CN-224207761-U - Flue gas treatment device

Abstract

The utility model provides a flue gas treatment device which comprises a shell, a slurry conveying pipe and a slurry conveying pipe, wherein a reaction space is formed in the shell, an air inlet communicated with the reaction space is formed in the bottom of the side face of the shell, an air outlet communicated with the reaction space is formed in the top face of the shell, the slurry conveying pipe is arranged in the reaction space and is lower than the highest position of the air inlet, the slurry conveying pipe comprises a main body section and a first inclined section, the main body section extends from one side of the shell opposite to the air inlet to the side where the air inlet is located, the first inclined section is arranged at one end of the main body section close to the air inlet, the first inclined section is inclined from bottom to top in the direction away from the air inlet, a plurality of slurry spray heads distributed along the extending direction of the main body section are arranged at one end of the first inclined section away from the air inlet, and the slurry conveying pipe sprays reaction slurry into the reaction space through the slurry spray heads. The flow property of the flue gas in the transverse direction is fully utilized, and the reaction sufficiency is improved.

Inventors

• Request for anonymity

Assignees

• 芙特碳汇(北京)科技有限公司
• 北京大学

Dates

Publication Date

20260508

Application Date

20250529

Claims (10)

1. 1. A flue gas treatment device, comprising: A housing formed with a reaction space, a gas inlet communicating with the reaction space being formed at a bottom of a side surface of the housing, a gas outlet communicating with the reaction space being formed at a top surface of the housing, and The slurry conveying pipe is arranged in the reaction space and lower than the highest position of the air inlet, the slurry conveying pipe comprises a main body section and a first inclined section, the main body section extends from one side of the shell opposite to the air inlet to the side where the air inlet is located, the first inclined section is arranged at one end of the main body section, which is close to the air inlet, the first inclined section inclines from bottom to top along the direction which is away from the air inlet, the main body section is provided with a plurality of slurry spray heads which are distributed along the self extending direction, one end of the first inclined section, which is away from the air inlet, is provided with one slurry spray head, and the slurry conveying pipe sprays reaction slurry into the reaction space through the slurry spray head.
2. 2. The flue gas treatment device according to claim 1, wherein, An acute angle formed by the axis of the first inclined section and a horizontal line extending along the air inlet direction of the air inlet is set to be 30-50 degrees.
3. 3. The flue gas treatment device according to claim 1, wherein, A second inclined section is arranged between the main body section and the first inclined section, and the second inclined section is inclined from bottom to top along the direction pointing to the air inlet.
4. 4. A flue gas treatment device according to claim 3, wherein, An acute angle formed by the axis of the second inclined section and the axis of the main body section is set to be 10-30 degrees.
5. 5. A flue gas treatment device according to claim 3, wherein, The first inclined section and the second inclined section are connected through an arc-shaped bent pipe.
6. 6. A flue gas treatment device according to claim 3, wherein, The main body section is thinner and thinner along the direction pointing to the air inlet, and the pipe diameters of the first inclined section and the second inclined section are equal to each other and smaller than or equal to the minimum pipe diameter of the main body section.
7. 7. The flue gas treatment device according to claim 6, wherein, The pipe diameters of the first inclined section and the second inclined section are set to be 4-8 cm.
8. 8. A flue gas treatment device according to claim 3, wherein, The length of the first inclined section is smaller than the length of the second inclined section.
9. 9. The flue gas treatment device according to claim 1, further comprising: a filtration device comprising: A vessel body formed with a filter chamber, and an input port for receiving raw reaction slurry and an output port for interfacing with the slurry delivery pipe in communication with the filter chamber, and The filter screen is arranged in the filter cavity so as to divide the filter cavity into two parts, and the input port and the output port are respectively positioned at two sides of the filter screen.
10. 10. The flue gas treatment device according to claim 1, wherein, The bottom surface of the shell is provided with a sewage collecting tank, and the bottom surface of the shell is inclined from the periphery of the sewage collecting tank to the position of the sewage collecting tank from high to low.

Description

Flue gas treatment device Technical Field The utility model relates to the technical field of flue gas treatment, in particular to a flue gas treatment device. Background For a large amount of flue gas generated by factories, the flue gas can be discharged after being treated and purified. At present, a gas-liquid reaction technology is generally adopted for treating the flue gas. In the flue gas treatment process, the flue gas to be treated can be conveyed into a reaction space, and then the slurry spray header on the slurry conveying pipe is utilized to release reaction slurry into the reaction space, and the reaction slurry reacts with the flue gas, so that harmful substances in the flue gas are removed, and the flue gas is treated. In the practical application process, how to improve the sufficiency of the reaction slurry and the flue gas in the reaction space is one of important technical directions of flue gas treatment research. Disclosure of utility model It is an object of the present utility model to provide a flue gas treatment device that helps to increase the reaction sufficiency of the reaction slurry and flue gas in the reaction space. In particular, the present utility model provides a flue gas treatment device comprising: A housing formed with a reaction space, a gas inlet communicating with the reaction space being formed at a bottom of a side surface of the housing, a gas outlet communicating with the reaction space being formed at a top surface of the housing, and The slurry conveying pipe is arranged in the reaction space and lower than the highest position of the air inlet, the slurry conveying pipe comprises a main body section and a first inclined section, the main body section extends from one side of the shell opposite to the air inlet to the side where the air inlet is located, the first inclined section is arranged at one end of the main body section, which is close to the air inlet, the first inclined section inclines from bottom to top along the direction which is away from the air inlet, the main body section is provided with a plurality of slurry spray heads which are distributed along the self extending direction, one end of the first inclined section, which is away from the air inlet, is provided with one slurry spray head, and the slurry conveying pipe sprays reaction slurry into the reaction space through the slurry spray head. Optionally, an acute angle formed by the axis of the first inclined section and a horizontal line extending along the air inlet direction of the air inlet is set to be 30-50 degrees. Optionally, a second inclined section is provided between the main body section and the first inclined section, and the second inclined section is inclined from bottom to top along a direction pointing to the air inlet. Optionally, an acute angle formed by the axis of the second inclined section and the axis of the main body section is set to be 10-30 degrees. Optionally, the first inclined section and the second inclined section are connected by an arc-shaped elbow. Optionally, the main body section is thinner and thinner along the direction pointing to the air inlet, and the pipe diameters of the first inclined section and the second inclined section are equal to each other and smaller than or equal to the minimum pipe diameter of the main body section. Optionally, the pipe diameters of the first inclined section and the second inclined section are set to be 4-8 cm. Optionally, the length of the first inclined section is smaller than the length of the second inclined section. Optionally, the flue gas treatment device further comprises: a filtration device comprising: A vessel body formed with a filter chamber, and an input port for receiving raw reaction slurry and an output port for interfacing with the slurry delivery pipe in communication with the filter chamber, and The filter screen is arranged in the filter cavity so as to divide the filter cavity into two parts, and the input port and the output port are respectively positioned at two sides of the filter screen. Optionally, the bottom surface of shell is provided with album dirt pond, the bottom surface of shell is from album dirt pond all around to album dirt pond place position from high to low slope. According to the flue gas treatment device, the slurry conveying pipe lower than the air inlet is arranged in the reaction space, so that the slurry conveying pipe extends from one side of the shell opposite to the air inlet to the side where the air inlet is located, and the slurry conveying pipe is provided with the first inclined section which is inclined from bottom to top along the direction deviating from the air inlet. So that the slurry conveying pipe is arranged at the bottom of the reaction space and is opposite to a part of space of the air inlet along the front-back direction of the flue gas treatment device. When the flue gas enters the reaction space from the air inlet, the flue gas can flow throu