Ash remover for power station boiler

The guiding and connecting structure of the bag filter solves the problem of inconvenient installation of power plant boiler ash collectors, enabling convenient installation and disassembly and improving equipment maintenance efficiency.

CN224024532UActive Publication Date: 2026-03-24SICHUAN ZHONGGONG TIANYUAN ENERGY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing gas transmission pipelines and ash collectors of power plant boilers are inconvenient to install and difficult to disassemble and replace, which affects gas transmission efficiency and equipment maintenance.

Method used

The bag filter is used, guided by guide rods and guide collars, connected by threaded rods and limit blocks, fixed by internal threaded sleeves, sealed by sealing rings, and the movable door panel and rack and pinion system facilitate installation and disassembly.

Benefits of technology

It achieves a stable connection between the air intake pipe and the bag filter, improves sealing, facilitates installation and disassembly, and makes equipment maintenance convenient.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ash removers, in particular to an ash remover for a power plant boiler, which comprises a cloth bag ash remover, an air inlet pipeline is arranged on the surface of the cloth bag ash remover, an exhaust pipeline is arranged on the surface of the cloth bag ash remover, and a guide rod is fixedly connected to the surface of the cloth bag ash remover. And the surface of the air inlet pipeline is fixedly connected with a guide sleeve ring. The air inlet pipeline can be installed on the surface of the cloth bag dust remover through the connection of the cloth bag dust remover and the air inlet pipeline, the guide function is provided for the installation of the air inlet pipeline through the connection of the guide rod and the guide lantern ring, the connecting rod is inserted into the surface of the connecting inserting groove, and the limiting block is connected to the surface of the connecting threaded rod. And the internal thread rotating sleeve is moved to be connected with the connecting threaded rod, so that the air inlet pipeline is fixedly mounted on the surface of the cloth bag dust remover, otherwise, the air inlet pipeline can be dismounted, and the air outlet pipeline is mounted and treated as well, so that the effect of convenient mounting and dismounting is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ash discharger technical field, specifically is a kind of ash discharger for power plant boiler. BACKGROUND

[0002] Power plant boiler refers to the boiler equipment used in thermal power plant, and its main function is to heat water into superheated steam with sufficient quantity and certain quality by burning fuel in the furnace for steam turbine use.

[0003] Power plant boiler is widely used in thermal power plant, and converts heat energy into electric energy by burning fossil fuel (such as coal, oil, natural gas, etc.). The power plant boiler usually transfers the heat released by fuel combustion to water to generate high-temperature and high-pressure steam to drive the steam turbine to generate electricity, and then converts mechanical energy into electric energy for users. This process produces a large amount of flue gas containing dust, which needs to be transported to the ash discharger for filtration before being discharged. However, when using the existing ash discharger, the installation of the gas pipeline and the ash discharger is relatively inconvenient, and most of them are fixed and not convenient to disassemble and replace. Long-term use of the pipeline can easily cause damage, affecting the gas transmission efficiency. SUMMARY

[0004] The utility model aims at providing a kind of ash discharger for power plant boiler, to solve the problem of the installation of the gas pipeline and the ash discharger being relatively inconvenient when using the ash discharger in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an ash discharger for power plant boiler, comprising a cloth bag ash discharger, an air inlet pipeline is arranged on the surface of the cloth bag ash discharger, an air outlet pipeline is arranged on the surface of the cloth bag ash discharger, a guide rod is fixedly connected to the surface of the cloth bag ash discharger, a guide sleeve ring is fixedly connected to the surface of the air inlet pipeline, a connecting threaded rod is fixedly connected to the surface of the cloth bag ash discharger, a connecting slot is formed in the surface of the connecting threaded rod, a connecting rod is fixedly connected to the surface of the air inlet pipeline, a limit block is fixedly connected to the surface of the connecting rod, an internal thread sleeve is sleeved on the surface of the connecting rod, a sealing ring is sleeved on the surface of the air inlet pipeline, a movable door plate is movably connected to the surface of the cloth bag ash discharger, an on-off handle is fixedly connected to the surface of the movable door plate, a driving rack is fixedly connected to the surface of the on-off handle, a driven gear is meshingly connected to the surface of the driving rack, a fixed shaft is fixedly connected to the inside of the cloth bag ash discharger, a driven rack is meshingly connected to the surface of the driven gear, a driven door plate is fixedly connected to the surface of the driven rack, and a movable groove is formed in the surface of the cloth bag ash discharger.

[0006] Preferably, the guide rods are symmetrically distributed in two groups on the surface of the bag ash discharger, the guide sleeves are symmetrically distributed in two groups on the surface of the air inlet pipe, and the guide sleeves are sleeved on the surface of the guide rods through the air inlet pipe.

[0007] Preferably, the connecting threaded rods are symmetrically distributed in two groups on the surface of the bag ash discharger, the connecting rods are symmetrically distributed in two groups on the surface of the air inlet pipe, the connecting rods are inserted and connected through the surface of the air inlet pipe and the connecting slot, and the limiting blocks are abuttingly connected through the surface of the connecting rods and the connecting threaded rods.

[0008] Preferably, the internal threaded sleeves are movably connected through the surface of the connecting rods and the connecting threaded rods, the internal threaded sleeves are sleeved on the surface of the connecting threaded rods through threads, and the connecting threaded rods are fixedly connected through the surface of the internal threaded sleeves and the connecting rods.

[0009] Preferably, the sealing rings are inserted and connected through the surface of the air inlet pipe and the bag ash discharger, the sealing rings are abuttingly connected through the inner surface of the air inlet pipe and the bag ash discharger, and the air inlet pipe is fixedly connected through the surface of the internal threaded sleeves and the bag ash discharger.

[0010] Preferably, the moving door plates are movably connected through the surface of the switch handle and the bag ash discharger, the driving racks are movably connected through the surface of the switch handle and the driven gear teeth, and the driven gear teeth are rotatably connected through the surface of the driving racks and the fixed shafts.

[0011] Preferably, the driven racks are movably connected through the surface of the driven gear teeth and the movable grooves, the driven door plates are movably connected through the surface of the driven racks and the movable grooves, and the driven racks are abuttingly connected through the driven gear teeth and the inside of the bag ash discharger.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. By connecting the bag ash discharger and the air inlet pipe, the air inlet pipe can be installed on the surface of the bag ash discharger, the guide rods and the guide sleeves are connected to provide a guide for the installation of the air inlet pipe, then the connecting slot and the connecting rod are connected, the connecting threaded rod and the limiting block are connected, the connecting rod is inserted into the surface of the connecting slot, the limiting block is connected to the surface of the connecting threaded rod, the internal threaded sleeve and the connecting threaded rod are connected, the internal threaded sleeve is moved to connect the internal threaded sleeve and the connecting threaded rod, thereby fixing the air inlet pipe on the surface of the bag ash discharger, the air inlet pipe and the sealing ring are connected to improve the sealing performance of the connection between the bag ash discharger and the air inlet pipe, and vice versa, the exhaust pipe can also be installed and processed, thereby achieving the effect of facilitating installation and disassembly.

[0014] 2, through the connection of the mobile door plate and the switch handle, the switch handle can drive the mobile door plate to move at the movable slot, then through the connection of the driving rack and the driven gear, the connection of the driven gear and the fixed shaft, the movement of the mobile door plate drives the driving rack to move, so as to drive the driven gear to rotate on the surface of the fixed shaft, and then through the connection of the driven gear and the driven rack, the connection of the driven door plate and the movable slot, the rotation of the driven gear drives the driven rack to move in the opposite direction of the mobile door plate, so that the driven door plate synchronously opens and closes with the movement of the mobile door plate, and the effect of facilitating the maintenance of the inside of the cloth bag ash discharger is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural front view of the utility model;

[0016] Figure 2 It is a structural side view of the utility model;

[0017] Figure 3 It is a partial view of the connection structure of the cloth bag ash discharger and the air inlet pipeline of the utility model;

[0018] Figure 4 It is a partial view of the connection structure of the connecting threaded rod and the internally threaded sleeve of the utility model;

[0019] Figure 5 It is a partial view of the connection structure of the switch handle and the driven door plate of the utility model.

[0020] In the drawing: 1, cloth bag ash discharger; 11, air inlet pipeline; 12, air outlet pipeline; 2, guide rod; 21, guide sleeve ring; 22, connecting threaded rod; 23, connecting slot; 24, connecting rod; 25, limiting block; 26, internally threaded sleeve; 27, sealing ring; 3, mobile door plate; 31, switch handle; 32, driving rack; 33, driven gear; 34, fixed shaft; 35, driven rack; 36, driven door plate; 37, movable slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides an embodiment:

[0023] The utility model provides a kind of ash remover for power plant boiler, including cloth bag ash remover 1, for the dust filtration treatment of flue gas generated by power plant boiler, the surface of cloth bag ash remover 1 is provided with air inlet duct 11, for the flue gas generated by power plant boiler is transported to the inside of cloth bag ash remover 1 and is filtered, the surface of cloth bag ash remover 1 is provided with exhaust duct 12, for the flue gas after dust filtration is discharged, the surface of cloth bag ash remover 1 is fixedly connected with guide rod 2, for inserting in guide collar 21, the installation of air inlet duct 11 is guided, the surface of air inlet duct 11 is fixedly connected with guide collar 21, for inserting in the surface of guide rod 2, the installation of air inlet duct 11 is guided, the surface of cloth bag ash remover 1 is fixedly connected with connecting threaded rod 22, for connecting internal thread sleeve 26, the surface of connecting threaded rod 22 is provided with connecting slot 23, for inserting connecting rod 24, the surface of air inlet duct 11 is fixedly connected with connecting rod 24, for connecting internal thread sleeve 26, the surface of connecting rod 24 is fixedly connected with limit block 25, for limiting the position of internal thread sleeve 26 and connecting threaded rod 22 connection, the surface of connecting rod 24 is sleeved with internal thread sleeve 26, for connecting in the surface of connecting threaded rod 22, the surface of air inlet duct 11 is sleeved with sealing ring 27, for improving the sealing property of air inlet duct 11 and cloth bag ash remover 1 connection, the surface of cloth bag ash remover 1 is movably connected with moving door plate 3, for opening to maintain the inside of cloth bag ash remover 1, the surface of moving door plate 3 is fixedly connected with switch handle 31, for moving moving door plate 3, the surface of switch handle 31 is fixedly connected with driving rack 32, for driving driven gear 33 rotation by itself movement, the surface of driving rack 32 is engagedly connected with driven gear 33, for driving driven rack 35 movement by itself rotation, the inside of cloth bag ash remover 1 is fixedly connected with fixed shaft 34, for the rotation of driven gear 33, the surface of driven gear 33 is engagedly connected with driven rack 35, for driving driven door plate 36 movement, the surface of driven rack 35 is fixedly connected with driven door plate 36, for opening to maintain the inside of cloth bag ash remover 1, the surface of cloth bag ash remover 1 is provided with movable groove 37, for moving door plate 3 and driven door plate 36 movement.

[0024] Further, guide rod 2 is symmetrically distributed in the surface of cloth bag ash remover 1 in two groups, guide collar 21 is symmetrically distributed in the surface of air inlet duct 11 in two groups, two groups of guide rod 2 and guide collar 21 make the movement of air inlet duct 11 more stable, guide collar 21 is sleeved on the surface of guide rod 2 by air inlet duct 11, move air inlet duct 11 so that guide collar 21 is sleeved on the surface of guide rod 2, then directly push air inlet duct 11 to install on the surface of cloth bag ash remover 1.

[0025] Further, the connecting threaded rods 22 are symmetrically distributed in two groups on the surface of the bag dust collector 1, the connecting rods 24 are symmetrically distributed in two groups on the surface of the air inlet pipeline 11, the arrangement of the two groups of connecting threaded rods 22 and connecting rods 24 makes the connection of the bag dust collector 1 and the air inlet pipeline 11 more stable, the connecting rod 24 is connected by inserting the surface of the air inlet pipeline 11 and the connecting slot 23, the limiting block 25 is connected by abutting the surface of the connecting rod 24 and the connecting threaded rod 22, the air inlet pipeline 11 moves to drive the connecting rod 24 to be inserted on the surface of the connecting slot 23, until the limiting block 25 abuts against the surface of the connecting slot 23, and then the subsequent installation can be carried out.

[0026] Further, the inner threaded sleeve 26 is movably connected through the surface of the connecting rod 24 and the connecting threaded rod 22, the inner threaded sleeve 26 is sleeved on the surface of the connecting threaded rod 22 through threads, the connecting threaded rod 22 is fixedly connected through the surface of the inner threaded sleeve 26 and the connecting rod 24, the inner threaded sleeve 26 is moved to the surface of the connecting threaded rod 22, and then the inner threaded sleeve 26 is screwed on the surface of the connecting threaded rod 22 by rotating, until the bottom end of the inner threaded sleeve 26 abuts against the surface of the limiting block 25, at this time, the bag dust collector 1 and the air inlet pipeline 11 are fixed together.

[0027] Further, the sealing ring 27 is connected by inserting the surface of the air inlet pipeline 11 and the bag dust collector 1, the sealing ring 27 is connected by abutting the inner surface of the air inlet pipeline 11 and the bag dust collector 1, the air inlet pipeline 11 is fixedly connected through the surface of the inner threaded sleeve 26 and the bag dust collector 1, when the air inlet pipeline 11 is installed on the surface of the bag dust collector 1, the sealing ring 27 abuts at the connection between the two, thereby improving the sealing performance of the connection between the two.

[0028] Further, the movable door plate 3 is movably connected through the surface of the switch handle 31 and the bag dust collector 1, the driving rack 32 is movably connected through the surface of the switch handle 31 and the driven gear 33, the driven gear 33 is rotatably connected through the surface of the driving rack 32 and the fixed shaft 34, the switch handle 31 is moved to drive the movable door plate 3 to slide, so that the driving rack 32 moves, and the driven gear 33 rotatable on the surface of the fixed shaft 34 is engaged with the driving rack 32.

[0029] Further, the driven rack 35 is movably connected through the surface of the driven gear 33 and the movable slot 37, the driven door plate 36 is movably connected through the surface of the driven rack 35 and the movable slot 37, the driven rack 35 is abutted through the surface of the driven gear 33 and the inside of the bag dust collector 1, the driven gear 33 rotatable on the surface of the fixed shaft 34 drives the driven rack 35 to move in the opposite direction of the movable door plate 3, so that the driven door plate 36 and the movable door plate 3 are synchronously opened.

[0030] Working principle: when using the cloth bag dust remover 1, first need to install the air inlet pipeline 11 on the surface of the cloth bag dust remover 1, the guide sleeve 21 is sleeved on the surface of the guide rod 2, then the air inlet pipeline 11 is pushed to the cloth bag dust remover 1, the sealing ring 27 is abutted at the connecting place of the two, so that the sealing property of the connection of the two is improved, at the same time, the connecting rod 24 is inserted into the surface of the connecting slot 23 until the limiting block 25 is abutted at the surface of the connecting slot 23, then the subsequent installation can be carried out, the internal thread rotating sleeve 26 is moved to the surface of the connecting threaded rod 22, then the internal thread rotating sleeve 26 is screwed on the surface of the connecting threaded rod 22 until the bottom end of the internal thread rotating sleeve 26 is abutted at the surface of the limiting block 25, at this time, the cloth bag dust remover 1 and the air inlet pipeline 11 are fixed together, the exhaust pipeline 12 is also installed, then the ventilation and dust removal can be carried out, if the inside of the cloth bag dust remover 1 needs to be overhauled, the moving door plate 3 is driven to slide through the moving switch handle 31, so that the driving rack 32 is moved, the driven rotating gear 33 meshing with the driving rack 32 is rotated on the surface of the fixed shaft 34, the driven rotating gear 33 is rotated on the surface of the fixed shaft 34, so that the driven rack 35 drives the driven door plate 36 to move in the opposite direction of the moving door plate 3, so that the driven door plate 36 and the moving door plate 3 are synchronously opened, then the inside of the cloth bag dust remover 1 can be overhauled.

[0031] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments but can be implemented in other embodiments without departing from the spirit or essential characteristics of the application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No limitation is intended to the scope of the claims with respect to any embodiment illustrated.

Claims

1. An ash collector for power plant boilers, comprising a bag filter (1), characterized in that: The surface of the bag filter (1) is provided with an air inlet pipe (11), the surface of the bag filter (1) is provided with an exhaust pipe (12), the surface of the bag filter (1) is fixedly connected with a guide rod (2), the surface of the air inlet pipe (11) is fixedly connected with a guide collar (21), the surface of the bag filter (1) is fixedly connected with a connecting threaded rod (22), the surface of the connecting threaded rod (22) is provided with a connecting slot (23), the surface of the air inlet pipe (11) is fixedly connected with a connecting rod (24), the surface of the connecting rod (24) is fixedly connected with a limit block (25), and the surface of the connecting rod (24) is fitted with an internally threaded rotating sleeve (26). A sealing ring (27) is fitted onto the surface of the air intake pipe (11). A movable door panel (3) is movably connected to the surface of the bag filter (1). A switch handle (31) is fixedly connected to the surface of the movable door panel (3). A drive rack (32) is fixedly connected to the surface of the switch handle (31). A driven rotating tooth (33) is meshed with the surface of the drive rack (32). A fixed shaft (34) is fixedly connected inside the bag filter (1). A driven rack (35) is meshed with the surface of the driven rotating tooth (33). A driven door panel (36) is fixedly connected to the surface of the driven rack (35). A movable groove (37) is opened on the surface of the bag filter (1).

2. The ash remover for power plant boilers according to claim 1, characterized in that: The guide rods (2) are symmetrically distributed in two groups on the surface of the bag filter (1), and the guide collars (21) are symmetrically distributed in two groups on the surface of the air inlet pipe (11). The guide collars (21) are sleeved on the surface of the guide rods (2) through the air inlet pipe (11).

3. The ash remover for power plant boilers according to claim 1, characterized in that: The connecting threaded rods (22) are symmetrically distributed in two groups on the surface of the bag filter (1), and the connecting rods (24) are symmetrically distributed in two groups on the surface of the air inlet pipe (11). The connecting rods (24) are connected by inserting the air inlet pipe (11) and the connecting slot (23) into each other. The limiting block (25) is connected by abutting the connecting rods (24) and the connecting threaded rods (22) into each other.

4. The ash remover for power plant boilers according to claim 1, characterized in that: The internal threaded sleeve (26) is movably connected to the surface of the connecting rod (24) and the connecting threaded rod (22). The internal threaded sleeve (26) is threaded onto the surface of the connecting threaded rod (22). The connecting threaded rod (22) is fixedly connected to the surface of the connecting rod (24) through the internal threaded sleeve (26).

5. The ash remover for power plant boilers according to claim 1, characterized in that: The sealing ring (27) is connected to the surface of the air inlet pipe (11) and the bag filter (1) by insertion. The sealing ring (27) is connected to the inner surface of the air inlet pipe (11) by abutting. The air inlet pipe (11) is fixedly connected to the surface of the bag filter (1) by the internal threaded sleeve (26).

6. The ash remover for power plant boilers according to claim 1, characterized in that: The movable door panel (3) is movably connected to the surface of the bag filter (1) via the switch handle (31), the active rack (32) is movably connected to the surface of the driven rotating gear (33) via the switch handle (31), and the driven rotating gear (33) is rotatably connected to the surface of the fixed shaft (34) via the active rack (32).

7. The ash remover for power plant boilers according to claim 1, characterized in that: The driven rack (35) is movably connected to the surface of the driven rotating tooth (33) and the movable groove (37), the driven door plate (36) is movably connected to the surface of the driven rack (35) and the movable groove (37), and the driven rack (35) is internally abutted to the bag filter (1) through the driven rotating tooth (33).