the upper cover plate and the upper horizontal section of the conveyor belt of the belt conveyor are spaced apart to form a feeding port at a certain height, and the lower material guide plate and the lower horizontal section of the conveyor belt of the belt conveyor are arranged with a small gap.

[0008] In some embodiments, the upper cover plate is hingedly connected with a soft vertical sealing plate at the lower end, and the vertical sealing plate swings up and down to seal the feeding port according to the change of the material height at the feeding port.

[0009] Or the upper cover plate is hingedly connected with a plurality of soft vertical sealing plates at the lower end in longitudinal equal intervals, and the vertical sealing plates swing according to the change of the height at different positions of the material at the feeding port.

[0010] In some embodiments, the vertical sealing plate is a rubber plate or a PVC soft plate.

[0011] In some embodiments, the lower guide plate is further provided with a brush, and the brush contacts the lower horizontal section of the conveying belt of the belt conveyor.

[0012] In some embodiments, the conveying belt is a skirt belt, or the conveying belt is provided with lateral sealing plates on both sides.

[0013] In some embodiments, the heavy material outlet is a reverse tapered pipe, and the heavy material outlet is further provided with a flexible material guiding dust cover at the lower side; and the lower end of the material guiding dust cover is a large material output device.

[0014] In some embodiments, the air inlet end pipe is connected with the main air blower through an air supply pipe, and the air supply pipe is flange-connected between the air inlet end pipe and the air outlet of the main air blower.

[0015] In some embodiments, the air outlet end pipe is a tapered pipe that is gradually tapered outward, and the tapered pipe is flange-connected between the air inlet and the air outlet; and the upper end of the air outlet is flange-connected with a dust flow guide pipe of a tapered structure.

[0016] In some embodiments, the cross-sectional pipe hole of the separation main pipe is gradually reduced in size from top to bottom, and the lower end of the separation main pipe is provided with a settling chamber.

[0017] The novel air separation device for the head of a belt conveyor can separate light materials and dust materials from the moving mixed materials, and can clean the pure heavy materials for transportation to other working processing or separation units. The novel air separation device for the head of a belt conveyor has the following beneficial effects: 1. The structure is simple, the space occupied is small, and the novel air separation device for the head of a belt conveyor can be widely applied to the impurity removal and purification of intermediate target materials, effectively reduces the weight and volume of the target intermediate target materials, reduces the moving load, and saves energy consumption; 2. The material moving after the simple separation device is used for primary separation is free of dust, effectively improves the working environment, and protects the health of workers; 3. The clean production environment protects the stable operation of the machine, prolongs the service life, and reduces the failure rate; and 4. The structure can be produced in a modularized manner, the existing conveying equipment can be transformed, the transformation cost is low, and the effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a front view of a novel air separation device for the head of a belt conveyor according to an embodiment of the present application;

[0019] Figure 2 As shown in Fig. 1, the heavy material separation chamber 1 includes a main shell 10, a heavy material outlet 101, a material guiding end shell 11, an upper cover plate 111, a lower material guiding plate 112, a material inlet 113, a vertical sealing plate 114, a brush 115, an air inlet end pipe 12, and an air outlet end pipe 13. Figure 1

[0020] Figure 3 As shown in Fig. 2, the material guiding end shell 11 is provided with the brush 115 and the vertical sealing plate 114. Figure 1

[0021] As shown in Fig. 3, the material guiding end shell 11 is provided with the brush 115 and the vertical sealing plate 114. Figure 4 Figure 3 As shown in Fig. 4, the material guiding end shell 11 is provided with the brush 115 and the vertical sealing plate 114.

[0022] Figure 5 Figure 1 As shown in Fig. 5, the light material separation chamber 2 includes a separation main pipe 20, an air inlet 21, an air outlet 22, a light material outlet 23, and a dust flow guide pipe 24.

[0023] The heavy material separation chamber 1, the main shell 10, the heavy material outlet 101, the material guiding end shell 11, the upper cover plate 111, the lower material guiding plate 112, the material inlet 113, the vertical sealing plate 114, the brush 115, the air inlet end pipe 12, the air outlet end pipe 13,

[0024] The light material separation chamber 2, the separation main pipe 20, the air inlet 21, the air outlet 22, the light material outlet 23, and the dust flow guide pipe 24.

[0025] The main air blower 3, the dust cover 4, the large material output device 5, the air supply pipe 6, and the settling chamber 7.

[0026] The belt conveyor 01, the conveying belt 010, and the lateral sealing plate 011. DETAILED DESCRIPTION

[0027] The present application will be further described below in conjunction with the drawings. It should be noted that the terms "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the terms "inner" and "outer" refer to the directions towards or away from the geometric center of a specific component.

[0028] Figures 1 to 5 A novel air separation device for a belt conveyor head according to an embodiment of the present application is schematically shown. As shown in the figure, the novel air separation device for a belt conveyor head includes a heavy material separation chamber 1, a light material separation chamber 2, and a main air blower 3.

[0029] ​​​The heavy material separation chamber 1 comprises a vertical main shell 10 with open upper and lower ends, the upper end of the main shell 10 is integrally connected to a right-upwardly inclined material guide end shell 11, the lower end of the main shell 10 is a heavy material outlet 101, the upper end of the material guide end shell 11 is open on the side and the inner cavity is provided with a discharge head of a belt conveyor 01, the right side of the main shell 10 is integrally connected to an air inlet end pipe 12 and the left side is integrally connected to an air outlet end pipe 13, the air inlet end pipe 12 is connected to a main air blower 3, the air outlet end pipe 13 is connected to an air inlet 21 of the light material separation chamber 2, the belt conveyor 01 carries the material into the material guide end shell 11 and the material falls into the main shell 10 by gravity, the main air blower 3 continuously sends air and carries light materials and dust materials into the light material separation chamber 2, and the heavy materials are discharged from the heavy material outlet 101;

[0030] The light material separation chamber 2 comprises a left-downwardly inclined separation main pipe 20, the right end of the separation main pipe 20 is a horizontal air inlet 21, the upper end is a vertical air outlet 22, and the lower end is a vertical light material outlet 23, the air outlet 22 is connected to a dust removal system, mixed gas flows into the separation main pipe 20, light materials are discharged through the light material outlet 23 due to gravity, and dust-containing gas flows into the dust removal system through the air outlet 22 to separate dust, thereby realizing air separation of heavy materials, light materials and dust from the material output by the discharge head of the belt conveyor 01.

[0031] The novel air separation device for the head of the belt conveyor can perform primary separation on the belt conveyor moving the mixed material, separate light materials and dust materials therefrom, and the pure heavy materials can be transported to other working processing or separation units. The beneficial effects are: first, the structure is simple, occupies small space, and can be widely applied in the impurity removal and purification scene of intermediate target materials, effectively reducing the weight and volume of the target intermediate target materials, reducing the moving load, and saving energy consumption; second, the material moving after the primary selection by the simple separation device does not produce dust, effectively improving the working environment and protecting the health of workers; third, the clean production environment protects the stable operation of the machine, prolongs the service life, and reduces the failure rate; fourth, the structure can be produced in a modularized manner, the existing conveying equipment can be transformed, the transformation cost is low, and the effect is good.

[0032] Further, the upper end of the material guide end shell 11 is further provided with a horizontal upper cover plate 111, the upper cover plate 111 of the material guide end shell 11 and the lower material guide plate 112 form a lateral opening, the upper cover plate 111 and the upper horizontal section of the conveying belt 010 of the belt conveyor 01 are spaced apart at a height to form a material inlet 113, and the lower material guide plate 112 and the lower horizontal section of the conveying belt 010 of the belt conveyor 01 are provided with a small gap. The beneficial effects are: the setting can ensure that the material conveniently enters the main shell 10 of the air separation device.

[0033] Preferably, the lower end of the upper cover plate 111 is also hinged with a soft vertical sealing plate 114, which swings up and down to seal the feeding port 113 with the change of the material height at the feeding port 113. Preferably, the lower end of the upper cover plate 111 is longitudinally hinged with a plurality of soft vertical sealing plates 114 at equal intervals, which swings with the change of the height of the material at different positions. The beneficial effect is that the setting effectively reduces wind loss and improves separation efficiency.

[0034] Preferably, the vertical sealing plate 114 is a rubber plate or a soft PVC plate. The beneficial effect is that the setting can be flexibly deformed to form a closed space with the material.

[0035] Preferably, the lower guide plate 112 is also provided with a brush 115, which contacts the lower horizontal section of the conveying belt 010 of the belt conveyor 01. The beneficial effect is that the setting effectively cleans the conveying belt 010 to prevent the material adhered to the lower conveying belt 010 from entering the front lower end and forming dust, further improving the cleaning efficiency.

[0036] Further, the conveying belt 010 is a skirt belt. Preferably, the conveying belt 010 is provided with lateral sealing plates 011 on both sides. The beneficial effect is that the setting can ensure that the material is not thrown outward.

[0037] Further, the heavy material outlet 101 is a reverse tapered pipe, and the lower side of the heavy material outlet 101 is also provided with a flexible material guide dust cover 4; preferably, the lower end of the material guide dust cover 4 is a large material output device 5, which is a conveyor or a mobile large material storage bin. The flexible material guide dust cover 4 can be made of plastic cover or rubber cover, etc., which has high strength, wear resistance, durability, easy folding and contraction, etc., can stably guide the material, prevent dust, reduce damage to the subsequent conveying equipment cooperating with it, etc., is more safe and environmentally friendly.

[0038] Further, the air inlet end pipe 12 is connected to the main air blower 3 through the air supply pipe 6, and the air supply pipe 6 is flange-connected between the air inlet end pipe 12 and the air outlet of the main air blower 3. The beneficial effect is that the connection structure is simple, firm and reliable, and has no gap leakage.

[0039] Preferably, the air outlet end pipe 13 is a tapered pipe that gradually narrows outward, and the tapered pipe is flange-connected between the air inlet 21; the upper end of the air outlet 22 is flange-connected to the dust flow guide pipe 24 with a tapered structure. The beneficial effect is that the setting ensures good dust removal effect.

[0040] Preferably, the cross-sectional pipe hole of the separation main pipe 20 gradually decreases in size from top to bottom, so that the light material moves downward, and the lower end of the separation main pipe 20 is provided with a settling chamber 7. The beneficial effect is that the setting effectively recovers the light material.

[0041] The above merely describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, some modifications and improvements can be made, and these all belong to the protection scope of the present application.

Claims

1. A new type of air separation device for the head of a belt conveyor, characterized in that, It comprises a heavy material separation chamber (1), a light material separation chamber (2) and a main fan (3). The heavy material separation chamber (1) comprises a vertical main shell (10) with open upper and lower ends, the upper end of the main shell (10) is integrally connected to a right-upwardly inclined material guide end shell (11), the lower end of the main shell (10) is a heavy material outlet (101), the upper end of the material guide end shell (11) is open and the inner cavity is provided with a discharge head of a belt conveyor (01), the right side of the main shell (10) is integrally connected to an air inlet end pipe (12) and the left side is integrally connected to an air outlet end pipe (13), the air inlet end pipe (12) is connected to the main fan (3), the air outlet end pipe (13) is connected to an air inlet (21) of the light material separation chamber (2), the belt conveyor (01) carries materials into the material guide end shell (11) and the materials fall into the main shell (10) by gravity, the main fan (3) continuously sends air and carries light materials and dust into the light material separation chamber (2), and heavy materials are discharged from the heavy material outlet (101). The light material separation chamber (2) comprises a left-downwardly inclined separation main pipe (20), the right end of the separation main pipe (20) is a horizontal air inlet (21), the upper end is a vertical air outlet (22) and the lower end is a vertical light material outlet (23), the air outlet (22) is connected to a dust removal system, mixed gas flow enters the separation main pipe (20), light materials are discharged from the light material outlet (23) due to gravity, dust-containing gas flow enters the dust removal system through the air outlet (22) to separate dust, thereby realizing air separation of heavy materials, light materials and dust output from the discharge head of the belt conveyor (01).

2. The new type of air separation device for the head of a belt conveyor according to claim 1, characterized in that, A lateral opening is formed between a horizontal upper cover plate (111) and a lower material guide plate (112) of the material guide end shell (11), a feeding port (113) is formed between the upper cover plate (111) and an upper horizontal section of a conveying belt (010) of the belt conveyor (01) at a height interval, and a small gap is provided between the lower material guide plate (112) and a lower horizontal section of the conveying belt (010) of the belt conveyor (01).

3. The new type of air separation device for the head of a belt conveyor according to claim 2, characterized in that, A soft vertical sealing plate (114) is hinged to the lower end of the upper cover plate (111), and the vertical sealing plate (114) swings up and down to seal the feeding port (113) according to the change of the height of materials at the feeding port (113). Or a plurality of soft vertical sealing plates (114) are longitudinally hinged to the lower end of the upper cover plate (111) at equal intervals, and the vertical sealing plates (114) swing according to the change of the height of materials at different positions of the feeding port (113).

4. The new type of air separation device for the head of a belt conveyor according to claim 3, characterized in that, The vertical sealing plate (114) is a rubber plate or a PVC soft plate.

5. The new type of air separation device for the head of a belt conveyor according to claim 2, characterized in that, A brush (115) is further arranged on the lower material guide plate (112) and contacts the lower horizontal section of the conveying belt (010) of the belt conveyor (01).

6. The new type of air separation device for the head of a belt conveyor according to any one of claims 2 to 5, characterized in that, The conveying belt (010) is a skirt belt, or lateral sealing plates (011) are arranged on both sides of the conveying belt (010).

7. The new type of air separation device for the head of a belt conveyor according to claim 1, characterized in that, The heavy material outlet (101) is a reverse conical pipe, a flexible material guide dustproof cover (4) is further arranged on the lower side of the heavy material outlet (101), and the lower end of the material guide dustproof cover (4) is a large material output device (5).

8. The new type of air separation device for the head of a belt conveyor according to claim 1, characterized in that, The air inlet end pipe (12) is connected with the main air blower (3) through the air supply pipe (6), and the air supply pipe (6) is flange-connected at both ends with the air inlet end pipe (12) and the air outlet of the main air blower (3).

9. The new type of air separation device for the head of a belt conveyor according to claim 1, characterized in that, The air outlet end pipe (13) is a conical pipe which is gradually tapered outward, and the conical pipe is flange-connected with the air inlet (21); the upper end of the air outlet (22) is flange-connected with the dust flow guide pipe (24) in a conical structure.

10. The new type of air separation device for the head of a belt conveyor according to claim 1, characterized in that, The cross-section of the separation main pipe (20) is gradually reduced from top to bottom, and the lower end of the separation main pipe (20) is provided with a settling chamber (7).

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