Blanking device for preheating high-activity lime rotary kiln

Abstract

The utility model relates to the technical field of rotary kiln preheaters, in particular to a discharging device for preheating a high-activity lime rotary kiln, which comprises a discharging pipe, a clamping edge arranged on the outer side of the lower end of the discharging pipe, a movable sleeve arranged on the outer side of the discharging pipe, a limiting table arranged on the inner side of the movable sleeve, and a telescopic rod arranged on the side of the discharging pipe. A protection groove is formed in the position, located above the limiting table, of the inner side of the movable sleeve, a positioning plate is arranged in the protection groove, rolling wheels are arranged on the two sides of the positioning plate, shock absorbers are arranged on one sides of the rolling wheels, and an electric push rod is arranged on the outer side of the movable sleeve. The auxiliary sliding and damping supporting of the movable sleeve are achieved through matched rolling of the idler wheels and damping buffering of the dampers on the idler wheels, friction resistance and vibration in the moving process of the movable sleeve are reduced, the multiple positioning plates are driven by the electric push rod to be tightly attached to the outer side of the discharging pipe through the damping cushion blocks, and therefore the discharging pipe is more stable. Positioning and damping supporting of the movable sleeve are achieved, and the stability of the movable sleeve is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rotary kiln preheater technical field especially relates to high activity lime rotary kiln preheats with the discharging device. BACKGROUND

[0002] Rotary kiln lime is a kind of white powder obtained by calcining through rotary kiln, and the main component is calcium oxide, with high purity and activity, widely used in construction, chemical industry, metallurgy, environmental protection and other fields, rotary kiln preheater is the important component in rotary kiln system, for the cold material is heated to the appropriate temperature in advance, for the heat treatment process of rotary kiln provides necessary heat energy.

[0003] For example patent number CN 221376266U, discloses a rotary kiln preheater adjustable discharging pipe, including sleeve, the sleeve sleeve installation is in the bottom of discharge pipe, the side wall of sleeve is fixedly installed with telescopic link;The bottom end outer wall of discharge pipe is fixedly provided with the clamping edge of sleeve adaptation;The top end inner wall of sleeve is fixedly provided with the limiting platform of discharge pipe adaptation;The utility model discloses a sleeve that can be adjusted up and down is arranged on the discharge pipe, can realize the adjustment of the material stock height in rotary kiln preheater according to different materials, further realizes the adjustment of the flue negative pressure in rotary kiln preheater, helps to adjust the predecomposition rate of material in preheater, further reduces production cost;At the same time, by the inner side wall of sleeve and the middle part of limiting platform are designed as arc structure, can effectively reduce the friction between sleeve and discharge pipe, facilitate the reciprocating motion of telescopic link driving sleeve on discharge pipe;The discharging device of rotary kiln preheating in the patent relies on telescopic link to adjust the length of pipeline, causes the heavy work burden of telescopic link, and the stability of pipeline is low, and noise is easily generated due to vibration and friction in the adjustment and use process, and the service life of telescopic link is affected.

[0004] Therefore, in view of the heavy work burden of telescopic link of the above-mentioned rotary kiln preheating discharging device, and the low stability of the pipeline, the noise is easily generated due to vibration and friction, the high-activity lime rotary kiln preheating discharging device can be designed, the rolling support structure and the positioning fixing structure are set, the movable pipeline is conveniently assisted and fixed, the stability of the device is improved, and the work burden of the telescopic link is reduced. UTILITY MODEL CONTENTS

[0005] In order to overcome the heavy work burden of telescopic link of rotary kiln preheating discharging device, and the low stability of the pipeline, the noise is easily generated due to vibration and friction.

[0006] The utility model discloses a technical scheme for a high-activity lime rotary kiln preheating discharging device, which comprises a discharging pipe, a clamping edge arranged on the outer side of the lower end of the discharging pipe, a movable sleeve arranged on the outer side of the discharging pipe, a limiting table arranged on the inner side of the movable sleeve, an extension rod arranged on the side of the discharging pipe, a protection groove arranged above the limiting table on the inner side of the movable sleeve, a positioning plate arranged in the protection groove, rollers arranged on the two sides of the positioning plate, a shock absorber arranged on one side of the roller, and an electric push rod arranged on the outer side of the movable sleeve.

[0007] Preferably, the rollers are matched with each other to roll, and the shock absorber is used to reduce the friction resistance and vibration during the movement of the movable sleeve. After the movable sleeve is moved to a suitable position, the electric push rod is used to drive the multiple positioning plates to tightly adhere to the outer side of the discharging pipe through the shock pads, so as to realize the positioning and shock absorption support of the movable sleeve, improve the stability of the movable sleeve, reduce the working load of the extension rod, and reduce the working noise of the discharging device.

[0008] Preferably, the clamping edge and the discharging pipe are integrally formed, the inner side of the clamping edge and the inner side of the movable sleeve are matched with each other, and the limiting table and the inner side of the movable sleeve are fixedly connected.

[0009] Preferably, the output end of the extension rod and the outer side of the upper end of the movable sleeve are fixedly connected, and the protection groove is arranged on the inner side of the movable sleeve in a front-rear and left-right symmetrical manner.

[0010] Preferably, the rollers are arranged in an up-down parallel manner, and the outer side of the roller and the discharging pipe are tightly adhered to each other.

[0011] Preferably, the outer side of the roller is rotatably connected with a support seat, one end of the shock absorber is fixedly connected with the support seat, and the other end of the shock absorber is fixedly connected with the inner side of the protection groove.

[0012] Preferably, the electric push rod is fixedly connected with the outer side of the movable sleeve, and the electric push rod is arranged in a front-rear and left-right symmetrical manner.

[0013] Preferably, the output end of the electric push rod is fixedly connected with the inner side of the protection groove and the positioning plate, the shock pads are fixedly installed on the surface of the positioning plate, and the positioning plate, the shock pads, and the outer side of the discharging pipe are parallel to each other.

[0014] The utility model has the advantages of:

[0015] The high-activity lime rotary kiln preheating discharging device realizes the auxiliary sliding and damping support of the movable sleeve, reduces the friction resistance and vibration in the moving process of the movable sleeve, after the movable sleeve is moved to the appropriate position, a plurality of positioning plates are driven by the electric push rod to tightly adhere to the outer side of the discharging pipe through damping pads, the positioning and damping support of the movable sleeve are realized, the stability of the movable sleeve is improved, the working burden of the telescopic rod is reduced, and the working noise of the discharging device is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A high-activity lime rotary kiln preheating discharging device is shown in the three-dimensional structure schematic view.

[0017] Figure 2 A discharging pipe is shown in the three-dimensional structure schematic view.

[0018] Figure 3 A movable sleeve is shown in the three-dimensional structure schematic view.

[0019] Figure 4 A high-activity lime rotary kiln preheating discharging device is shown in the three-dimensional structure schematic view. Figure 1

[0020] Figure 5 A high-activity lime rotary kiln preheating discharging device is shown in the three-dimensional structure schematic view. Figure 2

[0021] The reference signs are explained as follows: 1, discharging pipe; 11, clamping edge; 2, movable sleeve; 21, limiting table; 3, telescopic rod; 4, protection groove; 5, positioning plate; 51, damping pad; 6, roller; 61, supporting seat; 7, damper; 8, electric push rod. DETAILED DESCRIPTION

[0022] The utility model is further explained in connection with the drawings and examples.

[0023] Please refer to Figures 1-5 The utility model provides a kind of example: high-activity lime rotary kiln preheating discharging device, including discharging pipe 1, the outer side of the lower end of discharging pipe 1 is provided with clamping edge 11, the outer side of discharging pipe 1 is provided with movable sleeve 2, the inner side of movable sleeve 2 is provided with limiting table 21, the side of discharging pipe 1 is provided with telescopic rod 3, the inner side of movable sleeve 2 is located above limiting table 21 and is provided with protection groove 4, the inside of protection groove 4 is provided with positioning plate 5, the two sides of positioning plate 5 are provided with roller 6, the side of roller 6 is provided with damper 7, the outer side of movable sleeve 2 is provided with electric push rod 8.

[0024] Please refer to​​Figures 1-4 In the embodiment, the clamping edge 11 is integrally formed with the blanking pipe 1, the inner side of the clamping edge 11 and the inner side of the movable sleeve 2 are matched with each other, the limiting table 21 and the inner side of the movable sleeve 2 are fixedly connected, the lower end of the limiting table 21 and the clamping edge 11 are matched with each other, the output end of the telescopic rod 3 and the outer side of the upper end of the movable sleeve 2 are fixedly connected, the protection groove 4 is symmetrically arranged on the inner side of the movable sleeve 2, the rollers 6 are arranged in parallel from top to bottom, the outer side of the roller 6 is rotatably connected with the supporting seat 61, one end of the shock absorber 7 is fixedly connected with the supporting seat 61, and the other end of the shock absorber 7 is fixedly connected with the inner side of the protection groove 4, wherein the outer side of the limiting table 21 and the blanking pipe 1 have a certain gap, and the inner side of the clamping edge 11 and the movable sleeve 2 have a certain gap, the telescopic rod 3 can drive the movable sleeve 2 to move on the outer side of the blanking pipe 1, so that the length of the blanking pipe 1 is flexibly adjusted, in the moving process, the roller 6 rolls in cooperation, the shock absorber 7 buffers the roller 6, the auxiliary sliding and shock support of the movable sleeve 2 are realized, and the frictional resistance and vibration in the moving process of the movable sleeve 2 are reduced.

[0025] Please refer to Figures 3-5 In the embodiment, the electric push rod 8 is fixedly connected with the outer side of the movable sleeve 2, the electric push rod 8 is symmetrically arranged from front to back and from left to right, the output end of the electric push rod 8 extends to the inner side of the protection groove 4 and is fixedly connected with the positioning plate 5, the shock pad 51 is fixedly installed on the surface of the positioning plate 5, the positioning plate 5, the shock pad 51 and the outer side of the blanking pipe 1 are parallel to each other, after the movable sleeve 2 moves to a suitable position, the plurality of positioning plates 5 are driven by the electric push rod 8 to be closely attached to the outer side of the blanking pipe 1 through the shock pad 51, the positioning and shock support of the movable sleeve 2 are realized, the stability of the movable sleeve 2 is improved, the working burden of the telescopic rod 3 is reduced, and the working noise of the blanking device is reduced.

[0026] In the working process, the telescopic rod 3 can drive the movable sleeve 2 to move on the outer side of the blanking pipe 1, so that the length of the blanking pipe 1 is flexibly adjusted, in the moving process, the roller 6 rolls in cooperation, the shock absorber 7 buffers the roller 6, the auxiliary sliding and shock support of the movable sleeve 2 are realized, and the frictional resistance and vibration in the moving process of the movable sleeve 2 are reduced, after the movable sleeve 2 moves to a suitable position, the plurality of positioning plates 5 are driven by the electric push rod 8 to be closely attached to the outer side of the blanking pipe 1 through the shock pad 51, the positioning and shock support of the movable sleeve 2 are realized, the stability of the movable sleeve 2 is improved, the working burden of the telescopic rod 3 is reduced, and the working noise of the blanking device is reduced.

[0027] Through the above steps, through the cooperation of the roller 6 rolling, the shock absorber 7 reduces the friction resistance and vibration of the movable sleeve 2 during the movement, and after the movable sleeve 2 is moved to the appropriate position, the multiple positioning plates 5 are driven by the electric push rod 8 to tightly adhere to the outside of the blanking pipe 1 through the shock pad 51, realizing the positioning and shock support of the movable sleeve 2, so as to solve the problems that the telescopic rod of the blanking device for the rotary kiln preheating has a large working burden, the stability of the pipeline is low, and noise is easily generated due to vibration and friction.

Claims

1. A high-activity lime rotary kiln preheating discharging device, comprising a discharging pipe (1), characterized in that: The outer side of the lower end of the blanking pipe (1) is provided with a clamping edge (11), the outer side of the blanking pipe (1) is provided with a movable sleeve (2), the inner side of the movable sleeve (2) is provided with a limiting table (21), the side of the blanking pipe (1) is provided with a telescopic rod (3), the inner side of the movable sleeve (2) is provided with a protection groove (4) above the limiting table (21), the inner side of the protection groove (4) is provided with a positioning plate (5), the two sides of the positioning plate (5) are provided with a roller (6), one side of the roller (6) is provided with a shock absorber (7), the outer side of the movable sleeve (2) is provided with an electric push rod (8).

2. The high-activity lime rotary kiln preheating discharging device according to claim 1, characterized in that: The clamping edge (11) and the blanking pipe (1) are integrally formed, the inner side of the clamping edge (11) and the movable sleeve (2) are matched with each other, the limiting table (21) and the inner side of the movable sleeve (2) are fixedly connected, and the lower end of the limiting table (21) and the clamping edge (11) are matched with each other.

3. The high-activity lime rotary kiln preheating discharging device according to claim 1, characterized in that: The output end of the telescopic rod (3) and the outer side of the upper end of the movable sleeve (2) are fixedly connected, and the protection groove (4) is symmetrically arranged front and back and left and right on the inner side of the movable sleeve (2).

4. The high-activity lime rotary kiln preheating discharging device according to claim 1, characterized in that: The rollers (6) are arranged in parallel up and down, and the outer sides of the rollers (6) and the blanking pipe (1) are matched with each other.

5. The high-activity lime rotary kiln preheating discharging device according to claim 1, characterized in that: The outer side of the roller (6) is rotatably connected with a supporting seat (61), one end of the shock absorber (7) is fixedly connected with the supporting seat (61), and the other end of the shock absorber (7) is fixedly connected with the inner side of the protection groove (4).

6. The high-activity lime rotary kiln preheating discharging device according to claim 1, characterized in that: The electric push rod (8) and the outer side of the movable sleeve (2) are fixedly connected, and the electric push rod (8) is symmetrically arranged front and back and left and right.

7. The high-activity lime rotary kiln preheating discharging device according to claim 1, characterized in that: The output end of the electric push rod (8) extends to the inner side of the protection groove (4) and is fixedly connected with the positioning plate (5), the surface of the positioning plate (5) is fixedly installed with a shock pad (51), and the outer sides of the positioning plate (5), the shock pad (51) and the blanking pipe (1) are parallel to each other.

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