Blockage removing device for blanking pipe of preheater

Abstract

The utility model relates to the technical field of unblocking equipment, and discloses an unblocking device for a blanking pipe of a preheater, a first opening matched with an air cannon and a second opening matched with an electric piston rod are arranged on the blanking pipe, the air cannon is fixedly connected to the outer side of the blanking pipe, and an outlet of the air cannon penetrates through the first opening and is arranged in the blanking pipe; the electric piston rod is erected on the mounting support, and a piston rod body of the electric piston rod extends into the discharging pipe. When the blanking pipe is blocked, the blanking pipe is firstly bombarded by an air gun, high-pressure airflow is released to a blocked area of the blanking pipe, and blocked materials are effectively dredged; if the air cannon does not completely clean the blocked discharging pipe, the electric piston rod is used for poking the materials, and a driving device of the electric piston rod is used for providing power, so that the piston rod does reciprocating motion, mechanical force is applied to the blocked materials, the blocked materials are pushed to be scattered or moved, and the smoothness of the discharging pipe is recovered. And an air cannon is used in cooperation with the electric piston rod, so that the blocked discharging pipe can be quickly cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of plugging removal equipment, and particularly relates to a plugging removal device for a preheater feed pipe. Background Art

[0002] In the process of cement production, the preheater is one of the key equipment, which mainly consists of components such as cyclones, air ducts, feed pipes, kiln tails, and smoke chambers. The main function of the preheater is to utilize the waste heat of the exhaust gas discharged from the rotary kiln and the decomposition furnace to preheat the cement raw meal and promote the decomposition of carbonates. However, the following problems exist in the actual operation of the preheater: the raw material quality is unstable, and the sizes of the raw meal particles are different, which may cause the blockage of the preheater feed pipe, affecting the service life and safety of the preheater. Content of the Utility Model

[0003] The purpose of the utility model is to provide a plugging removal device for a preheater feed pipe to solve the problems put forward in the above background art.

[0004] To achieve the above purpose, the utility model provides the following scheme:

[0005] The utility model provides a plugging removal device for a preheater feed pipe, including: a feed pipe, an air cannon, a mounting bracket, and an electric piston rod; a first opening adapted to the air cannon and a second opening adapted to the electric piston rod are provided on the feed pipe, the air cannon is fixedly connected to the outside of the feed pipe, the air outlet of the air cannon passes through the first opening and is arranged inside the feed pipe, the electric piston rod is mounted on the mounting bracket, and the piston rod of the electric piston rod passes through the second opening and extends into the inside of the feed pipe.

[0006] In a feasible implementation manner, the air cannon is welded to the feed pipe.

[0007] In a feasible implementation manner, the air outlet of the air cannon faces the material flow direction of the feed pipe.

[0008] In a feasible implementation manner, a refractory lining layer is provided in the feed pipe.

[0009] In a feasible implementation manner, the mounting bracket includes a first horizontal plate arranged horizontally, a second horizontal plate arranged at intervals on the lower side of the first horizontal plate, and two vertical plates fixedly arranged at intervals between the two sides of the first horizontal plate and the second horizontal plate.

[0010] In a feasible implementation manner, the length of the first horizontal plate is less than the length of the second horizontal plate, and the ends of the first horizontal plate and the second horizontal plate far from the feed pipe are flush.

[0011] In a feasible implementation manner, the vertical plate is in the shape of a right trapezoid.

[0012] In a feasible implementation, a reinforcing plate is fixedly provided on the outer side of the pipe wall of the blanking pipe, and the reinforcing plate is fixedly connected to one ends of the first cross plate and the second cross plate close to the blanking pipe.

[0013] In a feasible implementation, jacks for installing the electric piston rod are provided on the first cross plate of the mounting bracket and the reinforcing plate.

[0014] In a feasible implementation, feet for supporting the mounting bracket are provided at the bottom of the second cross plate of the mounting bracket.

[0015] In a feasible implementation, the driving device of the electric piston rod is on the outer side of the pipe wall of the blanking pipe.

[0016] In a feasible implementation, the piston rod of the electric piston rod is made of heat-resistant steel.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] The present utility model provides a blanking pipe clogging clearing device for a preheater. When the blanking pipe is clogged, first bombard it with an air cannon. The air cannon directly releases high-pressure air flow to the clogging area of the blanking pipe, effectively dredging the clogged material. If the air cannon fails to completely clear the clogged blanking pipe, try to use the electric piston rod to poke the material. The driving device of the electric piston rod provides power to make the piston rod reciprocate, applying mechanical force to the clogged material to push or move the clogged material, thereby restoring the smoothness of the blanking pipe. Using the air cannon in conjunction with the electric piston rod can quickly clean the clogged blanking pipe. At the same time, the piston rod of the electric piston rod is made of heat-resistant steel. Since the blanking pipe of the preheater is usually in a high-temperature environment, the heat-resistant steel material can withstand this high temperature, ensuring that the piston rod will not be damaged due to thermal deformation during long-term operation. The structure of the present utility model is simple, the cost is low, the installation is convenient, and the maintenance is easy, providing more options for the rapid completion of the clogging clearing work. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the blanking pipe clogging clearing device of the embodiment of the present utility model;

[0020] Figure 2 is a schematic structural diagram of the mounting bracket of the blanking pipe clogging clearing device of the embodiment of the present utility model;

[0021] In the figure, 1 - blanking pipe, 2 - air cannon, 3 - mounting bracket, 4 - electric piston rod, 5 - feet, 31 - first cross plate, 32 - second cross plate, 33 - vertical plate, 34 - reinforcing plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0023] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the position or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] Embodiment 1

[0025] See Figure 1 , the present utility model provides a plugging removal device for the preheater discharge pipe, which includes a discharge pipe 1, an air cannon 2, a mounting bracket 3 and an electric piston rod 4; the discharge pipe 1 is provided with a first opening adapted to the air cannon 2 and a second opening adapted to the electric piston rod 4. The air cannon 2 is welded on the outside of the discharge pipe 1, and the air outlet of the air cannon 2 passes through the first opening and is arranged inside the discharge pipe 1. The air outlet of the air cannon 2 faces the material flow direction of the discharge pipe 1 and can directly release high-pressure air flow to the blocked area of the discharge pipe, effectively dredging the blocked material. The electric piston rod 4 is mounted on the mounting bracket 3. See Figure 2, the mounting bracket 3 includes a first horizontal plate 31 arranged horizontally, a second horizontal plate 32 spaced below the first horizontal plate 31, and two vertical plates 33 fixedly spaced between the two sides of the first horizontal plate 31 and the second horizontal plate 32. The length of the first horizontal plate 31 is less than that of the second horizontal plate 32, and one end of the first horizontal plate 31 and the second horizontal plate 32 away from the blanking pipe 1 is flush. The vertical plate is in the shape of a right trapezoid. A support foot 5 for supporting the mounting bracket 3 is provided at the bottom of the second horizontal plate 32 of the mounting bracket 3, and the support foot 5 is fixed at a nearby platform or a suitable supporting position nearby. The mounting bracket 3 can be made in an integrally formed or assembled manner according to actual needs. A reinforcing plate 34 is welded and fixed to the outer side of the pipe wall of the blanking pipe 1, and the reinforcing plate 34 is fixedly connected to one end of the first horizontal plate 31 and the second horizontal plate 32 close to the blanking pipe 1, and the stiffness and stability of the local position of the blanking pipe opening are strengthened through the reinforcing plate. The driving device of the electric piston rod 4 remains outside the pipe wall of the blanking pipe 1. The piston rod of the electric piston rod 4 passes through the first horizontal plate 31 and the jack reserved on the reinforcing plate 34 for installing the electric piston rod and extends into the interior of the blanking pipe 1 through the second opening of the blanking pipe 1. The driving device of the electric piston rod 4 provides power to make the piston rod reciprocate, apply a mechanical force to the blocked material, push or move the blocked material, so as to restore the smoothness of the blanking pipe. Multiple air cannons 2 and electric piston rods 4 can be arranged along the blanking direction of the blanking pipe 1 according to actual needs. The material of the piston rod of the electric piston rod 4 is heat-resistant steel. Since the preheater blanking pipe is usually in a high-temperature environment, the heat-resistant steel material can withstand this high temperature and ensure that the piston rod will not be damaged due to thermal deformation during long-term operation. At the same time, a refractory lining layer is provided in the blanking pipe 1 to prevent the flow of high-temperature materials from damaging the pipeline and the electric piston rod.

[0026] When the blanking pipe is blocked, first bombard it with an air cannon. After the air cannon fails, try to use an electric piston rod to poke the material. Using the air cannon in combination with the electric piston rod can quickly clean the blocked blanking pipe.

[0027] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A device for clearing blockage of a preheater feed pipe, characterized in that: include: A feeding pipe, an air cannon, a mounting bracket and an electric piston rod; the feeding pipe is provided with a first opening adapted to the air cannon and a second opening adapted to the electric piston rod, the air cannon is fixedly connected to the outside of the feeding pipe, and the air outlet of the air cannon is arranged inside the feeding pipe through the first opening; the electric piston rod is mounted on the mounting bracket, and the piston rod of the electric piston rod extends to the inside of the feeding pipe through the second opening.

2. The preheater feed pipe clearing device according to claim 1, characterized in that: The air cannon is welded on the feed pipe.

3. The preheater feed pipe clearing device according to claim 1, characterized in that: A refractory lining layer is arranged in the feed pipe.

4. The preheater feed pipe clearing device according to claim 1, characterized in that: The mounting bracket comprises a first horizontally arranged horizontal plate, a second horizontal plate spaced apart at the lower side of the first horizontal plate, and two vertical plates spaced apart and fixed between the first horizontal plate and the second horizontal plate.

5. The preheater feed pipe clearing device according to claim 4, characterized in that: The length of the first transverse plate is smaller than that of the second transverse plate, and the first transverse plate is flush with an end of the second transverse plate away from the feeding tube.

6. The device for clearing blockage of the feed pipe of a preheater according to claim 4, characterized in that: The vertical plate is in a right-angle trapezoid shape.

7. The preheater feed pipe clearing device according to claim 4, characterized in that: A reinforcing plate is fixedly provided on the outer side of the tube wall of the feeding tube, and the reinforcing plate is fixedly connected to the first transverse plate and one end of the second transverse plate close to the feeding tube.

8. The device for clearing blockage of the feed pipe of a preheater according to claim 7, characterized in that: The first transverse plate and the reinforcing plate of the mounting bracket are provided with a socket for mounting the electric piston rod.

9. The preheater feed pipe clearing device according to claim 4, characterized in that: A support foot for supporting the mounting bracket is arranged at the bottom of the second transverse plate of the mounting bracket.

10. The preheater feed pipe clearing device according to claim 1, characterized in that: The piston rod of the electric piston rod is made of heat-resistant steel.

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