A desulfurization injection pipeline with a blow assisting structure for a dry quenching desulfurization device

Abstract

This utility model discloses a desulfurization injection pipe for a dry quenching desulfurization device with an auxiliary blowing structure, relating to the technical field of desulfurization injection pipes. It includes a main pipe with multiple first branch pipes fixedly mounted on it. Each of the first branch pipes has multiple nozzles fixedly mounted on it, and each nozzle is equipped with a spraying assembly for spraying desulfurizing agent. The main pipe also has an auxiliary blowing assembly for slowing down the caking rate of the desulfurizing agent. In this utility model, nitrogen enters the gas pipe, flows through the gas pipe, second branch pipes, and connecting pipe into the first branch pipes, and then exits from the nozzles. A strong negative pressure exists outside the nozzles, allowing the nitrogen to be sprayed out rapidly, providing a powerful impact to the nozzle tips. This slows down the caking rate of the desulfurizing agent at the nozzle tips, delays cleaning time, and significantly reduces the frequency of cleaning the spraying assembly, making it more convenient for later use.

Description

Technical Field

[0001] This utility model relates to the field of desulfurization injection pipeline technology, and in particular to a desulfurization injection pipeline for a dry quenching desulfurization device with an auxiliary blowing structure. Background Technology

[0002] The dry quenching desulfurization unit employs calcium-based powdered dry desulfurization technology. Its core principle involves a gas-solid reaction between calcium hydroxide in the desulfurizing agent and sulfur dioxide in the flue gas, producing stable compounds such as calcium sulfate. This technology achieves gas-solid separation through a baghouse dust collector, ensuring that the flue gas meets emission standards.

[0003] In existing technologies, the desulfurizing agent (calcium hydroxide) used in dry quenching desulfurization units is prone to caking, which can lead to pipe blockage. The desulfurization injection pipes need to be disassembled and cleaned every few days. Repeated cleaning can cause various data to exceed the standard, affecting the uploading of desulfurization data. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies, such as the tendency of desulfurizing agents to caking, and to propose a desulfurization injection pipe for a dry quenching desulfurization device with an auxiliary blowing structure.

[0005] To address the problems existing in the prior art, the present invention adopts the following technical solution:

[0006] A desulfurization injection pipe for a dry quenching desulfurization device with an auxiliary blowing structure includes a main pipe, a plurality of first branch pipes fixedly installed on the main pipe, a plurality of nozzles fixedly installed on each of the plurality of first branch pipes, a spraying component for spraying desulfurizing agent on the plurality of nozzles, and an auxiliary blowing component for slowing down the caking rate of desulfurizing agent on the main pipe.

[0007] Preferably, the spraying assembly includes a plurality of nozzles, each of which is detachably mounted on the lower end of a plurality of spray heads.

[0008] Preferably, the blowing aid assembly includes an air pipe, multiple second branch pipes, and multiple pairs of connecting pipes. The air pipe is fixedly installed on the main pipe, the multiple second branch pipes are all fixedly installed on the air pipe, and the multiple pairs of connecting pipes are respectively fixedly installed between the multiple second branch pipes and the multiple first branch pipes.

[0009] Preferably, a fixed plate is fixedly provided inside the trachea, and a movable plate is rotatably provided inside the trachea. The fixed plate and the movable plate are provided with adjustment components for adjusting the tracheal flow rate.

[0010] Preferably, the adjustment assembly includes a pair of fixed holes, a pair of first adjustment holes, and a pair of second adjustment holes. The pair of fixed holes are all formed on the fixed plate, and the pair of first adjustment holes and the pair of second adjustment holes are respectively formed on the movable plate. The adjustment assembly also includes a power unit for driving the movable plate to rotate.

[0011] Preferably, the power unit includes a fixed plate and a micro motor. The fixed plate is fixedly installed inside the air pipe, and the micro motor is fixedly installed on the fixed plate. The output shaft of the micro motor passes through the fixed plate and is fixedly connected to the movable plate.

[0012] Preferably, a rubber ring is fixedly provided on the movable plate.

[0013] Preferably, the lower end of the main pipeline is connected to a slurry tank, and the lower end of the gas pipe is connected to a nitrogen tank.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. In this utility model, nitrogen enters the gas pipe, and then enters the first fork pipe along the gas pipe, the second fork pipe and the connecting pipe. It is then sprayed out from the nozzle and the nozzle end. There is a strong negative pressure outside the nozzle, which allows the nitrogen to be sprayed out quickly and to make a strong impact on the nozzle end. This slows down the rate at which the desulfurizing agent caking at the nozzle end, delays the cleaning time, and greatly reduces the number of times the spraying components need to be cleaned, making it more convenient to use in the later stage.

[0016] 2. In this utility model, a micro motor drives the movable disc to rotate, so that a pair of first adjustment holes and a pair of second adjustment holes coincide with a pair of fixed holes respectively. Nitrogen enters the gas pipe through the adjustment components. The first adjustment holes and the second adjustment holes are different in size, so the amount of nitrogen entering the gas pipe is different, which in turn makes the amount of nitrogen sprayed out of the nozzle different. It can be adjusted according to the degree of caking at the nozzle port, so as not to waste nitrogen and to ensure the working efficiency of the blowing component. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the trachea cross-sectional structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the fixed disk and movable disk structure of this utility model;

[0021] Figure 4 For the present utility model Figure 1 Enlarged diagram of point A in the middle.

[0022] The numbers in the diagram are: 1. Main pipe; 11. First branch pipe; 12. Nozzle; 2. Nozzle; 3. Air pipe; 31. Second branch pipe; 32. Connecting pipe; 4. Fixed plate; 41. Movable plate; 5. Fixed hole; 51. First adjustment hole; 52. Second adjustment hole; 6. Fixed plate; 61. Micro motor; 7. Rubber ring. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] Example: This example provides a desulfurization injection pipe for a dry quenching desulfurization unit with an auxiliary blowing structure. See [link to example]. Figure 1-4 Specifically, it includes a main pipe 1, a plurality of first branch pipes 11 are fixedly installed on the main pipe 1, a plurality of nozzles 12 are fixedly installed on the plurality of first branch pipes 11, a spraying assembly for spraying desulfurizing agent is installed on the plurality of nozzles 12, and a blowing aid assembly for slowing down the caking speed of desulfurizing agent is installed on the main pipe 1.

[0026] In this embodiment, the main pipeline 1 delivers the desulfurizing agent (calcium hydroxide solution) to multiple first branch pipes 11, which are then sprayed downwards by nozzles 12 and spraying components to desulfurize the flue gas. The purging component uses nitrogen to purge the spraying component at regular intervals, delaying the cleaning time and greatly reducing the number of times the spraying component needs to be cleaned, making it more convenient to use in the later stages.

[0027] The spraying assembly includes multiple nozzles 2, which are detachably mounted on the lower end of multiple spray heads 12.

[0028] In this embodiment, when the nozzle 2 is clogged, the nozzle 2 can be directly removed from the nozzle 12, making it convenient to clean the blockage.

[0029] The blowing assembly includes an air pipe 3, multiple second branch pipes 31 and multiple pairs of connecting pipes 32. The air pipe 3 is fixedly installed on the main pipe 1, the multiple second branch pipes 31 are all fixedly installed on the air pipe 3, and the multiple pairs of connecting pipes 32 are respectively fixedly installed between the multiple second branch pipes 31 and the multiple first branch pipes 11.

[0030] In this embodiment, nitrogen enters the gas pipe 3, and then enters the first branch pipe 11 through the gas pipe 3, the second branch pipe 31 and the connecting pipe 32. It is then sprayed out from the nozzle 12 and the nozzle 2 end. There is a strong negative pressure outside the nozzle 2, which allows the nitrogen to be sprayed out quickly and to make a strong impact on the end of the nozzle 2, thus slowing down the rate at which the desulfurizing agent condenses at the end of the nozzle 2.

[0031] A fixed plate 4 is fixedly installed inside the trachea 3, and a movable plate 41 is rotatably installed inside the trachea 3. The fixed plate 4 and the movable plate 41 are provided with adjustment components for adjusting the flow rate of the trachea 3. The adjustment components include a pair of fixed holes 5, a pair of first adjustment holes 51 and a pair of second adjustment holes 52. The pair of fixed holes 5 are all opened on the fixed plate 4, and the pair of first adjustment holes 51 and the pair of second adjustment holes 52 are respectively opened on the movable plate 41. The adjustment components also include a power unit for driving the movable plate 41 to rotate. The power unit includes a fixed plate 6 and a micro motor 61. The fixed plate 6 is fixedly installed inside the trachea 3, and the micro motor 61 is fixedly installed on the fixed plate 6. The output shaft of the micro motor 61 passes through the fixed plate 4 and is fixedly connected to the movable plate 41.

[0032] In this embodiment, the micro motor 61 drives the movable disk 41 to rotate, so that a pair of first adjustment holes 51 and a pair of second adjustment holes 52 coincide with a pair of fixed holes 5 respectively. Nitrogen enters the gas pipe 3 through the adjustment components. The first adjustment holes 51 and the second adjustment holes 52 are different in size, so the amount of nitrogen entering the gas pipe 3 is different, which in turn makes the amount of nitrogen sprayed out by the nozzle 2 different. It can be adjusted according to the degree of caking at the nozzle 2 port, so as not to waste nitrogen and to ensure the working efficiency of the blowing component.

[0033] A rubber ring 7 is fixedly installed on the movable plate 41;

[0034] In this embodiment, the rubber ring 7 seals the connection between the movable disc 41 and the air pipe 3 to prevent air leakage and affect the working quality of the blowing aid assembly.

[0035] The lower end of the main pipeline 1 is connected to a slurry tank, and the lower end of the gas pipe 3 is connected to a nitrogen tank.

[0036] In this embodiment, the main pipe 1 transports the desulfurizing agent (calcium hydroxide solution) in the slurry tank to multiple first branch pipes 11, which are then sprayed downwards by the nozzles 12 and 2. The gas pipe 3 transports the nitrogen in the nitrogen tank to multiple second branch pipes 31, which are then transported into the first branch pipes 11 by the connecting pipe 32 and sprayed out through the nozzles 2.

[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A desulfurization injection pipe for a dry quenching desulfurization unit with an auxiliary blowing structure, comprising a main pipe (1), characterized in that: The main pipeline (1) is fixedly provided with a plurality of first branch pipes (11), and a plurality of nozzles (12) are fixedly provided on each of the plurality of first branch pipes (11). The plurality of nozzles (12) are provided with spraying components for spraying desulfurizing agent, and the main pipeline (1) is provided with a blowing aid component for slowing down the caking speed of desulfurizing agent.

2. A desulphurization injection duct for a dry quenching desulphurization device with a blow assisting structure according to claim 1, characterized in that: The spraying assembly includes multiple nozzles (2), which are detachably mounted on the lower end of multiple nozzles (12).

3. The desulfurization injection pipe for a dry quenching desulfurization unit with an auxiliary blowing structure according to claim 1, characterized in that: The blowing aid assembly includes an air pipe (3), multiple second branch pipes (31) and multiple pairs of connecting pipes (32). The air pipe (3) is fixedly installed on the main pipe (1). The multiple second branch pipes (31) are all fixedly installed on the air pipe (3). The multiple pairs of connecting pipes (32) are respectively fixedly installed between the multiple second branch pipes (31) and the multiple first branch pipes (11).

4. The desulfurization injection pipe for a dry quenching desulfurization unit with an auxiliary blowing structure according to claim 3, characterized in that: A fixed plate (4) is fixedly provided inside the trachea (3), and a movable plate (41) is rotatably provided inside the trachea (3). Adjustment components for adjusting the flow rate of the trachea (3) are provided on the fixed plate (4) and the movable plate (41).

5. A desulfurization injection pipe for a dry quenching desulfurization unit with an auxiliary blowing structure according to claim 4, characterized in that: The adjustment assembly includes a pair of fixed holes (5), a pair of first adjustment holes (51) and a pair of second adjustment holes (52). The pair of fixed holes (5) are both opened on the fixed plate (4), and the pair of first adjustment holes (51) and the pair of second adjustment holes (52) are respectively opened on the movable plate (41). The adjustment assembly also includes a power unit for driving the movable plate (41) to rotate.

6. A desulphurization injection duct for a dry quenching desulphurization plant with a blow assisting structure according to claim 5, characterized in that: The power unit includes a fixed plate (6) and a micro motor (61). The fixed plate (6) is fixedly installed inside the air pipe (3), and the micro motor (61) is fixedly installed on the fixed plate (6). The output shaft of the micro motor (61) passes through the fixed plate (4) and is fixedly connected to the movable plate (41).

7. A desulphurization injection duct for a dry quenching desulphurization device with a blow assisting structure according to claim 4, characterized in that: A rubber ring (7) is fixedly provided on the movable plate (41).

8. A desulphurization injection duct for a dry quenching desulphurization device with a blow assisting structure according to claim 3, characterized in that: The lower end of the main pipe (1) is connected to a slurry pool, and the lower end of the gas pipe (3) is connected to a nitrogen tank.

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