Nitrogen oxide ultralow emission denitration tower for flue gas treatment in flat glass industry

Abstract

The utility model discloses a denitration tower with ultralow emission of nitric oxide in flue gas treatment in the flat glass industry, which relates to the technical field of waste gas treatment equipment and comprises a kettle body, a mounting frame is arranged in the kettle body, a placing groove is arranged on the mounting frame, a catalyst is arranged in the placing groove, a limiting column is arranged on the mounting frame, and the limiting column is arranged on the mounting frame. A clamping column is arranged on the limiting column and abuts against the catalyst. The catalyst is placed in the placing groove in the mounting frame in the kettle body, convenient mounting work of the catalyst is achieved through the limiting columns and the clamping columns on the mounting frame, then rapid replacement work of the catalyst after long-term use is achieved, replacement of the catalyst is convenient and rapid, and practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment equipment, in particular to an ultra-low emission denitration tower for treating nitrogen oxides in flue gas in the flat glass industry. Background Art

[0002] The flat glass industry uses natural gas as fuel, and there will be a lot of nitrogen oxides in the flue gas after combustion. Reducing the emission concentration of nitrogen oxides is the company's environmental protection responsibility, so it is necessary to denitrify the flue gas of the glass industry.

[0003] For example, the publication number CN216778433U disclosed a flue gas denitrification device for a cement clinker production line on March 3, 2022, including a reaction tower, an air intake pipe with a first end outside the reaction tower and a second end extending into the reaction tower, a bracket arranged in the reaction tower, a fan rotatably connected to the bracket, a liquid medicine chamber arranged in the fan blades, an atomization hole arranged on the fan blades and connected to the liquid medicine chamber, a liquid medicine supply module located outside the reaction tower for providing liquid medicine to the liquid medicine chamber, a catalyst unit arranged in the reaction tower, and an exhaust pipe, wherein the first end of the exhaust pipe is connected to the reaction tower, and the second end is connected to the subsequent processing equipment, and the air intake pipe, the fan and the catalyst unit are arranged in sequence in the airflow direction in the reaction tower. After long-term use, the catalyst unit in the above-disclosed denitrification device cannot be easily replaced, and its practicality is poor. Summary of the invention

[0004] The utility model aims to provide a flat glass industry flue gas treatment nitrogen oxide ultra-low emission denitrification tower with convenient catalyst replacement. The utility model realizes the rapid installation of the catalyst in the installation groove through the cooperation of the limit column and the clamping column, thereby facilitating the convenient replacement of the catalyst and having higher practicality.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model to solve its technical problems is: a flue gas treatment nitrogen oxide ultra-low emission denitrification tower for the flat glass industry, comprising a kettle body, a mounting frame is provided in the kettle body, a placement groove is provided on the mounting frame, a catalyst is provided in the placement groove, a limiting column is provided on the mounting frame, a clamping column is provided on the limiting column, and the clamping column abuts against the catalyst.

[0006] As a further solution of the utility model, the mounting frame is provided with flow holes for smoke circulation.

[0007] As a further solution of the utility model, a mounting groove is provided on the mounting frame, and the mounting groove is connected to the limiting column.

[0008] As a further solution of the utility model, the limiting column is threadedly connected to the installation groove, or the limiting column is clamped to the installation groove.

[0009] As a further solution of the present invention, the cross section of the clamping column is triangular.

[0010] As a further solution of the utility model, clamping blocks are provided on both sides of the mounting frame, a clamping seat is provided on the inner wall of the kettle body, and a clamping groove is provided on the clamping seat to be clamped with the clamping block.

[0011] As a further solution of the utility model, a pull ring is provided on the mounting frame.

[0012] As a further solution of the utility model, an air inlet pipe is provided on one side of the kettle body, an air outlet pipe is provided on the other side of the kettle body, and an induced draft fan is provided on the air outlet pipe.

[0013] As a further solution of the utility model, a differential pressure sensor is provided in the kettle.

[0014] The beneficial effects of the utility model are:

[0015] The catalyst is placed in the placement groove on the mounting frame in the kettle body. The catalyst is conveniently installed through the limit columns and clamping columns on the mounting frame, so that the catalyst can be quickly replaced after long-term use. The catalyst replacement is convenient and fast, and the practicality is higher.

[0016] The limiting column is threadedly connected to the mounting groove, and the limiting column is stably installed on the mounting frame through the threaded connection, thereby realizing stable installation of the catalyst; the clamping block and the clamping slot on the clamping seat are clamped together, so that the mounting frame can be conveniently disassembled and assembled in the kettle body, thereby facilitating the replacement of the catalyst after the mounting frame is removed from the kettle body as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of an ultra-low emission denitrification tower for treating nitrogen oxides in flue gas in the flat glass industry according to the utility model.

[0018] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure of the connection between the mounting frame and the kettle body.

[0019] Figure 3 for Figure 2 Schematic diagram of the partial enlarged structure of part A.

[0020] In the attached drawings: 1- kettle body, 2- mounting frame, 3- catalyst, 4- mounting groove, 5- limiting column, 6- clamping column, 7- placement groove, 8- clamping block, 9- clamping seat, 10- clamping groove, 11- pull ring, 12- differential pressure sensor, 13- air inlet pipe, 14- air outlet pipe, 15- induced draft fan. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0023] like Figure 1 As shown, an ultra-low emission denitrification tower for flue gas treatment of nitrogen oxides in the flat glass industry includes a kettle body 1, a mounting frame 2 is provided in the kettle body 1, a placement groove 7 is provided on the mounting frame 2, a catalyst 3 is provided in the placement groove 7, the catalyst 3 performs denitrification treatment on the flue gas entering the kettle body, a limiting column 5 is provided on the mounting frame 2, a clamping column 6 is provided on the limiting column 5, the clamping column 6 abuts against the catalyst 3, and the limiting column 5 and the clamping column 6 limit the position of the catalyst 3. Specifically, in this embodiment, three layers of mounting frames 2 are provided in the kettle body 1, and each layer of mounting frames 2 is provided with six mounting frames 2 at equal intervals from top to bottom, the cross-section of the placement groove 7 is rectangular, and the cross-sectional size of the placement groove 7 is 100x900mm.

[0024] During use, the flue gas enters the kettle body 1 and is denitrated by the catalyst 3. When the catalyst 3 needs to be replaced after long-term use, the limiting column 5 is removed to separate the clamping column 6 from the catalyst 3, and then the catalyst 3 in the placement groove 7 is replaced. After the replacement is completed, the limiting column 5 is connected to the mounting frame 2, and the catalyst 3 is limited and installed on the mounting frame 2 by the clamping column 6. The replacement of the catalyst 3 is convenient and quick, and the practicality of the entire denitrification tower is higher.

[0025] Specifically, referring to 2, the mounting frame 2 is provided with flow holes for flue gas circulation, so that the flue gas can flow on both sides of the mounting frame 2 and undergo denitration treatment through the catalyst 3 on the mounting frame 2.

[0026] Reference Figure 1-3 The mounting frame 2 is provided with a mounting groove 4, and the mounting groove 4 is connected to the limiting column 5. The limiting column 5 is installed on the mounting frame 2 by setting the mounting groove 4. In this embodiment, the mounting groove 4 is set between two catalysts 3.

[0027] In one embodiment, the limiting column 5 is threadedly connected to the mounting groove 4, and the threaded connection is used to achieve stable installation of the limiting column 5 on the mounting frame 2, thereby achieving stable installation of the catalyst 3. In another embodiment, the limiting column 5 is snap-fitted to the mounting groove 4, thereby achieving convenient disassembly and assembly of the limiting column 5 and the mounting frame 2, thereby achieving rapid replacement of the catalyst 3.

[0028] The cross section of the clamping column 6 is triangular, so that the bottom edge of the clamping column 6 can be used to fix the catalysts 3 on both sides.

[0029] Blocks 8 are provided on both sides of the mounting frame 2, and a socket 9 is provided on the inner wall of the kettle body 1. The socket 9 is provided with a slot 10 that is engaged with the block 8. The block 8 and the slot 10 on the socket 9 are engaged with each other, so that the mounting frame 2 can be easily disassembled and assembled in the kettle body 1, thereby facilitating the overall replacement of the catalyst 3. Specifically, the block 8 is welded to the mounting frame 2, and the socket 9 is welded to the inner wall of the kettle body 1.

[0030] Reference Figure 3 A pull ring 11 is provided on the mounting frame 2. The setting of the pull ring 11 is convenient for pulling the mounting frame 2 for disassembly and assembly. Specifically, two pull rings 11 are provided. The two pull rings 11 are symmetrically arranged, and the pull ring 11 is welded to the mounting frame 2.

[0031] An air inlet pipe 13 is provided on one side of the kettle body 1, and an air outlet pipe 14 is provided on the other side of the kettle body 1. An induced draft fan 15 is provided on the air outlet pipe 14. When the induced draft fan 15 is working, the flue gas enters the kettle body 1 through the air inlet pipe 13, denitration is performed through the catalyst 3, and the flue gas after the reaction is completed is discharged through the air outlet pipe 14.

[0032] A differential pressure sensor 12 is provided in the kettle body 1, and the pressure on both sides of the catalyst 3 in different layers is monitored by the differential pressure sensor 12. When the catalyst 3 is clogged after long-term use and the pressure difference on both sides of the catalyst 3 becomes larger, the differential pressure sensor 12 is used to provide a prompt.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A flue gas treatment nitrogen oxide ultra-low emission denitrification tower for the flat glass industry, comprising a kettle body (1), characterized in that: A mounting frame (2) is provided in the kettle body (1), a placement groove (7) is provided on the mounting frame (2), a catalyst (3) is provided in the placement groove (7), a limiting column (5) is provided on the mounting frame (2), a clamping column (6) is provided on the limiting column (5), and the clamping column (6) is in contact with the catalyst (3).

2. The ultra-low emission denitrification tower for treating nitrogen oxides in flue gas of the flat glass industry according to claim 1 is characterized in that: The mounting frame (2) is provided with flow holes for smoke circulation.

3. The ultra-low emission denitrification tower for treating nitrogen oxides in flue gas of the flat glass industry according to claim 1 is characterized in that: The mounting frame (2) is provided with a mounting groove (4), and the mounting groove (4) is connected to a limiting column (5).

4. The ultra-low emission denitrification tower for treating nitrogen oxides in flue gas of the flat glass industry according to claim 3 is characterized in that: The limiting column (5) is threadedly connected to the installation groove (4), or the limiting column (5) is clamped to the installation groove (4).

5. The ultra-low emission denitrification tower for treating nitrogen oxides in flue gas of the flat glass industry according to claim 4 is characterized in that: The cross section of the clamping column (6) is triangular.

6. The ultra-low emission denitrification tower for treating nitrogen oxides in flue gas of the flat glass industry according to any one of claims 1 to 5, characterized in that: Blocks (8) are provided on both sides of the mounting frame (2), a clamping seat (9) is provided on the inner wall of the kettle body (1), and a clamping groove (10) is provided on the clamping seat (9) for clamping with the block (8).

7. The ultra-low emission denitrification tower for treating nitrogen oxides in flue gas of the flat glass industry according to claim 6 is characterized in that: The mounting frame (2) is provided with a pull ring (11).

8. The ultra-low emission denitrification tower for treating nitrogen oxides in flue gas of the flat glass industry according to claim 7 is characterized in that: An air inlet pipe (13) is provided on one side of the kettle body (1), an air outlet pipe (14) is provided on the other side of the kettle body (1), and an induced draft fan (15) is provided on the air outlet pipe (14).

9. The ultra-low emission denitrification tower for treating nitrogen oxides in flue gas of the flat glass industry according to claim 7, characterized in that: A differential pressure sensor (12) is provided in the kettle body (1).

Images