Honeycomb-shaped efficient catalytic denitration dust remover

By designing honeycomb filters and automatic cleaning components in the denitrification dust collector, the problem of reducing filtration efficiency caused by flue gas dust coverage is solved, automatic cleaning and efficient filtration are achieved, and manpower and time are saved.

CN222900552UActive Publication Date: 2025-05-27JIANGSU DUNYIHONG ENVIRONMENTAL DESIGN CO LTD
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Patent Information

Application Number
CN202422000303.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-05-27
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

During the use of denitrification dust collector, dust particles in the flue gas will cover the surface of the catalytic filter screen, resulting in reduced filtration efficiency, difficulty in cleaning, increased labor and time, and reduced processing efficiency.

Method used

A honeycomb high-efficiency catalytic denitrition dust collector is designed, using anti-reflow air intake assembly and cleaning assembly. The hollow shaft is driven by a servo motor to rotate, driving the rotation of the rotary plate and the connecting pipe, and automatically cleaned with rubber plate and bristles to improve the filtration efficiency of the filter mesh.

Benefits of technology

Automatic cleaning of the catalytic filter is realized, filtration efficiency is ensured, manpower is saved, and the processing efficiency of the dust collector is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a honeycomb-shaped efficient catalytic denitration dust remover, and relates to the technical field of denitration dust removers, the honeycomb-shaped efficient catalytic denitration dust remover comprises a dust removal shell, a sealing plug, a partition plate, a negative pressure pump, a honeycomb-shaped filter screen, an anti-backflow air inlet assembly and a cleaning assembly; a partition plate is installed on the inner wall of the top end of the dust removal shell, a sealing plug is installed on the left side of the bottom end of the dust removal shell, a backflow-preventing air inlet assembly is installed on the right side of the bottom end of the dust removal shell, and a cleaning assembly is installed on the surface of the partition plate. The honeycomb-shaped efficient catalytic denitration dust remover is novel in design and simple in structure, filtering is conducted through a honeycomb-shaped filter screen, a servo motor is started, the servo motor drives a hollow rotating shaft to rotate, the hollow rotating shaft and a rotating connector rotate, and the servo motor conveniently drives a rotating plate and a connecting pipe to rotate through the hollow rotating shaft; the rotating plate drives the rubber plate to clean the outer side surface of the honeycomb-shaped filter screen through the bristles, and the nozzle blows air to clean, so that the filtering effect of the honeycomb-shaped filter screen is improved, automatic cleaning is realized, and the filtering efficiency of the honeycomb-shaped filter screen is guaranteed.
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Description

Technical Field

[0001] This application relates to the technical field of denitration dust collectors, and in particular to a honeycomb high-efficiency catalytic denitration dust collector. Background Technique

[0002] A denitration dust collector is an important ecological environment protection device, mainly used to remove harmful substances such as sulfur oxides, nitrogen oxides, and particulate matter in industrial emissions such as coal combustion and oil combustion. Denitration dust collectors are widely used in industries such as power plants, steel, metallurgy, cement, and petrochemicals. Especially in coal-fired power plants, after the flue gas removes particulate matter through the dust collector, it will enter the denitration link, and the content of nitrogen oxides in the flue gas is further reduced through SCR or SNCR technology.

[0003] Currently, during the use of denitration dust collectors, dust particles in the flue gas will cover the surface of the catalytic filter screen, reducing its filtration efficiency, making it difficult to clean, increasing labor, wasting time, and reducing the treatment efficiency of the dust collector. Therefore, a honeycomb high-efficiency catalytic denitration dust collector is proposed for the above problems. Summary of the Invention

[0004] In this embodiment, a honeycomb high-efficiency catalytic denitration dust collector is provided to solve the problem that during the use of denitration dust collectors, dust particles in the flue gas will cover the surface of the catalytic filter screen, reducing its filtration efficiency, making it difficult to clean, increasing labor, wasting time, and reducing the treatment efficiency of the dust collector.

[0005] According to one aspect of the present application, a honeycomb high-efficiency catalytic denitration dust collector is provided, including a dust removal shell, a sealing plug, a partition plate, a negative pressure pump, a honeycomb filter screen, a backflow prevention air intake assembly, and a cleaning assembly; a partition plate is installed on the inner wall of the top end of the dust removal shell, a sealing plug is installed on the left side of the bottom end of the dust removal shell, a backflow prevention air intake assembly is installed on the right side of the bottom end of the dust removal shell, and a cleaning assembly is installed on the surface of the partition plate.

[0006] Further, an inclined seat is provided on the inner wall of the bottom end of the dust removal shell, a discharge port is provided on the side surface of the bottom end of the dust removal shell on the left side of the inclined seat, and a sealing plug is snap-fitted in the inner cavity of the discharge port.

[0007] Further, four legs are fixedly installed on the side surface of the bottom of the dust removal shell, and the four legs are distributed in a cross shape on the side of the bottom of the dust removal shell.

[0008] Further, the backflow prevention assembly includes an air intake shell, an intake pipe, a rotating seat, and a rotating column. The air intake shell is fixedly installed on the side surface of the bottom end of the dust removal shell, the intake pipe is fixedly connected to the right side of the intake pipe, a rotating seat is fixedly installed on the top side of the left end of the air intake shell, a rotating shaft is installed on the inner wall of the top side of the rotating seat, a backflow prevention plate is sleeved on the surface of the rotating shaft, and the backflow prevention plate is attached to the left end of the air intake shell.

[0009] Further, the negative pressure pump is communicated with the inner cavity of the honeycomb filter through a negative pressure pipe. The output end of the negative pressure pump is fixedly communicated with an air outlet pipe, and the front side cross-section of the honeycomb filter is in a U-shaped structure.

[0010] Further, the cleaning assembly includes a servo motor, a hollow rotating shaft, a rotating plate, a rubber plate, bristles, a connecting pipe, a nozzle, a rotary joint, a blowing pump and a blowing pipe. The servo motor is installed on the top surface of the partition plate. A hollow rotating shaft is installed inside the servo motor. A rotating plate is fixedly installed on the bottom side surface of the hollow rotating shaft. A rubber plate is fixedly connected to the inner wall of the rotating plate. Bristles are fixedly installed on the inner wall of the rubber plate. A rigid connecting pipe is fixedly communicated with the side surface of the hollow rotating shaft. A nozzle is installed on the side surface of the connecting pipe. A rotary joint is installed at the top end of the hollow rotating shaft. A blowing pipe is fixedly communicated with the side surface of the rotary joint. The end of the blowing pipe is communicated with the blowing pump installed on the top side of the partition plate.

[0011] Further, the bottom end of the hollow rotating shaft penetrates through the bottom side surface of the honeycomb filter. The bristles are attached to the outer side surface of the honeycomb filter, and nozzles are arranged inside the honeycomb filter.

[0012] Through the above embodiments of the present application, the anti-backflow air intake assembly and the cleaning assembly are adopted, which solve the problems that in the current use process of the denitration dust collector, the dust particles in the flue gas will cover the surface of the catalytic filter, reducing its filtration efficiency, making it difficult to clean, increasing labor, wasting time, and reducing the processing efficiency of the dust collector. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application.

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of an embodiment of the present application;

[0015] Figure 2 It is a schematic diagram of the overall front cross-sectional view of an embodiment of the present application;

[0016] Figure 3 It is a schematic diagram of the overall cleaning assembly structure of an embodiment of the present application;

[0017] Figure 4 It is a schematic diagram of the connection of the anti-backflow air intake assembly of an embodiment of the present application.

[0018] In the figure: 1, dust removal shell; 2, sealing plug; 3, support leg; 4, inclined seat; 5, anti-backflow air intake assembly; 501, intake pipe; 502, air intake shell; 503, rotating seat; 504, anti-backflow plate; 505, rotating column; 6, partition board; 7, negative pressure pump; 8, outlet pipe; 9, negative pressure pipe; 10, honeycomb filter screen; 11, cleaning assembly; 1101, rotating plate; 1102, rubber plate; 1103, brush bristles; 1104, servo motor; 1105, connecting pipe; 1106, nozzle; 1107, hollow rotating shaft; 1108, rotary joint; 1109, air blowing pipe; 1110, air blowing pump. Detailed implementation manners

[0019] In order to enable those skilled in the art of this technology to better understand the solution of this application, the following will clearly and completely describe the technical solutions in the embodiments of this application with reference to the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0020] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned accompanying drawings are used to distinguish similar objects, and do not necessarily need to be used to describe a specific order or sequence. It should be understood that such used data can be interchanged under appropriate circumstances so as to describe the embodiments of this application here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units does not necessarily have to be limited to those clearly listed steps or units, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0021] In this application, the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the accompanying drawings. These terms are mainly used to better describe this application and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation.

[0022] Moreover, in addition to being able to represent the orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0023] In addition, the terms "installed", "set up", "provided with", "connected", "linked", "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there can be internal communication between two devices, components or parts. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0024] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other.

[0025] The denitration dust collector of the embodiments of this application will be introduced below.

[0026] Please refer to Figures 1-4 As shown, a honeycomb high-efficiency catalytic denitration dust collector includes a dust removal shell 1, a sealing plug 2, a partition plate 6, a negative pressure pump 7, a honeycomb filter screen 10, an anti-backflow air intake assembly 5 and a cleaning assembly 11; a partition plate 6 is installed on the inner wall of the top end of the dust removal shell 1, a sealing plug 2 is installed on the left side of the bottom end of the dust removal shell 1, an anti-backflow air intake assembly 5 is installed on the right side of the bottom end of the dust removal shell 1, and a cleaning assembly 11 is installed on the surface of the partition plate 6.

[0027] At the inner wall of the bottom end of the dust removal shell 1, there is an inclined seat 4. On the left side of the inclined seat 4, there is a discharge port opened on the side surface of the bottom end of the dust removal shell 1. A sealing plug 2 is snap-connected in the inner cavity of the discharge port. Four legs 3 are fixedly installed on the bottom side surface of the dust removal shell 1, and the four legs 3 are distributed in a cross shape on the bottom side of the dust removal shell 1. The anti-backflow assembly includes an air inlet shell 502, an air inlet pipe 501, a rotating seat 503 and a rotating column 505. The air inlet shell 502 is fixedly installed on the side surface of the bottom end of the dust removal shell 1. The right side of the air inlet pipe 501 is fixedly communicated with the air inlet pipe 501. On the top side of the left end of the air inlet shell 502, a rotating seat 503 is fixedly installed. An axis is installed on the inner wall of the top side of the rotating seat 503, and an anti-backflow plate 504 is sleeved on the surface of the axis. The anti-backflow plate 504 fits against the left end of the air inlet shell 502. The negative pressure pump 7 is communicated with the inner cavity of the honeycomb filter 10 through a negative pressure pipe 9. The output end of the negative pressure pump 7 is fixedly communicated with an air outlet pipe 8. The front side cross-section of the honeycomb filter 10 is in a U-shaped structure. The cleaning assembly 11 includes a servo motor 1104, a hollow rotating shaft 1107, a rotating plate 1101, a rubber plate 1102, bristles 1103, a connecting pipe 1105, a nozzle 1106, a rotary joint 1108, a blowing pump 1110 and a blowing pipe 1109. The servo motor 1104 is installed on the top side surface of the partition plate 6. A hollow rotating shaft 1107 is installed in the servo motor 1104. The bottom side surface of the hollow rotating shaft 1107 is fixedly installed with a rotating plate 1101. The inner wall of the rotating plate 1101 is fixedly connected with a rubber plate 1102. The inner wall of the rubber plate 1102 is fixedly installed with bristles 1103. The side surface of the hollow rotating shaft 1107 is fixedly communicated with a rigid connecting pipe 1105. A nozzle 1106 is installed on the side surface of the connecting pipe 1105. The top end of the hollow rotating shaft 1107 is installed with a rotary joint 1108. The side surface of the rotary joint 1108 is fixedly communicated with a blowing pipe 1109. The end of the blowing pipe 1109 is communicated with the blowing pump 1110 installed on the top side of the partition plate 6. The bottom end of the hollow rotating shaft 1107 penetrates through the bottom side surface of the honeycomb filter 10, and the bristles 1103 are in contact with the outer surface of the honeycomb filter 10. Nozzles 1106 are arranged on the inner side of the honeycomb filter 10.

[0028] When the utility model is in use, all the electrical components appearing in this application are externally connected to a power supply and a control switch during use. Under the action of the negative pressure pump 7, the flue gas enters the intake housing 502 through the intake pipe 501. The anti-backflow plate 504 opens to prevent backflow of the flue gas after it enters. The flue gas is filtered through the honeycomb filter 10. The servo motor 1104 is started, and the servo motor 1104 drives the hollow rotating shaft 1107 to rotate. The hollow rotating shaft 1107 rotates with the rotary joint 1108, facilitating the servo motor 1104 to drive the rotating plate 1101 and the connecting pipe 1105 to rotate through the hollow rotating shaft 1107. The rotating plate 1101 drives the rubber plate 1102 to clean the outer surface of the honeycomb filter 10 through the bristles 1103, and is combined with the nozzle 1106 to blow air for cleaning, improving the filtering effect of the honeycomb filter 10, realizing automatic cleaning, ensuring the filtering efficiency of the honeycomb filter 10, and saving labor.

[0029] The advantages of this application are as follows:

[0030] 1. This kind of honeycomb high-efficiency catalytic denitration dust collector has a novel design and a simple structure. Under the action of the negative pressure pump, the flue gas enters the intake housing through the intake pipe. The anti-backflow plate opens to prevent backflow of the flue gas after it enters. The flue gas is filtered through the honeycomb filter. The servo motor is started, and the servo motor drives the hollow rotating shaft to rotate. The hollow rotating shaft rotates with the rotary joint, facilitating the servo motor to drive the rotating plate and the connecting pipe to rotate through the hollow rotating shaft. The rotating plate drives the rubber plate to clean the outer surface of the honeycomb filter through the bristles, and is combined with the nozzle to blow air for cleaning, improving the filtering effect of the honeycomb filter, realizing automatic cleaning, ensuring the filtering efficiency of the honeycomb filter, and saving labor.

[0031] The circuits, electronic components and modules involved are all prior arts, which can be fully realized by those skilled in the art without further elaboration. The content protected by this application does not involve improvements to software and methods either.

[0032] The above are only the preferred embodiments of this application and are not used to limit this application. For those skilled in the art, this application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included in the protection scope of this application.

Claims

1. A honeycomb high-efficiency catalytic denitrification dust collector, characterized in that: The invention comprises a dust removal shell (1), a sealing plug (2), a partition (6), a negative pressure pump (7), a honeycomb filter (10), an anti-backflow air intake component (5) and a cleaning component (11); the partition (6) is installed on the inner wall of the top end of the dust removal shell (1), the sealing plug (2) is installed on the left side of the bottom end of the dust removal shell (1), the anti-backflow air intake component (5) is installed on the right side of the bottom end of the dust removal shell (1), and the cleaning component (11) is installed on the surface of the partition (6).

2. The honeycomb high-efficiency catalytic denitrification dust collector according to claim 1 is characterized in that: The inner wall of the bottom end of the dust removal shell (1) is provided with an inclined seat (4), and the left side of the inclined seat (4) is provided with a discharge port opened on the side surface of the bottom end of the dust removal shell (1), and the inner cavity of the discharge port is snap-connected with a sealing plug (2).

3. The honeycomb high-efficiency catalytic denitrification dust collector according to claim 1 is characterized in that: Four legs (3) are fixedly mounted on the bottom surface of the dust removal shell (1), and the four legs (3) are distributed in a cross shape on the bottom surface of the dust removal shell (1).

4. The honeycomb high-efficiency catalytic denitrification dust collector according to claim 1 is characterized in that: The anti-backflow air intake assembly comprises an air intake shell (502), an air intake pipe (501), a rotating seat (503) and a rotating column (505); the air intake shell (502) is fixedly mounted on the side surface of the bottom end of the dust removal shell (1); the right side of the air intake pipe (501) is fixedly connected to the air intake pipe (501); the rotating seat (503) is fixedly mounted on the top side of the left end of the air intake shell (502); a rotating shaft is mounted on the inner wall of the top side of the rotating seat (503); an anti-backflow plate (504) is sleeved on the surface of the rotating shaft; the anti-backflow plate (504) is fitted to the left end of the air intake shell (502).

5. The honeycomb high-efficiency catalytic denitrification dust collector according to claim 1 is characterized in that: The negative pressure pump (7) is connected to the inner cavity of the honeycomb filter (10) via a negative pressure pipe (9); the output end of the negative pressure pump (7) is fixedly connected to an air outlet pipe (8); and the front side cross section of the honeycomb filter (10) is a U-shaped structure.

6. The honeycomb high-efficiency catalytic denitrification dust collector according to claim 1 is characterized in that: The cleaning assembly (11) comprises a servo motor (1104), a hollow rotating shaft (1107), a rotating plate (1101), a rubber plate (1102), bristles (1103), a connecting pipe (1105), a nozzle (1106), a rotating joint (1108), an air pump (1110) and an air pipe (1109), wherein the servo motor (1104) is mounted on the top side surface of the partition (6), the hollow rotating shaft (1107) is mounted inside the servo motor (1104), the rotating plate (1101) is fixedly mounted on the bottom side surface of the hollow rotating shaft (1107), and the rotating plate (1101) is fixedly mounted on the bottom side surface of the rotating plate (1101). 101) is fixedly connected to the inner wall of a rubber plate (1102), and bristles (1103) are fixedly installed on the inner wall of the rubber plate (1102); a hard connecting pipe (1105) is fixedly connected to the side surface of the hollow rotating shaft (1107), and a nozzle (1106) is installed on the side surface of the connecting pipe (1105); a rotating joint (1108) is installed on the top of the hollow rotating shaft (1107), and a blowing pipe (1109) is fixedly connected to the side surface of the rotating joint (1108); the end of the blowing pipe (1109) is connected to a blowing pump (1110) installed on the top side of the partition (6).

7. The honeycomb-shaped high-efficiency catalytic denitrification dust collector according to claim 6 is characterized in that: The bottom end of the hollow rotating shaft (1107) penetrates the bottom surface of the honeycomb filter (10), the bristles (1103) are in contact with the outer surface of the honeycomb filter (10), and a nozzle (1106) is provided on the inner side of the honeycomb filter (10).