CN-224207762-U - Flue gas treatment device

CN224207762UCN 224207762 UCN224207762 UCN 224207762UCN-224207762-U

Abstract

The utility model provides a flue gas treatment device which comprises a shell, a baffle plate structure and a plurality of slurry conveying pipes, 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 baffle plate structure is arranged in the reaction space and positioned between the air inlet and the air outlet, the baffle plate structure comprises at least one orifice plate for allowing air and liquid to pass through holes of the orifice plate, the slurry conveying pipes are arranged in the reaction space and positioned below the baffle plate structure, the slurry conveying pipes are provided with a plurality of slurry spray heads and are used for spraying reaction slurry to the baffle plate structure, and the edge of the baffle plate structure is flush with or lower than the intersection point of a spray line of the slurry spray heads and the inner side wall of the shell. The baffle structure shields the path from the spraying line of the slurry spraying head to the inner side wall of the shell, thereby being beneficial to reducing the reaction slurry sprayed on the side wall of the reaction space and reducing the waste of the reaction slurry.

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. A flue gas treatment device, comprising: a housing formed with a reaction space, an air inlet communicated with the reaction space being formed at the bottom of a side surface of the housing, and an air outlet communicated with the reaction space being formed at the top surface of the housing; A baffle structure disposed within the reaction space and positioned between the gas inlet and the gas outlet, the baffle structure comprising at least one orifice plate to allow passage of gas and liquid through the orifice plate's through-holes, and The slurry conveying pipes are arranged in the reaction space and positioned below the partition plate structure, and are provided with a plurality of slurry spray heads for spraying reaction slurry to the partition plate structure; Wherein, the edge of baffle structure is flush with or is less than the intersection point of the shower line of thick liquid shower head and the inside wall of shell.
2. The flue gas treatment device according to claim 1, wherein, The slurry conveying pipes extend from one side of the shell opposite to the air inlet to the side where the air inlet is located, a plurality of slurry conveying pipes are distributed transversely and perpendicular to the air inlet direction, and a plurality of slurry spray heads of the slurry conveying pipes are distributed along the extending direction of the slurry conveying pipes.
3. A flue gas treatment device according to claim 2, wherein, And along the distribution direction of the slurry conveying pipes, the slurry spray heads on the outermost slurry conveying pipes incline to the middle.
4. A flue gas treatment device according to claim 3, wherein, The acute angle formed by the central axis of the slurry spray header on the outermost slurry conveying pipe and the vertical line is set to be 10-30 degrees.
5. A flue gas treatment device according to claim 2, wherein, Along the distribution direction of the slurry conveying pipes, the distance between the outermost slurry conveying pipe and the nearest inner side wall of the shell is set to be 30-80 cm.
6. The flue gas treatment device according to claim 1, wherein, The nearest distance between the slurry spray header on the slurry conveying pipe and the partition plate structure is set to be 50-100 cm.
7. The flue gas treatment device according to claim 1, wherein, The partition plate structure comprises a supporting frame and a plurality of pore plates, and the pore plates are arranged above the supporting frame so as to be supported by the supporting frame.
8. The flue gas treatment device according to claim 1, wherein, The aperture of the through hole on the pore plate is set to be 3-30 mm.
9. 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.
10. 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, so that reaction slurry entering the filter cavity from the input port flows to the output port after being filtered by the filter screen.

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. The flue gas treatment mode mainly utilizes reaction slurry and flue gas to react in a reaction space, so as to absorb harmful substances in the flue gas. Generally, the reaction slurry is sprayed into the reaction space by using the spray head, and in the spraying process, the reaction slurry is sprayed onto the side wall of the reaction space, so that not only is the waste of the reaction slurry caused, but also scale is formed on the side wall of the reaction space, the side wall of the reaction space is damaged, and the cleaning is inconvenient. Disclosure of utility model It is an object of the present utility model to provide a flue gas treatment device that helps reduce the reaction slurry sprayed onto the side walls of the reaction space. In particular, the present utility model provides a flue gas treatment device comprising: a housing formed with a reaction space, an air inlet communicated with the reaction space being formed at the bottom of a side surface of the housing, and an air outlet communicated with the reaction space being formed at the top surface of the housing; A baffle structure disposed within the reaction space and positioned between the gas inlet and the gas outlet, the baffle structure comprising at least one orifice plate to allow passage of gas and liquid through the orifice plate's through-holes, and The slurry conveying pipes are arranged in the reaction space and positioned below the partition plate structure, and are provided with a plurality of slurry spray heads for spraying reaction slurry to the partition plate structure; Wherein, the edge of baffle structure is flush with or is less than the intersection point of the shower line of thick liquid shower head and the inside wall of shell. Optionally, the slurry conveying pipe extends from a side of the shell opposite to the air inlet to a side where the air inlet is located, a plurality of slurry conveying pipes are distributed transversely and perpendicular to the air inlet direction, and a plurality of slurry spray heads of the slurry conveying pipes are distributed along the extending direction of the slurry conveying pipe. Optionally, along the distribution direction of the slurry conveying pipes, the slurry spray heads on the outermost slurry conveying pipes incline to the middle. Optionally, an acute angle formed by the central axis of the slurry spray header on the outermost slurry conveying pipe and the vertical line is set to be 10-30 degrees. Optionally, along the distribution direction of the slurry conveying pipes, the distance between the outermost slurry conveying pipe and the nearest inner side wall of the shell is set to be 30-80 cm. Optionally, the closest distance between the slurry spray header on the slurry conveying pipe and the partition plate structure is set to be 50-100 cm. Optionally, the partition structure includes a support frame and a plurality of the orifice plates, and the plurality of orifice plates are disposed above the support frame so as to be supported by the support frame. Optionally, the aperture of the through hole on the pore plate is set to be 3-30 mm. 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. 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, so that reaction slurry entering the filter cavity from the input port flows to the output port after being filtered by the filter screen. According to the flue gas treatment device, the baffle structure and the slurry conveying pipes are arranged in the reaction space, the slurry conveying pipes are arranged below the baffle structure, and the edge of the baffle structure is flush with or lower than the intersection point of the spraying line of the slurry spraying head and the inner side wall of the shell. In this way, in the flue gas treatment process, flue gas to be treated enters the reaction space from the air inlet and diffuses and flows in the reaction space, and during the period, the slurry spray head on the slurry conveying pipe sprays reaction slurry into the reaction space, and the reaction slurry is sprayed out from the slurry spray head and can be