Flue gas tail end purification device

Abstract

The utility model relates to the technical field of flue gas purification, in particular to a flue gas tail end purification device. Comprising an air inlet pipe and adsorption plates, a lower adsorption box body, an upper adsorption box body, a second upper splitter plate and a second lower splitter plate are installed on the outer side of the air inlet pipe through bolts, the adsorption plates are installed in the lower adsorption box body and the upper adsorption box body, and back-flushing air channels are formed in the outer sides of the adsorption plates; a gas outlet pipe, an upper splitter plate III and a lower splitter plate III are mounted on one side, far away from the gas inlet pipe, of the lower adsorption box body through bolts. The upper splitter plate I is matched with the upper splitter plate II and the upper splitter plate III, the flue gas above the upper splitter plate I and the upper splitter plate III is integrally split, and the lower splitter plate I and the lower splitter plate II are matched with the lower splitter plate III to split the lower part of the flue gas into a middle part and a lower part, so that the flue gas can be split into the upper part, the middle part and the lower part, and cleaner flue gas can quickly pass through a tail end purification device; and the flue gas with more particles at the bottom can be fully adsorbed and filtered in the lower adsorption box body and then is discharged through the gas outlet pipe, so that the adsorption and filtration efficiency is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas purification, in particular to a flue gas terminal purification device. Background Art

[0002] Flue gas terminal purification refers to the final purification of flue gas that has undergone dust removal, desulfurization, denitrification, etc. in a flue gas treatment system to ensure that the discharged flue gas meets environmental protection standards and regulatory requirements. Usually, adsorbents are used to adsorb harmful substances in the flue gas, such as heavy metals, dioxins, etc., thereby purifying the flue gas. Commonly used adsorbents include activated carbon, iron oxide, etc. Existing flue gas terminal purification devices usually adsorb the flue gas as a whole. However, due to gravity, particulate matter in the flue gas will gradually settle to the bottom. Especially when the flue gas flow rate is low, the existing adsorption method is likely to lead to a decrease in the adsorption efficiency of the flue gas, reducing the practicality of the device during use. Content of the Utility Model

[0003] Aiming at the above problems, the purpose of the present utility model is to provide a flue gas terminal purification device to solve the problem that existing flue gas terminal purification devices usually adsorb the flue gas as a whole. However, due to gravity, particulate matter in the flue gas will gradually settle to the bottom. Especially when the flue gas flow rate is low, the existing adsorption method is likely to lead to a decrease in the adsorption efficiency of the flue gas, reducing the practicality of the device during use.

[0004] To achieve the above purpose, the technical solution adopted by the present utility model is: a flue gas terminal purification device, including an air inlet pipe and an adsorption plate. Inside the air inlet pipe, an upper flow dividing plate one and a lower flow dividing plate one are sequentially installed from top to bottom. The outside of the air inlet pipe is installed with a lower adsorption box body through bolts, and an upper adsorption box body is installed above the lower adsorption box body. An upper flow dividing plate two is installed inside the upper adsorption box body, and a lower flow dividing plate two is installed inside the lower adsorption box body. A sealing gasket two is installed between the lower adsorption box body and the upper adsorption box body. The adsorption plate is installed inside the lower adsorption box body and the upper adsorption box body, and a backwashing air channel is arranged on the outside of the adsorption plate. One side of the lower adsorption box body away from the air inlet pipe is installed with an air outlet pipe through bolts, and an upper flow dividing plate three and a lower flow dividing plate three are sequentially installed from top to bottom inside the air outlet pipe. A sealing gasket three is installed in the middle part between the air outlet pipe and the air inlet pipe. Sealing gaskets one are installed at the connection parts of the air outlet pipe and the air inlet pipe with the lower adsorption box body.

[0005] The beneficial effects of the present utility model are as follows: The upper flow splitter plate 1, in cooperation with the upper flow splitter plate 2 and the upper flow splitter plate 3, diverts the flue gas above them from the overall flue gas. The lower flow splitter plate 1, the lower flow splitter plate 2, in cooperation with the lower flow splitter plate 3, divert the flue gas below into two parts, namely the middle and the lower parts. By adopting the above method, the flue gas can be diverted into three parts: the upper, the middle, and the lower. The relatively clean flue gas will quickly pass through the terminal purification device, while the flue gas with more particulate matter at the bottom will be fully adsorbed and filtered inside the lower adsorption box and then discharged through the air outlet pipe, ensuring the adsorption and filtration efficiency.

[0006] In order to reduce the rise of flue gas particulate matter:

[0007] As a further improvement of the above technical solution: The front end of the upper flow splitter plate 1 is bent upward, and the upper flow splitter plate 1 is closely attached to the upper flow splitter plate 2.

[0008] The beneficial effects of this improvement are as follows: The upper flow splitter plate 1 bent upward can block the flue gas, and the particulate matter will impact the upper flow splitter plate 1 to ensure the cleanliness of the flue gas diverted to the upper part. The closely attached upper flow splitter plate 1 and the upper flow splitter plate 2 can ensure the airtightness of the overall upper flow splitter plate.

[0009] As a further improvement of the above technical solution: The front end of the lower flow splitter plate 1 is bent upward.

[0010] The beneficial effects of this improvement are as follows: The lower flow splitter plate 1 bent upward can block the flue gas, and the particulate matter will impact the lower flow splitter plate 1 and the particulate matter will drop below the flue gas, which can completely divert the flue gas. By adopting the above method, the efficiency of flue gas diversion, adsorption, and filtration can be further increased.

[0011] In order to ensure the passage of flue gas:

[0012] As a further improvement of the above technical solution: The upper flow splitter plate 2 and the lower flow splitter plate 2 are arranged in parallel with each other.

[0013] The beneficial effects of this improvement are as follows: The upper flow splitter plate 2 and the lower flow splitter plate 2 arranged in parallel with each other can facilitate the flue gas to be quickly adsorbed by the adsorption plate. By adopting this method, the processing efficiency of the device for flue gas can be ensured.

[0014] In order to facilitate backwashing:

[0015] As a further improvement of the above technical solution: The backwashing air duct and the adsorption plate are arranged in parallel with each other, and one end of the backwashing air duct is connected with an air pump.

[0016] The beneficial effects of this improvement are as follows: After the adsorption is completed, the air pump transports high-pressure air to the backwashing air duct to backwash the adsorption plate, ensuring the filtration and adsorption efficiency and effect of the adsorption plate. The backwashing air duct arranged in parallel can comprehensively and reliably backwash the adsorption plate.

[0017] For the convenience of installing the lower adsorption box body and the upper adsorption box body:

[0018] As a further improvement of the above technical solution: The upper adsorption box body and the lower adsorption box body are fixed by bolts.

[0019] The beneficial effect of this improvement is that the upper adsorption box body and the lower adsorption box body can be installed more reliably and firmly through bolts.

[0020] For the convenience of installing the upper flow dividing plate one and the lower flow dividing plate one:

[0021] As a further improvement of the above technical solution: The intake pipe is arranged in a split type, and the intake pipe and the lower flow dividing plate one are integrally welded.

[0022] The beneficial effect of this improvement is that the split intake pipe can facilitate the installation of the upper flow dividing plate one and the lower flow dividing plate one inside the intake pipe, and the integrally welded lower flow dividing plate one can be firmly installed with the intake pipe inside the intake pipe.

[0023] For the convenience of flow division:

[0024] As a further improvement of the above technical solution: The upper flow dividing plate three and the upper flow dividing plate two are combined with a gasket one to form the upper flow dividing plate.

[0025] The beneficial effect of this improvement is that the upper flow dividing plate can divide the flue gas, facilitating the subsequent adsorption and filtration of the flue gas by the adsorption plate. Description of the Drawings

[0026] Figure 1 It is a schematic diagram of the overall first axonometric structure.

[0027] Figure 2 It is a schematic diagram of the overall second axonometric structure.

[0028] Figure 3 It is a schematic diagram of the enlarged axonometric structure of the adsorption plate and the backwashing air duct.

[0029] Figure 4 It is a schematic diagram of the overall front view structure.

[0030] Figure 5 It is a schematic diagram of the overall right view structure.

[0031] In the figure: 1. Intake pipe; 11. Gasket one; 12. Upper flow dividing plate one; 13. Lower flow dividing plate one; 2. Lower adsorption box body; 21. Upper adsorption box body; 22. Upper flow dividing plate two; 23. Lower flow dividing plate two; 24. Gasket two; 3. Adsorption plate; 4. Backwashing air duct; 5. Outlet pipe; 51. Upper flow dividing plate three; 52. Lower flow dividing plate three; 6. Gasket three. Detailed Implementation Modes

[0032] To enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any restrictive effect on the protection scope of the present utility model.

[0033] As Figures 1-5As shown in the figure, a flue gas terminal purification device includes an intake pipe 1 and an adsorption plate 3. Inside the intake pipe 1, an upper shunt plate 12 and a lower shunt plate 13 are successively installed from top to bottom. On the outside of the intake pipe 1, a lower adsorption box 2 is installed by bolts, and an upper adsorption box 21 is installed above the lower adsorption box 2. An upper shunt plate 22 is installed inside the upper adsorption box 21, and a lower shunt plate 23 is installed inside the lower adsorption box 2. A second sealing gasket 24 is installed between the lower adsorption box 2 and the upper adsorption box 21. The adsorption plate 3 is installed inside the lower adsorption box 2 and the upper adsorption box 21, and a backwash air duct 4 is arranged on the outside of the adsorption plate 3. On the side of the lower adsorption box 2 away from the intake pipe 1, an outlet pipe 5 is installed by bolts. Inside the outlet pipe 5, an upper shunt plate 51 and a lower shunt plate 52 are successively installed from top to bottom. A third sealing gasket 6 is installed in the middle part between the outlet pipe 5 and the intake pipe 1. A first sealing gasket 11 is installed at the connection between the outlet pipe 5, the intake pipe 1 and the lower adsorption box 2. The upper shunt plate 12 cooperates with the upper shunt plate 22 and the upper shunt plate 51 to shunt the flue gas above them from the overall flue gas. The lower shunt plate 13, the lower shunt plate 23 cooperate with the lower shunt plate 52 to shunt the lower part of the flue gas into two parts, the middle and the lower. By using the above method, the flue gas can be shunted into three parts: the upper, the middle and the lower. The relatively clean flue gas will quickly pass through the terminal purification device, while the flue gas with more particulate matter at the bottom will be fully adsorbed and filtered inside the lower adsorption box 2 and then discharged through the outlet pipe 5 to ensure the adsorption and filtration efficiency. The front end of the upper shunt plate 12 is bent upward, and the upper shunt plate 12 is closely attached to the upper shunt plate 22. The upward-bent upper shunt plate 12 can block the flue gas, and the particulate matter will hit the upper shunt plate 12 to ensure the cleanliness of the flue gas shunted to the upper part. The closely attached upper shunt plate 12 and upper shunt plate 22 can ensure the airtightness of the overall upper shunt plate. The front end of the lower shunt plate 13 is bent upward. The upward-bent lower shunt plate 13 can block the flue gas, and the particulate matter will hit the lower shunt plate 13 and the particulate matter will drop below the flue gas, which can completely shunt the flue gas. By using the above method, the efficiency of flue gas shunt adsorption and filtration can be further increased. The upper shunt plate 22 and the lower shunt plate 23 are arranged parallel to each other. The parallel arrangement of the upper shunt plate 22 and the lower shunt plate 23 can facilitate the flue gas to be quickly adsorbed by the adsorption plate 3. By using this method, the treatment efficiency of the device for flue gas can be ensured. The backwash air duct 4 and the adsorption plate 3 are arranged parallel to each other, and one end of the backwash air duct 4 is connected to an air pump. After adsorption is completed, the air pump transports high-pressure air to the backwash air duct 4 to backwash the adsorption plate 3 to ensure the filtration and adsorption efficiency and effect of the adsorption plate 3. The parallel arrangement of the backwash air ducts 4 can comprehensively and reliably backwash the adsorption plate 3. The upper adsorption box 21 and the lower adsorption box 2 are fixed by bolts. The bolts can make the installation of the upper adsorption box 21 and the lower adsorption box 2 more reliable and firm.The intake pipe 1 is provided in a split type, and the intake pipe 1 and the first lower shunt plate 13 are integrally welded. The split intake pipe 1 facilitates the installation of the first upper shunt plate 12 and the first lower shunt plate 13 inside the intake pipe 1. The integrally welded first lower shunt plate 13 can be firmly installed with the intake pipe 1 inside the intake pipe 1. The third upper shunt plate 51 and the second upper shunt plate 22 are combined with the first gasket 11 to form an upper shunt plate, which can shunt the flue gas to facilitate the subsequent adsorption and filtration of the flue gas by the adsorption plate 3.

[0034] The working principle of the present utility model is as follows: When using this device, install the first upper shunt plate 12 and the first lower shunt plate 13 inside the intake pipe 1, and then use bolts to assemble the intake pipe 1. Similarly, assemble the lower adsorption box 2 and the upper adsorption box 21, and assemble the outlet pipe 5, the third upper shunt plate 51 and the third lower shunt plate 52. After assembly, use bolts to assemble the intake pipe 1, the lower adsorption box 2 and the outlet pipe 5 to complete the installation of the device. The flue gas enters the inside of the lower adsorption box 2 through the intake pipe 1. The first upper shunt plate 12 cooperates with the second upper shunt plate 22 and the flue gas above the third upper shunt plate 51 to shunt the whole flue gas. The first lower shunt plate 13, the second lower shunt plate 23 cooperate with the third lower shunt plate 52 to shunt the lower part of the flue gas into two middle and lower channels. By using the above method, the flue gas can be shunted into three parts: upper, middle and lower. The relatively clean flue gas will quickly pass through the terminal purification device, while the flue gas with more particulate matter at the bottom will be fully adsorbed and filtered inside the lower adsorption box 2 and then discharged through the outlet pipe 5 to ensure the adsorption and filtration efficiency. After adsorption, the air pump transports high-pressure air to the backflush air duct 4 to backflush the adsorption plate 3 to ensure the filtration and adsorption efficiency and effect of the adsorption plate 3.

[0035] It should be noted that in this article, the terms "including", "comprising" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0036] In this article, specific examples are used to elaborate on the principle and implementation mode of the present utility model. The description of the above examples is only used to help understand the method and its core idea of the present utility model. The above is only the preferred implementation mode of the present utility model. It should be pointed out that due to the limitation of literal expression, objectively there are infinite specific structures. For those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements, retouches or changes can be made, or the above technical features can be combined in an appropriate way; these improvements, retouches, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should all be regarded as the protection scope of the present utility model.

Claims

1. A flue gas terminal purification device, comprising an air intake pipe (1) and an adsorption plate (3), characterized in that: The interior of the air intake pipe (1) is sequentially installed with an upper splitter plate (12) and a lower splitter plate (13) from top to bottom; the outer side of the air intake pipe (1) is installed with a lower adsorption box (2) by bolts, and an upper adsorption box (21) is installed above the lower adsorption box (2); an upper splitter plate (22) is installed inside the upper adsorption box (21); a lower splitter plate (23) is installed inside the lower adsorption box (2); a sealing gasket (24) is installed between the lower adsorption box (2) and the upper adsorption box (21); and the adsorption plate (3) is installed A recoil air duct (4) is provided inside the lower adsorption box (2) and the upper adsorption box (21), and on the outer side of the adsorption plate (3); an outlet pipe (5) is installed on the side of the lower adsorption box (2) away from the air inlet pipe (1) by bolts, and an upper diverter plate three (51) and a lower diverter plate three (52) are installed in sequence inside the outlet pipe (5) from top to bottom; a sealing gasket three (6) is installed in the middle of the outlet pipe (5) and the air inlet pipe (1); and a sealing gasket one (11) is installed at the connection between the outlet pipe (5), the air inlet pipe (1) and the lower adsorption box (2).

2. A flue gas terminal purification device according to claim 1, characterized in that: The front end of the upper splitter plate 1 (12) is bent upward, and the upper splitter plate 1 (12) and the upper splitter plate 2 (22) are tightly fitted.

3. A flue gas terminal purification device according to claim 1, characterized in that: The front end of the lower diverter plate 1 (13) is bent upward.

4. A flue gas terminal purification device according to claim 1, characterized in that: The upper splitter plate 2 (22) and the lower splitter plate 2 (23) are arranged parallel to each other.

5. The flue gas terminal purification device according to claim 1, characterized in that: The recoil air channel (4) and the adsorption plate (3) are arranged parallel to each other, and one end of the recoil air channel (4) is connected to an air pump.

6. A flue gas terminal purification device according to claim 1, characterized in that: The upper adsorption box (21) and the lower adsorption box (2) are fixed by bolts.

7. The flue gas terminal purification device according to claim 1, characterized in that: The air intake pipe (1) is arranged in a split type, and the air intake pipe (1) and the lower splitter plate (13) are arranged in an integrated manner by welding.

8. The flue gas terminal purification device according to claim 1, characterized in that: The upper splitter plate three (51) and the upper splitter plate two (22) are combined with the sealing gasket one (11) to form the upper splitter plate.

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