Coal-fired boiler flue gas SCR (Selective Catalytic Reduction) denitration device

By designing and using components of the SCR denitrification device for flue gas from coal-fired boilers, the problems of inconvenient installation and high cost of existing devices have been solved, achieving convenient installation and efficient operation.

CN224100400UActive Publication Date: 2026-04-10NANTONG AN ENERGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing SCR denitrification devices for flue gas from coal-fired boilers are inconvenient to use and have high installation costs.

Method used

A coal-fired boiler flue gas SCR denitrification device was designed, comprising components such as the denitrification unit body, SCR reaction processor, heating assembly, control body, mounting collar, and threaded rod. The coordinated use of these components enables convenient installation and efficient operation.

Benefits of technology

It enables convenient installation and efficient operation of SCR denitrification devices for flue gas from coal-fired boilers, reducing operating costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a coal-fired boiler flue gas SCR (Selective Catalytic Reduction) denitration device which comprises a denitration device main body, a mounting lantern ring is arranged on the surface of the side edge of the denitration device main body, a fixing block is fixedly connected to the surface of the side edge of the mounting lantern ring, a nut is arranged on the surface of the side edge of the fixing block, and the nut is fixedly connected to the surface of the side edge of the denitration device main body. And an SCR reaction processor is mounted on the surface of the side edge of the denitration device main body. According to the device, the denitration device main body is arranged, and after a user installs the denitration device main body and conveys flue gas into an SCR reaction processor, the user needs to open a heating assembly through a control main body, so that the user can efficiently treat the flue gas; therefore, a user can carry out efficient integrated operation on the pin disengaging device, and the user can conveniently install the pin disengaging device body with bolts through the arranged positioning plate and the multiple installation openings formed in the positioning plate.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the SCR denitration technical direction, concretely relates to a coal-fired boiler flue gas SCR denitration device. BACKGROUND

[0002] The process of removing nitrogen oxides in combustion flue gas, the importance of preventing environmental pollution, has been sharply put forward as a problem in the world, the more mainstream process in the world is divided into: SCR and SNCR, these two processes are not much different except that the reaction temperature of SCR is lower than that of SNCR due to the use of catalyst, but if from the construction cost and operation cost two angles, the investment of SCR is at least several times of SNCR, even more than 10 times, when the user uses the SCR to sell, the user needs to use the selling device.

[0003] The existing technology has the following problems:

[0004] 1. The existing coal-fired boiler flue gas SCR denitration device in the market is not convenient for the user to use when the user uses the integrated selling and overall installation, which will affect the user's use of the selling device.

[0005] 2. The existing coal-fired boiler flue gas SCR denitration device in the market needs to use auxiliary tools when the user uses it to install the coal-fired boiler, which will increase the user's use cost. INVENTION CONTENTS

[0006] The utility model aims at the existing device a kind of coal-fired boiler flue gas SCR denitration device to solve the problems raised in the above background.

[0007] In order to solve the above technical problems, the utility model provides the following technical scheme: a coal-fired boiler flue gas SCR denitration device, comprising a selling device main body, the side surface of the selling device main body is provided with a mounting sleeve ring, the side surface of the mounting sleeve ring is fixedly connected with a fixed block.

[0008] The side surface of the fixed block is provided with a nut, the side surface of the selling device main body is provided with an SCR reaction processor, the side surface of the SCR reaction processor is provided with a supporting plate, and the bottom surface of the supporting plate is fixedly connected with a mounting bottom plate.

[0009] The upper surface of the SCR reaction processor is fixedly connected with a control main body, the upper surface of the SCR reaction processor is provided with a heating assembly, and the upper surface of the SCR reaction processor is provided with an indicating lamp.

[0010] The utility model further illustrates that the inner ring surface of the nut is inserted with a threaded rod, and the threaded rod is connected between the nut and the fixed block.

[0011] The utility model further illustrates that the side surface of the mounting sleeve ring is provided with a movable opening, and the movable opening and the threaded rod are matched in size.

[0012] The utility model further illustrates that the side surface of the mounting bottom plate is welded with a positioning plate, and the positioning plate is symmetrically arranged with the vertical center line of the mounting bottom plate as the axis of symmetry.

[0013] The utility model further illustrates that the upper surface of the positioning plate is provided with a mounting opening, and the mounting opening is multiple.

[0014] The utility model further illustrates that the nut is connected between the fixed block and the mounting sleeve ring, and the fixed block is symmetrically arranged with the vertical center line of the nut as the axis of symmetry.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The utility model provides a coal-fired boiler flue gas SCR denitration device, and through the cooperation and use of the denitration device main body, control main body, heating assembly, mounting bottom plate, mounting opening, positioning plate, movable opening, mounting sleeve ring, threaded rod, nut, fixed block, indicator light, supporting plate and SCR reaction processor, the denitration device can be efficiently used and installed by the user, the heating assembly is opened by the user through the control main body after the denitration device main body is installed and the flue gas is delivered into the SCR reaction processor, the user can efficiently process the flue gas, the user can efficiently operate the denitration device, the denitration device main body can be installed by the user through the positioning plate and the multiple mounting openings, the efficient integrated operation and overall installation of the user are met;

[0017] The utility model provides a coal-fired boiler flue gas SCR denitration device, and through the cooperation and use of the denitration device main body, control main body, heating assembly, mounting bottom plate, mounting opening, positioning plate, movable opening, mounting sleeve ring, threaded rod, nut, fixed block, indicator light, supporting plate and SCR reaction processor, the denitration device can be efficiently used and installed by the user, the heating assembly is opened by the user through the control main body after the denitration device main body is installed and the flue gas is delivered into the SCR reaction processor, the user can efficiently process the flue gas, the user can efficiently operate the denitration device, the denitration device main body can be installed by the user through the positioning plate and the multiple mounting openings, the efficient integrated operation and overall installation of the user are met; ACCURACY

[0018] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0019] Figure 1 It is the whole structure schematic view of the utility model;

[0020] Figure 2 It is the structure bottom view of the utility model;

[0021] Figure 3 It is the structure top view of the utility model;

[0022] Figure 4 It is the structure side view of the utility model; Figure 2 It is the structure enlarged view of A place in the utility model;

[0023] Figure 5 It is the structure side view of the utility model.

[0024] In the figure: 1, the main body of the device is out of stock; 2, control main body; 3, heating assembly; 4, installation bottom plate; 5, installation opening; 6, positioning plate; 7, movable opening; 8, mounting ring; 9, threaded rod; 10, nut; 11, fixed block; 12, indicator light; 13, support plate; 14, SCR reaction processor. Specific embodiments

[0025] The utility model technical scheme is further non-restrictively and in detail described below in combination with preferred embodiments and drawings thereof. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] Please refer to Figures 1-5 The utility model provides technical scheme: a coal-fired boiler flue gas SCR denitration device, including the main body of the device is out of stock 1, the side surface of the main body of the device is out of stock 1 is equipped with the mounting ring 8, the side surface of mounting ring 8 is fixedly connected with fixed block 11, and the side surface of fixed block 11 is equipped with nut 10.

[0027] In the embodiment, the inner ring surface of nut 10 is limitedly inserted with threaded rod 9, and threaded rod 9 is connected through nut 10 and fixed block 11.

[0028] As Figures 1-5 Indicated, on the basis of embodiment 1, the utility model provides a technical scheme: preferably, the side surface of the main body of the device is out of stock 1 is equipped with SCR reaction processor 14, and the side surface of SCR reaction processor 14 is equipped with support plate 13.

[0029] In the embodiment, the side surface of mounting ring 8 is provided with movable opening 7, and the size of movable opening 7 and threaded rod 9 is matched with each other.

[0030] As Figures 1-5 shown, on the basis of embodiment 1, the utility model provides a technical scheme: preferably, the bottom surface of support plate 13 is fixedly connected with installation bottom plate 4, the upper surface of SCR reaction processor 14 is fixedly connected with control main part 2, the upper surface of SCR reaction processor 14 is installed with heating assembly 3, the upper surface of SCR reaction processor 14 is installed with indicating lamp 12.

[0031] In this embodiment, the side surface of installation bottom plate 4 is welded with positioning plate 6, and the positioning plate 6 is symmetrically arranged with the vertical center line of installation bottom plate 4 as the axis of symmetry, the upper surface of positioning plate 6 is provided with installation opening 5, and the number of installation opening 5 is multiple, nut 10 is connected between fixed block 11 and mounting ring 8, and fixed block 11 is symmetrically arranged with the vertical center line of nut 10 as the axis of symmetry.

[0032] As Figures 1-5 shown, when the user needs to use it, after the user installs the unloading device main body 1, the user will send the flue gas into the SCR reaction processor 14, and the user needs to open the heating assembly 3 through the control main part 2, so that the user can efficiently process the flue gas, so that the user can efficiently operate the unloading device, through the positioning plate 6 and the multiple installation openings 5 arranged thereon, the user can install the unloading device main body 1 with bolts, and through the threaded rod 9, after the user inserts the coal-fired boiler pipeline into the mounting ring 8, the user needs to twist the threaded rod 9, and through the limiting of the nut 10 to the threaded rod 9, the user can use the coal-fired boiler.

[0033] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model.

[0034] Finally, it should be pointed out that: the above examples are only used to illustrate the technical scheme of the utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical scheme recorded in the foregoing examples, or make equivalent replacement to part of the technical features, and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. A coal-fired boiler flue gas SCR denitration device, comprising a denitration device main body (1), characterized in that: The side surface of the depleting device body (1) is provided with a mounting ring (8), and the side surface of the mounting ring (8) is fixedly connected with a fixed block (11); The side surface of the fixed block (11) is provided with a nut (10), the side surface of the depleting device body (1) is provided with an SCR reaction processor (14), and the side surface of the SCR reaction processor (14) is provided with a supporting plate (13); The bottom surface of the supporting plate (13) is fixedly connected with a mounting bottom plate (4), the upper surface of the SCR reaction processor (14) is fixedly connected with a control body (2), the upper surface of the SCR reaction processor (14) is provided with a heating assembly (3), and the upper surface of the SCR reaction processor (14) is provided with an indicating lamp (12).

2. The coal-fired boiler flue gas SCR denitration device according to claim 1, characterized in that: The inner ring surface of the nut (10) is limitingly inserted with a threaded rod (9), and the threaded rod (9) is connected through the nut (10) and the fixed block (11).

3. The coal-fired boiler flue gas SCR denitration device according to claim 2, characterized in that: The side surface of the mounting ring (8) is provided with a movable opening (7), and the movable opening (7) and the threaded rod (9) are matched in size.

4. The coal-fired boiler flue gas SCR denitration device according to claim 1, characterized in that: The side surface of the mounting bottom plate (4) is welded with a positioning plate (6), and the positioning plate (6) is symmetrically arranged with the vertical center line of the mounting bottom plate (4) as the axis of symmetry.

5. The coal-fired boiler flue gas SCR denitration device according to claim 4, characterized in that: The upper surface of the positioning plate (6) is provided with a plurality of mounting openings (5).

6. The coal-fired boiler flue gas SCR denitration device according to claim 1, characterized in that: The nut (10) is connected through the fixed block (11) and the mounting ring (8), and the fixed block (11) is symmetrically arranged with the vertical center line of the nut (10) as the axis of symmetry.