Ash pipe anti-blocking device

By introducing an auxiliary blowing pipe and a replaceable cleaning rod into the ash discharge pipe, the blockage problem of the ash discharge pipe in the desulfurization system was solved by using high-pressure airflow and a scraper structure, achieving a highly efficient cleaning effect.

CN224590039UActive Publication Date: 2026-08-04INNER MONGOLIA DATANG INT RENEWABLE RESOURCES DEV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
INNER MONGOLIA DATANG INT RENEWABLE RESOURCES DEV
Filing Date
2025-09-05
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

The ash discharge pipes of the desulfurization system are prone to blockage and difficult to clean, which may lead to complete blockage after a long period of time.

Method used

Design a device to prevent clogging of ash discharge pipes, including a blower pipe and a cleaning rod. It uses high-pressure airflow to blow and combines scraper rings and brushes for cleaning. The cleaning rod is replaceable to adapt to different cleaning needs.

Benefits of technology

It effectively prevents ash discharge pipe blockage, improves cleaning efficiency, and ensures smooth pipe flow.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses an anti-clogging device for ash discharge pipes, including a silo pump pipe, an ash discharge pipe connected to the silo pump pipe, and an auxiliary blowing pipe connected to the silo pump pipe. A valve is installed on the auxiliary blowing pipe, and an air supply pipe is installed at the end of the auxiliary blowing pipe furthest from the silo pump pipe. A cap is installed at the end of the ash discharge pipe closest to the silo pump pipe, and a handle is installed on the cap. A connecting hole is opened at the end of the handle inside the ash discharge pipe. In this anti-clogging device, a cleaning rod with a scraper ring is installed on the handle. Pushing the handle to slide back and forth on the cap causes the handle to drive the scraper ring to scrape the inner wall of the ash discharge pipe, cleaning the accumulated dust. This facilitates high-pressure airflow purging. The cleaning rod can be replaced on the handle through the connector and connecting hole, easily changing to a specification with bristles. This allows the handle to be rotated on the cap, facilitating the cleaning rod to drive the bristles to brush away the dust inside the ash discharge pipe, improving the cleaning effect.
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Description

Technical Field

[0001] This utility model relates to the field of pipeline anti-blocking technology, specifically an anti-blocking device for ash discharge pipelines. Background Technology

[0002] The original design of the desulfurization system's external ash discharge pipeline was for multiple silo pumps to share a single main ash discharge pipe. In actual operation, when a silo pump starts discharging ash, material accumulates inside the pipeline, causing frequent blockages. It is also inconvenient to clean the desulfurization ash accumulated on the inner wall of the ash discharge pipe. Over time, this can easily lead to complete blockage of the ash discharge pipe. Utility Model Content

[0003] The purpose of this utility model is to provide an anti-clogging device for ash discharge pipes, so as to solve the problems mentioned in the background art, such as the accumulation of materials in the pipes, frequent blockages, and the inconvenience of cleaning the desulfurization ash accumulated on the inner wall of the ash discharge pipe, which can easily lead to blockage of the ash discharge pipe after a long time.

[0004] This utility model provides the following technical solution: an anti-clogging device for ash discharge pipes, including a silo pump pipe, an ash discharge pipe connected to the silo pump pipe, an auxiliary blowing pipe connected to the silo pump pipe, a valve installed on the auxiliary blowing pipe, an air supply pipe installed at the end of the auxiliary blowing pipe away from the silo pump pipe, a cap threadedly connected to the end of the ash discharge pipe near the silo pump pipe, a handle installed on the cap, a mating hole opened at one end of the handle, a cleaning rod installed at the end of the handle, the cleaning rod being disposed inside the ash discharge pipe, and a connector installed at the end of the cleaning rod near the handle.

[0005] Preferably, the blowing aid pipe has an inclined structure, and the air outlet of the blowing aid pipe faces the connection between the silo pump pipe and the ash discharge pipe.

[0006] Preferably, the handle and the cover are connected by a through-type sliding connection.

[0007] Preferably, the connector on the cleaning rod is located in the mating hole at the end of the handle, and the cleaning rod is threadedly connected to the handle through the connector and the mating hole.

[0008] Preferably, the surface of the cleaning rod is provided with bristles.

[0009] Preferably, the end of the cleaning rod is uniformly equipped with support rods, and a scraper ring is installed on the end of the multiple support rods away from the cleaning rod. The outer edge of the scraper ring is in contact with the inner wall of the ash discharge pipe.

[0010] The beneficial effects of this utility model are as follows: This anti-clogging device for ash discharge pipes allows the high-pressure airflow in the auxiliary blowing pipe to sweep away the desulfurization ash inside the ash discharge pipe. At the same time, a cleaning rod with a scraper ring can be installed on the handle, and then the handle can be pushed to slide back and forth on the cover. Thus, the handle drives the scraper ring to scrape the inner wall of the ash discharge pipe through the cleaning rod, cleaning the accumulated dust, which is conducive to the sweeping of high-pressure airflow. The cleaning rod can be replaced on the handle through the connector and mating hole, making it easy to replace it with a specification with bristles. Then, the handle can be turned to rotate on the cover, making it easy for the cleaning rod to drive the bristles to brush away the ash inside the ash discharge pipe, improving the cleaning effect. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the connection structure between the handle and the cleaning rod of this utility model; Figure 3 This is a schematic diagram of the separate structure of the handle and cleaning rod of this utility model; Figure 4 This is a schematic diagram of the scraper ring installation structure of this utility model.

[0012] In the diagram: 1. Silo pump pipe; 2. Ash discharge pipe; 3. Auxiliary blowing pipe; 4. Valve; 5. Gas transmission pipe; 6. Cover; 7. Handle; 8. Connecting hole; 9. Cleaning rod; 10. Connecting joint; 11. Brush bristles; 12. Support rod; 13. Scraper ring. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] Example 1

[0015] Please see Figures 1-3 This utility model provides a technical solution: an anti-clogging device for ash discharge pipes, including a silo pump pipe 1, an ash discharge pipe 2 connected to the silo pump pipe 1, an auxiliary blowing pipe 3 connected to the silo pump pipe 1, a valve 4 installed on the auxiliary blowing pipe 3, an air supply pipe 5 installed at the end of the auxiliary blowing pipe 3 away from the silo pump pipe 1, a cap 6 threadedly connected to the end of the ash discharge pipe 2 near the silo pump pipe 1, facilitating the installation or removal of related structures on the ash discharge pipe 2 by the cap 6; a handle 7 installed on the cap 6, a mating hole 8 opened at one end of the handle 7, a cleaning rod 9 installed at the end of the handle 7, the cleaning rod 9 being located inside the ash discharge pipe 2, and a connector 10 installed at the end of the cleaning rod 9 near the handle 7.

[0016] The blow-aid pipe 3 has an inclined structure, and the air outlet of the blow-aid pipe 3 faces the connection between the silo pump pipe 1 and the ash discharge pipe 2, which is conducive to the smooth blowing of high-pressure airflow into the ash discharge pipe 2 for purging.

[0017] The handle 7 and the cover 6 are connected by a through sliding connection, which allows the handle 7 to be turned to rotate on the cover 6, and also allows the handle 7 to be pushed to perform a pull-pull reciprocating motion on the cover 6.

[0018] The connector 10 on the cleaning rod 9 is located in the mating hole 8 at the end of the handle 7. The cleaning rod 9 is threadedly connected to the handle 7 through the connector 10 and the mating hole 8, which facilitates the stable installation or disassembly and replacement of the cleaning rod 9 on the handle 7.

[0019] The surface of the cleaning rod 9 is provided with bristles 11. The bristles 11 on the cleaning rod 9 can be used to clean the dust in the ash discharge pipe 2 in a concentrated manner, and then the dust is carried out by the high-pressure airflow.

[0020] Example 2

[0021] The difference between this embodiment and embodiment one is that: support rods 12 are evenly installed at the end of the cleaning rod 9, and a scraper ring 13 is installed at the end of the support rod 12 away from the cleaning rod 9. The outer edge of the scraper ring 13 is in contact with the inner wall of the ash discharge pipe 2. The cleaning rod 9 with the scraper ring 13 installed can scrape off the stubborn dust accumulated on the inner wall of the ash discharge pipe 2.

[0022] Working principle: When using this ash discharge pipe anti-clogging device, firstly as follows... Figures 1-4 As shown, the cleaning rod 9 with the scraper ring 13 is installed on the handle 7 through the connector 10 and the docking hole 8. Then, the cover 6 with the handle 7 and the cleaning rod 9 is screwed onto the ash discharge pipe 2, so that the cleaning rod 9 is located inside the ash discharge pipe 2. The valve 4 is opened, and the external high-pressure airflow is injected into the auxiliary blowing pipe 3 through the air supply pipe 5. The high-pressure airflow in the auxiliary blowing pipe 3 can blow away the desulfurization ash in the ash discharge pipe 2. At the same time, the handle 7 is pushed to slide back and forth on the cover 6, so that the handle 7 drives the scraper ring 13 to scrape the inner wall of the ash discharge pipe 2 through the cleaning rod 9, cleaning the accumulated stubborn dust, which is conducive to the blowing of high-pressure airflow. The cleaning rod 9 can be replaced on the handle 7 through the connector 10 and the docking hole 8, so that it can be replaced with a specification with bristles 11. Then, the handle 7 can be twisted to rotate on the cover 6, so that the cleaning rod 9 can drive the bristles 11 to brush the ash in the ash discharge pipe 2, which is conducive to the airflow to carry out and improve the cleaning effect.

[0023] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A device for preventing blockage of ash discharge pipes, comprising a silo pump pipe (1), characterized in that: The silo pump pipe (1) is connected to a ash discharge pipe (2), and the silo pump pipe (1) is also connected to a blow-aid pipe (3). A valve (4) is installed on the blow-aid pipe (3). An air supply pipe (5) is installed at the end of the blow-aid pipe (3) away from the silo pump pipe (1). A cap (6) is threadedly connected to the end of the ash discharge pipe (2) near the silo pump pipe (1). A handle (7) is installed on the cap (6). A docking hole (8) is opened at one end of the handle (7). A cleaning rod (9) is installed at the end of the handle (7). The cleaning rod (9) is located inside the ash discharge pipe (2). A connector (10) is installed at the end of the cleaning rod (9) near the handle (7).

2. The anti-clogging device for ash discharge pipes according to claim 1, characterized in that: The blowing aid pipe (3) has an inclined structure, and the air outlet of the blowing aid pipe (3) faces the connection between the silo pump pipe (1) and the ash discharge pipe (2).

3. The anti-clogging device for ash discharge pipes according to claim 1, characterized in that: The handle (7) and the cover (6) are connected by a through sliding connection.

4. The anti-clogging device for ash discharge pipes according to claim 1, characterized in that: The connector (10) on the cleaning rod (9) is located in the mating hole (8) at the end of the handle (7), and the cleaning rod (9) is threadedly connected to the handle (7) through the connector (10) and the mating hole (8).

5. The anti-clogging device for ash discharge pipes according to claim 4, characterized in that: The surface of the cleaning rod (9) is provided with bristles (11).

6. The anti-clogging device for ash discharge pipes according to claim 4, characterized in that: The cleaning rod (9) is uniformly equipped with support rods (12) at its end. Multiple support rods (12) are equipped with scraper rings (13) at their ends away from the cleaning rod (9). The outer edge of the scraper ring (13) is in contact with the inner wall of the ash discharge pipe (2).