Pneumatic ash conveying pipe bottom disturbance device

Abstract

The utility model discloses a pneumatic ash conveying pipe bottom disturbance device which comprises an elbow, a disturbance assembly is arranged at the bottom of the elbow, the elbow comprises a bent pipe, a buffer pipe and a reducer pipe, and the two ends of the buffer pipe are fixedly communicated with one end of the bent pipe and one end of the reducer pipe respectively. The left end of the elbow pipe is sequentially communicated with the buffer pipe and the reducer pipe, so that the flowing speed of dry ash can be increased when the dry ash passes through, and the accumulation degree of the dry ash at the elbow is greatly reduced; meanwhile, disturbance assemblies are arranged at the bottoms of a bent pipe and a buffer pipe, a cylindrical block can rapidly rotate by a certain angle in a reciprocating mode under reciprocating driving of an electric cylinder, an extension rod and a hinge base, a connecting rod inclines by a certain angle left and right along with the cylindrical block, and therefore the two ends of a disturbance plate can rapidly move up and down and bump up dry ash accumulated on the disturbance plate; bumped dry ash is blown away under the driving of the high-speed airflow, so that the situation that the elbow is manually cut open to dredge the pipeline is avoided, and the dredging efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic ash conveying technical field, specifically is a kind of pneumatic ash conveying pipe bottom disturbance device. BACKGROUND

[0002] Pneumatic ash conveying system provides power source by conveying fan, with air as conveying medium and power, dry bulk solid particles or granular material is conveyed to specified place by a conveying device.The advantage of pneumatic conveying is that equipment is arranged flexibly, compactly, and occupies small area, the whole conveying process is completely closed, and is not affected by environmental conditions, as it avoids other impurities mixing into material, and can prevent leakage, it is one of the ash conveying forms meeting industrial conveying requirements.

[0003] Pneumatic ash conveying system pipeline often sets elbow, the role of elbow is to realize the turning of pipeline;Since the blowing mode of airflow in ash conveying pipeline is straight, its disturbance effect on dust is limited, so dust is easy to accumulate in pipeline and cause blockage, especially in elbow, which affects the normal operation of pipeline system, and when serious blockage occurs, manual pipe cutting is needed for dredging, which not only increases the labor of workers, but also restricts the normal production process and increases the operating cost of enterprise. CONTENT OF UTILITY MODEL

[0004] Therefore, the technical problem to be solved by the utility model is to provide a pneumatic ash conveying pipe bottom disturbance device to solve the problem that dust is easy to accumulate in elbow in prior art, causing ash conveying pipe to be blocked and manual pipe cutting to be needed for dredging.

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] A pneumatic ash conveying pipe bottom disturbance device, comprising an elbow, a disturbance assembly is arranged at the bottom of the elbow, the elbow comprises an elbow pipe, a buffer pipe and a reducing pipe, the buffer pipe is fixedly communicated with one end of the elbow pipe and one end of the reducing pipe at both ends, notches are formed at the bottom ends of the sides of the elbow pipe and the buffer pipe close to each other, and the disturbance assembly is arranged below the notches.

[0007] The reducing pipe is fixedly communicated with the buffer pipe at the large-diameter end, and the small-diameter end of the reducing pipe is fixedly connected with a first flange;The first flange can be connected with the input end of the ash conveying pipe, and the flow rate of input dry ash can be increased under the action of the reducing pipe.

[0008] The elbow pipe is fixedly connected with a second flange upward at the end away from the buffer pipe;The second flange can be connected with the ash pipe with vertical direction, so that dry ash is input into the ash pipe with vertical direction through the reducing pipe, the buffer pipe and the elbow pipe in turn.

[0009] The aforementioned pneumatic ash conveying pipe bottom disturbance device includes a fixed box. Support plates are fixedly connected to the middle of both ends of the bottom wall of the fixed box. A round rod is fixedly connected between the middle of the two support plates. A cylindrical block is rotatably connected to the middle of the round rod via a bearing. Connecting rods are fixedly connected to the middle of both sides of the cylindrical block. The ends of the two connecting rods furthest from the cylindrical block are fixedly connected to the same disturbance plate. By reciprocatingly rotating the cylindrical block to a certain angle, the two connecting rods can tilt at a certain angle, causing the two ends of the disturbance plate to swing up and down alternately. This causes the dry ash accumulated on the disturbance plate to be agitated and, driven by the high-speed airflow, detach from the disturbance plate and flow into the vertical ash pipe along with the bend.

[0010] In the aforementioned pneumatic ash conveying pipe bottom disturbance device, the top opening of the fixed box is adapted to the notch, and the upper surface of the fixed box is fixedly connected to the lower surface of the notch; through the fixed connection between the top opening of the fixed box and the notch, a sealed space is formed between the fixed box, the buffer pipe, and the bend pipe.

[0011] The aforementioned pneumatic ash conveying pipe bottom disturbance device includes a hinged seat fixedly connected to the bottom of the cylindrical block, an extension rod hinged inside the hinged seat, and an electric cylinder fixedly connected to the right side of the fixed box. The output end of the electric cylinder passes through the fixed box and extends into it, hinged to the extension rod. Power is provided by the electric cylinder, and under the reciprocating drive of the output end of the electric cylinder, the extension rod can move left and right, thereby causing the left end of the extension rod to rotate within the hinged seat and drive the cylindrical block to reciprocate and rotate at a certain angle through the hinged seat.

[0012] The above-mentioned pneumatic ash conveying pipe bottom disturbance device has two connecting rods arranged in an inverted V-shape; the top ends of the two connecting rods can drive the two ends of the disturbance plate to move up and down, thereby realizing the disturbance plate to shake up the accumulated dry ash.

[0013] The aforementioned pneumatic ash conveying pipe bottom disturbance device has connecting blocks fixedly connected to the middle of the lower surface of both ends of the disturbance plate, and the connecting blocks are fixedly connected to the connecting rods on the same side; this ensures that the vertical movement angle of both ends of the disturbance plate is within a reasonable range.

[0014] The above-mentioned pneumatic ash conveying pipe bottom disturbance device has a disturbance plate whose size is adapted to the internal size of the fixed box, the disturbance plate and the inner wall of the fixed box are in clearance fit, and sealing strips are fixedly connected to all four sides of the disturbance plate; the disturbance plate can move up and down inside the fixed box.

[0015] In the aforementioned pneumatic ash conveying pipe bottom disturbance device, sealing strips are fixedly connected to all four sides of the disturbance plate; the disturbance plate slides against the inner wall of the fixed box through the sealing strips to prevent dry ash from falling into the bottom of the fixed box.

[0016] The technical scheme of the utility model discloses has achieved the following beneficial technical effects:

[0017] The utility model discloses a buffer pipe and reducing pipe are communicated in turn at the left end of the elbow pipe, can improve the flow rate when dry ash passes, greatly reduce the degree of dry ash accumulation at the elbow, and the disturbance assembly is arranged at the bottom of the elbow pipe and the buffer pipe, can make the cylindrical block reciprocate rapidly and rotate a certain angle under the reciprocating drive of the electric cylinder, the extension rod and the hinged seat, so that the connecting rod is tilted a certain angle left and right, thereby the both ends of the disturbance plate can move up and down rapidly and the dry ash accumulated thereon is thrown up, and the thrown dry ash is blown away under the drive of high -speed airflow, thereby avoiding manually cutting the elbow to dredge the pipeline, and improving the dredging efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model discloses a whole three -dimensional structure schematic diagram of a pneumatic ash conveying pipe bottom disturbance device;

[0019] Figure 2 The utility model discloses a bend sectional structure schematic diagram of a pneumatic ash conveying pipe bottom disturbance device;

[0020] Figure 3 The utility model discloses a whole three -dimensional structure schematic diagram of a pneumatic ash conveying pipe bottom disturbance device;

[0021] Figure 4 The utility model discloses a whole three -dimensional structure schematic diagram of a pneumatic ash conveying pipe bottom disturbance device;

[0022] The figure mark shows for: 1 - elbow pipe;2 - buffer pipe;3 - reducing pipe;4 - first flange;5 - second flange;6 - gap;7 - fixed box;8 - support plate;9 - round bar;10 - cylindrical block;11 - extension rod;12 - electric cylinder;13 - connecting rod;14 - connecting block;15 - disturbance plate. DETAILED DESCRIPTION

[0023] The utility model discloses a whole three -dimensional structure schematic diagram of a pneumatic ash conveying pipe bottom disturbance device; Figures 1-2 As shown in the figure, the utility model discloses a bend, and the bottom of the bend is provided with a disturbance assembly, and the bend comprises an elbow pipe 1, a buffer pipe 2 and a reducing pipe 3, the buffer pipe 2 is fixedly communicated with one end of the elbow pipe 1 and one end of the reducing pipe 3 respectively, the bottom end of the side of the elbow pipe 1 and the buffer pipe 2 close to each other is provided with a gap 6, and the disturbance assembly is arranged below the gap 6.

[0024] As shown in the figure, the utility model discloses a bend, and the bottom of the bend is provided with a disturbance assembly, and the bend comprises an elbow pipe 1, a buffer pipe 2 and a reducing pipe 3, the buffer pipe 2 is fixedly communicated with one end of the elbow pipe 1 and one end of the reducing pipe 3 respectively, the bottom end of the side of the elbow pipe 1 and the buffer pipe 2 close to each other is provided with a gap 6, and the disturbance assembly is arranged below the gap 6. Figures 1-2 As shown in the figure, the utility model discloses a bend, and the bottom of the bend is provided with a disturbance assembly, and the bend comprises an elbow pipe 1, a buffer pipe 2 and a reducing pipe 3, the buffer pipe 2 is fixedly communicated with one end of the elbow pipe 1 and one end of the reducing pipe 3 respectively, the bottom end of the side of the elbow pipe 1 and the buffer pipe 2 close to each other is provided with a gap 6, and the disturbance assembly is arranged below the gap 6.

[0025] As shown in Figures 1-2 , the embodiment of the bottom of the pneumatic ash conveying pipe disturbance device, the elbow pipe 1 away from the buffer tube 2 one end upward and fixed connection has the second flange 5; through the second flange 5 can be connected with the ash pipe of the vertical direction of the ash pipe, so that the dry ash is input to the vertical ash pipe in turn through the reducing pipe 3, buffer tube 2 and elbow pipe 1.

[0026] As shown in Figure 1 , Figure 3 and Figure 4 , the embodiment of the bottom of the pneumatic ash conveying pipe disturbance device, disturbance assembly includes fixed box 7, the middle part of the front and back two ends of the inner bottom wall of fixed box 7 is fixedly connected with support plate 8, the middle part of two support plates 8 is fixedly connected with round rod 9, the middle part of round rod 9 is rotatably connected with cylindrical block 10 through bearing, the middle part of both sides of cylindrical block 10 is fixedly connected with connecting rod 13, one end of two connecting rods 13 away from cylindrical block 10 is fixedly connected with the same disturbance plate 15; by reciprocating cylindrical block 10 to a certain angle, two connecting rods 13 can be inclined at a certain angle, so that the two ends of disturbance plate 15 swing alternately, so that the dry ash accumulated on disturbance plate 15 is lifted up, and is driven by high speed airflow and flows into the vertical ash pipe along elbow pipe 1.

[0027] As shown in Figure 1 and Figure 3 , the embodiment of the bottom of the pneumatic ash conveying pipe disturbance device, the top opening of fixed box 7 is matched with notch 6, and the upper surface of fixed box 7 is fixedly connected with the lower surface of notch 6; by fixedly connecting the top opening of fixed box 7 with notch 6, a sealed space is formed between fixed box 7, buffer tube 2 and elbow pipe 1.

[0028] As shown in Figure 4 , the embodiment of the bottom of the pneumatic ash conveying pipe disturbance device, the bottom of cylindrical block 10 is fixedly connected with hinged seat, the inside of hinged seat is hingedly connected with extension rod 11, the right side of fixed box 7 is fixedly connected with electric cylinder 12, the output end of electric cylinder 12 penetrates fixed box 7 and extends to the inside thereof and is hingedly connected with extension rod 11; by providing power through electric cylinder 12, left and right movement can be realized through extension rod 11 under the reciprocating driving of the output end of electric cylinder 12, so that the left end of extension rod 11 rotates in hinged seat and drives cylindrical block 10 to reciprocate at a certain angle through hinged seat; wherein the device is not limited to electric cylinder 12, but can also be a power source capable of rapid reciprocating motion, such as air cylinder.

[0029] As shown in Figure 4 , the embodiment of the bottom of the pneumatic ash conveying pipe disturbance device, two connecting rods 13 are arranged in inverted eight character shape; the top end of two connecting rods 13 can drive the two ends of disturbance plate 15 to move up and down, so as to realize the lifting of the accumulated dry ash by disturbance plate 15.

[0030] As Figure 4 shown in the drawings, the bottom of the pneumatic ash conveying pipe disturbance device, the lower surface of the two ends of the disturbance plate 15 is fixedly connected with the connecting block 14, and the connecting block 14 is fixedly connected with the connecting rod 13 on the same side; it can ensure that the up-down movement angle of the two ends of the disturbance plate 15 is within a reasonable range.

[0031] As Figures 3-4 shown in the drawings, the bottom of the pneumatic ash conveying pipe disturbance device, the size of the disturbance plate 15 is matched with the size of the inside of the fixed box 7, and the disturbance plate 15 is in gap fit with the inner wall of the fixed box 7. The gap fit leaves a small gap between the inner wall of the fixed box 7 and the disturbance plate 15; the disturbance plate 15 can move up and down in the inside of the fixed box 7.

[0032] As Figure 3 shown in the drawings, the bottom of the pneumatic ash conveying pipe disturbance device, the four peripheral side walls of the disturbance plate 15 are fixedly connected with the sealing strips; the disturbance plate 15 slides with the inner wall of the fixed box 7 through the sealing strips, avoiding dry ash from falling into the bottom of the fixed box 7.

[0033] Working principle, when in use, the first flange 4 is communicated with the gas conveying pipe of the ash conveying pipe, the second flange 5 is communicated with the vertically oriented ash pipe of the ash conveying pipe, when the ash conveying system works, the dry ash can enter the vertically oriented ash pipe in sequence through the reducing pipe 3, the buffer pipe 2 and the elbow pipe 1 under the driving of the airflow, when the airflow enters the large diameter end from the small diameter end of the reducing pipe 3, the airflow velocity increases, so that the dry ash flow velocity increases, thereby greatly avoiding the dry ash from accumulating at the elbow; when the staff finds that there is dry ash accumulation at the elbow, the electric cylinder 12 can be controlled to work through the external controller, under the reciprocating driving of the output end of the electric cylinder 12, the extension rod 11 can move left and right, so that the left end of the extension rod 11 rotates in the hinged seat and drives the cylindrical block 10 to reciprocate by a certain angle through the hinged seat, the cylindrical block 10 can drive the two connecting rods 13 to tilt by a certain angle, so that the two ends of the disturbance plate 15 swing up and down alternately, and under the driving of the high-speed airflow, the dry ash separated from the disturbance plate 15 is carried away and flows into the vertically oriented ash pipe along the elbow pipe 1.

[0034] Obviously, the above embodiments are only examples for clearly illustrating, not limiting the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. The changes or variations derived therefrom are still within the protection scope of the patent application claims.

Claims

1. A pneumatic ash conveying pipe bottom agitator, characterized in that The utility model provides an elbow, the bottom of the elbow is provided with a disturbance assembly, the elbow includes an elbow pipe (1), a buffer pipe (2) and a reducing pipe (3), the buffer pipe (2) is fixedly communicated with one end of the elbow pipe (1) and one end of the reducing pipe (3) respectively, the elbow pipe (1) and the buffer pipe (2) are all provided with a notch (6) on the bottom of the side close to each other, and the disturbance assembly is arranged below the notch (6).

2. A bottom agitator for a pneumatic ash conveying pipe according to claim 1, characterized in that The large-diameter end of the reducing pipe (3) is fixedly communicated with the buffer pipe (2), and the small-diameter end of the reducing pipe (3) is fixedly connected with a first flange (4).

3. A bottom agitator for a pneumatic ash conveying pipe according to claim 2, characterized in that The end of the elbow pipe (1) away from the buffer pipe (2) is upwardly and fixedly connected with a second flange (5).

4. A bottom agitator for a pneumatic ash conveying pipe according to claim 1, characterized in that The disturbance assembly comprises a fixing box (7), the middle part of the front and rear ends of the inner bottom wall of the fixing box (7) is fixedly connected with a support plate (8), a round rod (9) is fixedly connected between the middle parts of the two support plates (8), the middle part of the round rod (9) is rotatably connected with a cylindrical block (10) through a bearing, the middle parts of the two sides of the cylindrical block (10) are fixedly connected with a connecting rod (13), and the same disturbance plate (15) is fixedly connected to the ends of the two connecting rods (13) away from the cylindrical block (10).

5. A bottom agitator for a pneumatic ash conveying pipe according to claim 4, characterized in that The top opening of the fixing box (7) is matched with the notch (6), and the upper surface of the fixing box (7) is fixedly connected with the lower surface of the notch (6).

6. A bottom agitator for a pneumatic ash conveying pipe according to claim 4, characterized in that The bottom of the cylindrical block (10) is fixedly connected with a hinged seat, the inside of the hinged seat is hingedly connected with an extension rod (11), the right side of the fixing box (7) is fixedly connected with an electric cylinder (12), and the output end of the electric cylinder (12) penetrates through the fixing box (7) and extends into the inside of the fixing box (7) and is hingedly connected with the extension rod (11).

7. A bottom agitator for a pneumatic ash conveying pipe according to claim 4, characterized in that The two connecting rods (13) are arranged in an inverted eight-character shape.

8. A bottom agitator for a pneumatic ash conveying pipe according to claim 4, characterized in that The middle part of the lower surface of each end of the disturbance plate (15) is fixedly connected with a connecting block (14), and the connecting block (14) is fixedly connected with the connecting rod (13) on the same side.

9. A bottom agitator for a pneumatic ash conveying pipe according to claim 4, characterized in that The size of the disturbance plate (15) is matched with the size of the inside of the fixing box (7), and the disturbance plate (15) is in gap cooperation with the inner wall of the fixing box (7).

10. A bottom agitator for a pneumatic ash conveying pipe according to claim 9, characterized in that The periphery of the side wall of the disturbance plate (15) is fixedly connected with a sealing strip.

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