Dust removal and denitration integrated ash removal device

By designing an integrated dust removal and denitrification ash removal device, and adopting dust removal cotton and a through-connection structure, the problems of easy damage and blockage of traditional devices are solved, and continuous treatment and efficient purification of flue gas are achieved.

CN224925815UActive Publication Date: 2026-11-03HUADIAN YILI COAL POWER CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202522590256.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-05
Publication Date
2026-11-03
Estimated Expiration
2035-12-05

AI Technical Summary

Technical Problem

Traditional ash removal devices are prone to damaging the catalyst, ash accumulation can easily cause blockages, process connections are not smooth, and dust backflow is serious, which affects the purification effect.

Method used

Design an integrated dust removal and denitrification ash removal device, which adopts an air-filling pipe with dust removal cotton and a through-connection structure, combined with an upward-sloping ash discharge port, to ensure gentle airflow and smooth dust discharge, avoid equipment damage and blockage, and achieve continuous process processing.

Benefits of technology

Protect equipment components, extend service life, reduce clogging frequency, improve purification effect, reduce dust backflow, and ensure stable operation of the device.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224925815U_ABST
    Figure CN224925815U_ABST
Patent Text Reader

Abstract

The utility model provides dust removal denitration integration ash removal device relates to dust removal denitration instrument technical field, including ash removal bin, the store of selling, gas storehouse, fastening screw, ash pole connection support frame, gas port pipe, ware rack, the ware of selling, inflatable tube and connecting pipe, ash removal bin one side is equipped with a group of square grooves, and the ash pole connection support frame is connected with the clamping in ash removal bin one side square groove, ash pole connection support frame one side is equipped with a group of round holes, gas storehouse one side round pipe clamping is connected in ash pole connection support frame one side round hole, gas storehouse one side is equipped with round through -hole, and the connecting pipe is connected with the clamping in gas storehouse one side round through -hole, through the inflatable tube of dust removal cotton lets ash removal airflow be softer, protect component prolongs the service life, with the bottom ash outlet and the oblique upper gas port avoid dust accumulation blockage, through the gas port pipe realizes the through -and -through of bin body, and each component is closely matched to let the process link smooth, reduces dust backflow, promotes the flue gas purification effect.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the technical field of dust removal and denitrification equipment, and more specifically, it relates to an integrated dust removal and denitrification ash removal device. Background Technology

[0002] Industrial production processes generate flue gas containing dust and harmful gases. Direct emission of this flue gas can impact the environment, necessitating specialized purification equipment. With increasing environmental protection requirements and improved production efficiency, there is a growing preference for integrated treatment equipment rather than separating dust removal, denitrification, and ash removal into multiple independent devices. Integrated dust removal, denitrification, and ash removal devices are designed to meet this demand. They integrate the three core functions of dust removal, harmful gas decomposition, and ash removal into a single device, allowing flue gas to be continuously treated within the same chamber without the need for transporting it between multiple devices. This design not only adapts to the actual working conditions in industrial production but also better connects various processing procedures, meeting the dual requirements of environmental emissions and production operation. It has wide application potential in various industrial flue gas purification scenarios.

[0003] Based on the above, traditional pulse jet cleaning, which is commonly used for dust removal, is prone to damaging the catalyst. The mechanical vibration force is difficult to control and can also cause the equipment to age easily. The ash hopper is mostly a vertical or inclined planar design, which makes it easy for dust to accumulate in the corners and form blockages, resulting in poor ash discharge. The catalyst support grid is flat, which is also prone to accumulating dust and blocking the channels, affecting the treatment effect. In addition, the processes of dust removal, denitrification and ash removal are not smoothly connected, and some dust will flow back between different treatment stages, thereby reducing the overall purification effect. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides an integrated dust removal and denitrification ash removal device, which solves the problems of existing ash removal equipment being easily damaged and catalysts being damaged, ash accumulation easily causing blockages leading to poor ash discharge, and poor process connection easily causing dust backflow.

[0005] This utility model of an integrated dust removal, denitrification, and ash removal device is achieved through the following specific technical means: An integrated dust removal and denitrification device includes a dust removal bin, a pin removal bin, an air chamber, fastening screws, a dust rod connecting support frame, an air inlet pipe, a pin holder frame, a pin remover, an air filling pipe, and a connecting pipe. The dust removal bin has a set of square grooves on one side, and a dust rod connecting support frame is fitted into these grooves. A set of circular holes is located on one side of the dust rod connecting support frame, and a circular pipe on one side of the air chamber is fitted into these circular holes. A circular through hole is located on one side of the air chamber, and a connecting pipe is fitted into this through hole. The other end of the connecting pipe is fitted into a circular connection port on one side of the air filling pipe. A set of pin holder frames is welded to each of the two sides inside the pin removal bin, and a circular connection hole is located in the middle of each pin holder frame. A pin remover is rotatably connected into this circular connection hole. A set of circular openings is located on each side of the pin removal bin, and one circular opening on one side of the pin removal bin is fitted into one end of the air inlet pipe.

[0006] Furthermore, a circular air nozzle is provided on the outside of the inflation tube, and a dust removal cotton is attached to the outside of the inflation tube.

[0007] Furthermore, one side of the ash removal bin is welded to one end of the air inlet pipe, and the ash removal bin is connected to the denitrification bin through the air inlet pipe.

[0008] Furthermore, a connecting plate is provided on the outside of the ash removal hopper, and threaded holes are provided on the connecting plate on the outside of the ash removal hopper. The ash hopper frame is fastened to the connecting plate on the outside of the ash removal hopper by screws.

[0009] Furthermore, the bottom two sides of the desiccant are provided with connecting plates, and the connecting plates at the bottom two sides of the desiccant are provided with threaded holes. The desiccant rack is fastened to the connecting plates at the bottom two sides of the desiccant by screws.

[0010] Furthermore, the bottom of the ash removal hopper is provided with a set of ash discharge ports, and the air inlet is located diagonally above it.

[0011] Compared with the prior art, the present invention has the following beneficial effects: 1. This utility model, by setting an air inlet pipe with dust removal cotton, allows for uniform airflow through the circular air nozzle on the outside of the air inlet pipe. Combined with the buffering effect of the dust removal cotton, the airflow is gentler and will not directly impact the catalyst and the inside of the equipment. This avoids the damage caused by traditional dust removal methods, better protects the components, and extends the service life of the entire device.

[0012] 2. By setting a bottom dust collection port and an upward-sloping air inlet, the airflow can carry dust to the dust collection port. In addition, the through design of the dust removal chamber and the descaling chamber allows dust to fall and be discharged smoothly, without accumulating in corners and blocking the channel, reducing the frequency of cleaning and ensuring stable operation of the device.

[0013] 3. This utility model achieves a through connection between the ash removal chamber and the denitrification chamber through the air inlet pipe. The various components are closely matched by means of clamping, welding and other methods, so that the dust removal, denitrification and ash removal processes are smoothly connected, the flue gas can be continuously treated, the dust backflow is reduced, and the overall flue gas purification effect is improved. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the ash removal component of this utility model.

[0016] Figure 3 This is a cross-sectional structural diagram of the dust removal component of this utility model.

[0017] Figure 4 This is a cross-sectional structural diagram of the pin-removing device assembly of this utility model.

[0018] Figure 5 This is a cross-sectional structural diagram of the pin holder assembly of this utility model.

[0019] Figure 6 This is a schematic diagram of the main cross-sectional structure of this utility model.

[0020] Figure 7 This is a top view schematic diagram of the main structure of this utility model.

[0021] In the diagram, the correspondence between component names and drawing numbers is as follows: 1. Ash removal bin; 2. Ash bin frame; 3. Pin removal bin; 4. Pin removal bin frame; 5. Air chamber; 6. Fastening screws; 101. Ash rod connecting support frame; 102. Air inlet pipe; 301. Pin removal device frame; 302. Pin removal device; 501. Dust removal cotton; 502. Air inlet pipe; 503. Connecting pipe. Detailed Implementation

[0022] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0023] Example: As attached Figure 1 To be continued Figure 7 As shown: This utility model provides an integrated dust removal and denitrification ash removal device, including an ash removal bin 1, a pin removal bin 3, an air chamber 5, fastening screws 6, an ash rod connecting support frame 101, an air inlet pipe 102, a pin holder frame 301, a pin remover 302, an air filling pipe 502, and a connecting pipe 503. A set of square grooves is provided on one side of the ash removal bin 1, and the ash rod connecting support frame 101 is clamped and connected within these square grooves. A set of circular holes is provided on one side of the ash rod connecting support frame 101, and a circular pipe on one side of the air chamber 5 is clamped and connected to one side of the ash rod connecting support frame 101. Inside the circular hole, a circular through hole is provided on one side of the air chamber 5, and a connecting pipe 503 is clamped and connected in the circular through hole on one side of the air chamber 5. The other end of the connecting pipe 503 is clamped and connected to the circular connection port on one side of the air filling pipe 502. A set of pin holders 301 are welded on each side inside the pin removal chamber 3, and a circular connection hole is provided in the middle of the pin holder 301. A pin removal device 302 is rotatably connected in the circular connection hole in the middle of the pin holder 301. A set of circular openings is provided on each side of the pin removal chamber 3, and a circular opening on one side of the pin removal chamber 3 is clamped and connected to one end of the air inlet pipe 102.

[0024] The air inlet 502 has a circular air jet on its outer side, and a dust removal cotton 501 is attached to the outer side of the air inlet 502. The circular air jet allows the airflow to spread evenly, and the dust removal cotton 501 can buffer the impact of the airflow, avoid direct damage to internal components and catalysts, and make dust removal more gentle and even, reducing dust residue.

[0025] The ash removal bin 1 is welded to one end of the air inlet pipe 102, and the ash removal bin 1 is connected to the denitrification bin 3 through the air inlet pipe 102. The welded connection ensures the structural sealing, and the through design allows the flue gas to be continuously processed without additional transfer, which reduces dust backflow and improves the connection efficiency of the dust removal and denitrification processes.

[0026] The ash removal hopper 1 is equipped with a connecting plate on its outer side, and the connecting plate on the outer side of the ash removal hopper 1 is provided with threaded holes. The ash hopper frame 2 is fastened to the connecting plate on the outer side of the ash removal hopper 1 by screws. The threaded holes and screws make the installation more secure, which can prevent the device from shaking during operation. At the same time, it is convenient to disassemble and maintain, reduces subsequent maintenance costs, and ensures the stability of the ash removal process.

[0027] The pin removal chamber 3 has connecting plates on both sides of its bottom, and threaded holes are provided on the connecting plates on both sides of its bottom. The pin removal chamber 3 is fastened to the pin removal frame 4 by screws. The fastening connection ensures that the pin removal chamber 3 is installed stably and will not shift during operation, ensuring that the pin removal device 302 works normally. It also facilitates the replacement of subsequent parts and improves the practicality of the device.

[0028] The bottom of the ash removal hopper 1 is equipped with a set of ash discharge ports, and the air inlet is located diagonally above it. The ash discharge ports provide a centralized discharge channel for dust, and the diagonally above air inlet can guide the airflow to carry the dust, avoid dust accumulation and blockage in corners, reduce the frequency of manual cleaning, and ensure the continuous and smooth ash removal process.

[0029] The specific usage and function of this embodiment are as follows: In this utility model, firstly, the connecting plate on the outside of the ash removal bin 1 is fixed to the ash bin frame 2 using fastening screws 6. Then, the connecting plates on both sides of the bottom of the pin removal bin 3 are fastened to the pin bin frame 4 with screws to ensure the overall device is installed stably. Next, the ash rod connecting support frame 101 is snapped into the square groove on one side of the ash removal bin 1. The circular tube on one side of the air chamber 5 is snapped into the circular hole of the ash rod connecting support frame 101. Then, one end of the connecting tube 503 is snapped into the circular through hole of the air chamber 5, and the other end is snapped and fixed to the circular connection port of the air filling tube 502. At the same time, the dust removal cotton 501 is snapped onto the outside of the air filling tube 502. The pin remover 302 is rotated and installed into the circular hole in the middle of the pin remover frame 301 welded on both sides inside the pin removal bin 3. Finally, the ash removal is discharged through the air inlet pipe 102. Chamber 1 and denitrification chamber 3 are clamped and welded together to achieve interconnection between the two. During use, gas enters the connecting pipe 503 through the gas chamber 5, then flows into the air filling pipe 502 and is ejected from the outer circular jet nozzle. The dust removal cotton 501 acts as a buffer to make the airflow gentler. The flue gas first enters the ash removal chamber 1. The gentle airflow carries the dust, and with the guidance of the oblique upper air port, the dust is concentrated and discharged to the bottom ash discharge port. Then the flue gas enters the denitrification chamber 3 through the air port pipe 102, and fully contacts the rotating denitrifier 302 to complete the denitrification. Throughout the process, all components work closely together to ensure smooth connection between the dust removal, denitrification and ash removal processes. This avoids damage to components caused by traditional ash removal, prevents dust accumulation and blockage, reduces backflow, ensures stable operation of the device, and improves the flue gas purification effect.

[0030] Any aspects of this utility model not described in detail are well-known technologies to those skilled in the art.

Claims

1. An integrated dust removal, denitrification, and ash removal device, characterized in that: It includes a dust removal bin (1), a pin removal bin (3), an air chamber (5), fastening screws (6), a dust rod connecting support frame (101), an air inlet pipe (102), a pin holder frame (301), a pin remover (302), an air filling pipe (502), and a connecting pipe (503). The ash removal bin (1) has a set of square grooves on one side, and a ash rod connecting support frame (101) is clamped in the square grooves on one side of the ash removal bin (1). The ash rod connecting support frame (101) has a set of circular holes on one side. The circular tube on one side of the air chamber (5) is clamped in the circular hole on one side of the ash rod connecting support frame (101). The air chamber (5) has a circular through hole on one side, and a connecting pipe (503) is clamped in the circular through hole on one side of the air chamber (5). The other end of the connecting pipe (503) is clamped in the circular connecting port on one side of the air filling pipe (502). The pin removal chamber (3) has a set of pin holders (301) welded on each side inside, and the pin holders (301) have a circular connecting hole in the middle. The pin removal device (302) is rotatably connected in the circular connecting hole in the middle of the pin holders (301). The pin removal chamber (3) has a set of circular openings on each side, and the circular opening on one side of the pin removal chamber (3) is clamped to one end of the air pipe (102).

2. The integrated dust removal, denitrification, and ash removal device as described in claim 1, characterized in that: The air inflator (502) has a circular air jet on its outer side, and a dust removal cotton (501) is attached to the outer side of the air inflator (502).

3. The integrated dust removal, denitrification, and ash removal device as described in claim 1, characterized in that: The ash removal bin (1) is welded to one end of the air inlet pipe (102) on one side, and the ash removal bin (1) is connected to the denitrification bin (3) through the air inlet pipe (102).

4. The integrated dust removal, denitrification, and ash removal device as described in claim 1, characterized in that: The ash removal bin (1) is provided with a connecting plate on the outside, and the connecting plate on the outside of the ash removal bin (1) is provided with threaded holes. The connecting plate on the outside of the ash removal bin (1) is fastened to the ash bin frame (2) by screws.

5. The integrated dust removal, denitrification, and ash removal device as described in claim 1, characterized in that: The bottom two sides of the de-pinning bin (3) are provided with connecting plates, and the bottom two sides of the connecting plates of the de-pinning bin (3) are provided with threaded holes. The bottom two sides of the connecting plates of the de-pinning bin (3) are fastened to the pin bin frame (4) by screws.

6. The integrated dust removal, denitrification, and ash removal device as described in claim 1, characterized in that: The bottom of the ash removal hopper (1) is provided with a set of ash discharge ports, and the air inlet is located diagonally above it.