Anti-blocking raw coal bunker

Abstract

The utility model provides an anti-blocking raw coal bunker. The anti-blocking raw coal bunker comprises a raw coal bunker body, a gate valve is arranged at a conical feed opening of the raw coal bunker body, a connecting cylinder transversely penetrating through the gate valve is arranged above the gate valve, a rotating main shaft is arranged in the connecting cylinder, spiral blades are arranged on the two sides of the main shaft, and the spiral directions of threads of the spiral blades on the two sides are opposite. The motor drives the main shaft and the spiral blade to rotate, so that coal at the conical discharging opening of the raw coal bunker is driven to move towards the middle to dredge and accelerate discharging. The spiral blades on the two sides of the main shaft are opposite in rotation direction, coal on the two sides can move towards the middle, and therefore the discharging efficiency can be improved. And the vibrator is mounted on the outer side of the raw coal bunker, so that the blanking efficiency can be further improved.

Description

Technical Field

[0001] The utility model relates to the field of raw coal bunkers, in particular to an anti-blocking raw coal bunker. Background Art

[0002] When the coal stored in the raw coal bunker of a power plant is stacked, it will stick together due to moisture, which will cause the conical discharge port of the raw coal bunker to be blocked, affecting the discharge efficiency. The existing dredging method is to dredge the discharge port manually, which poses a safety risk and has low dredging efficiency. Utility Model Content

[0003] The main purpose of the utility model is to provide an anti-clogging raw coal bunker to solve the problems in the above-mentioned background technology.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: it includes a raw coal bunker, the conical discharge port of the raw coal bunker is provided with a gate valve, a connecting cylinder penetrating horizontally is provided above the gate valve, a rotating main shaft is provided in the connecting cylinder, spiral blades are provided on both sides of the main shaft, and the thread rotation directions of the spiral blades on both sides are opposite.

[0005] Preferably, a plurality of vibrators are fixedly provided on the outer side of the conical discharge port of the raw coal bin.

[0006] Preferably, both ends of the main shaft are respectively supported on the connecting tube and rotated through the first bearing seat and the second bearing seat.

[0007] Preferably, a rotating seal is fixedly provided between the first bearing seat, the second bearing seat and the connecting cylinder, and the rotating seal is sleeved on the main shaft.

[0008] Preferably, a motor is fixedly provided on one side of the first bearing seat, and an output shaft of the motor is fixedly connected to the main shaft.

[0009] Preferably, the ends of the spiral blades on both sides are located in the middle of the conical discharge opening of the raw coal bin.

[0010] The utility model provides an anti-blocking raw coal bunker, which has the following beneficial effects:

[0011] 1. The motor drives the main shaft and spiral blades to rotate, thereby driving the coal at the conical discharge port of the raw coal bunker to move to the middle to dredge and speed up the discharge;

[0012] 2. The spiral blades on both sides of the main shaft rotate in opposite directions, which can move the coal on both sides to the middle, thereby speeding up the feeding efficiency.

[0013] 3. The vibrator installed outside the raw coal bin can further speed up the material unloading efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is an axial side view of the overall structure of the utility model;

[0016] Figure 2 It is a front view of the overall structure of the utility model;

[0017] Figure 3 This utility model Figure 2 AA section view in;

[0018] Figure 4 This utility model Figure 3 A local enlarged view at point b in the middle;

[0019] In the figure: raw coal bunker 1; connecting tube 101; vibrator 2; gate valve 3; motor 4; first bearing seat 5; second bearing seat 6; main shaft 7; spiral blade 8; rotary seal 9. DETAILED DESCRIPTION

[0020] like Figures 1 to 4 As shown, an anti-clogging raw coal bunker includes a raw coal bunker 1, a plug valve 3 is provided at the conical discharge port of the raw coal bunker 1, a connecting cylinder 101 is provided above the plug valve 3 and is transversely penetrated, a rotating main shaft 7 is provided in the connecting cylinder 101, spiral blades 8 are provided on both sides of the main shaft 7, and the threads of the spiral blades 8 on both sides are opposite. With this structure, the rotation of the main shaft 7 and the spiral blades 8 can move the coal at the conical discharge port of the raw coal bunker 1 to the middle, thereby accelerating the discharge efficiency of the coal.

[0021] Preferred as Figure 1~2 As shown, a plurality of vibrators 2 are fixedly provided on the outer side of the conical discharge port of the raw coal bin 1, which can prevent the coal from adhering to the inner wall of the conical discharge port of the raw coal bin 1, thereby accelerating the discharge speed of the coal.

[0022] Preferred as Figure 3~4 As shown, a connecting cylinder 101 that runs horizontally through the conical discharge port of the raw coal bunker 1 is provided, and a rotating main shaft 7 is provided in the connecting cylinder 101. The two ends of the main shaft 7 are respectively fixed on the connecting cylinder 101 through the first bearing seat 5 and the second bearing seat 6 for rotation. A rotating seal 9 is fixed between the first bearing seat 5, the second bearing seat 6 and the connecting cylinder 101. The rotating seal 9 is sealed on the main shaft 7 to prevent the coal from entering the bearing seat. Further preferably, a motor 4 is fixed on one side of the first bearing seat 5, and the output shaft end of the motor 4 is fixedly connected to the main shaft 7. The motor 4 can drive the main shaft 7 and the spiral blade 8 to rotate, so that the coal can be moved to the middle to the discharge port, which can speed up the discharge speed. Further preferably, the ends of the spiral blades 8 on both sides of the main shaft 7 are located in the middle of the raw coal bunker 1, which can move the coal on both sides of the raw coal bunker 1 to the middle, thereby speeding up the discharge speed at the conical discharge port.

[0023] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. An anti-clogging raw coal bunker, characterized by: The invention comprises a raw coal bunker (1), wherein a gate valve (3) is provided at a conical discharge port of the raw coal bunker (1), a connecting cylinder (101) is provided above the gate valve (3) and is penetrated transversely, a rotating main shaft (7) is provided in the connecting cylinder (101), spiral blades (8) are provided on both sides of the main shaft (7), and the threads of the spiral blades (8) on both sides have opposite rotation directions.

2. The anti-clogging raw coal bunker according to claim 1 is characterized by: A plurality of vibrators (2) are fixedly arranged on the outer side of the conical discharge opening of the raw coal bin (1).

3. The anti-clogging raw coal bunker according to claim 1 is characterized by: The two ends of the main shaft (7) are respectively supported on the connecting cylinder (101) through the first bearing seat (5) and the second bearing seat (6) for rotation.

4. The anti-clogging raw coal bunker according to claim 3 is characterized by: A rotating seal (9) is fixedly provided between the first bearing seat (5), the second bearing seat (6) and the connecting cylinder (101), and the rotating seal (9) is sleeved on the main shaft (7).

5. The anti-clogging raw coal bunker according to claim 3 is characterized by: A motor (4) is fixedly mounted on one side of the first bearing seat (5), and an output shaft of the motor (4) is fixedly connected to the main shaft (7).

6. The anti-clogging raw coal bunker according to claim 1 is characterized by: The ends of the spiral blades (8) on both sides are located in the middle of the conical discharge opening of the raw coal bin (1).

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