CN-120586624-B - Integrative tower purifier of SOx/NOx control

CN120586624BCN 120586624 BCN120586624 BCN 120586624BCN-120586624-B

Abstract

The invention discloses a purification device of a desulfurization and denitrification integrated tower, which comprises a desulfurization and denitrification integrated tower, wherein a smoke inlet is formed in the bottom side of the desulfurization and denitrification integrated tower, a smoke outlet is formed in the top of the desulfurization and denitrification integrated tower, a smoke uniform distribution plate, a sulfur dioxide removal zone, a nitrogen oxide oxidation zone, a nitrogen dioxide removal zone and a demisting zone are sequentially distributed in the desulfurization and denitrification integrated tower from bottom to top along a flue, the sulfur dioxide removal zone, the nitrogen oxide oxidation zone and the nitrogen dioxide removal zone are identical in structure and are mutually communicated, and a circulating pump liquid assembly is externally connected to the exterior of the desulfurization and denitrification integrated tower. According to the invention, the desulfurization and denitrification integrated tower is divided into the treatment areas with independent functions and the same structure, so that the gradual purification of the flue gas is realized, the contact efficiency of harmful substances and medicaments can be obviously improved by controlling the residence time and the airflow path of the flue gas in each area, and the problem of incomplete purification caused by the too fast flow rate of the flue gas in the traditional process is solved.

Inventors

ZHOU YUTENG
ZANG JIANBIN
Dai yuhuan
LIU BO
KUANG LU
LI HAO
SHAO MINGJIE

Assignees

山东康源环保科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250626

Claims (7)

1. The integrated desulfurization and denitrification tower purification device comprises a desulfurization and denitrification integrated tower (5) and is characterized in that a smoke inlet (12) is formed in the bottom side of the desulfurization and denitrification integrated tower (5), a smoke outlet (13) is formed in the top of the desulfurization and denitrification integrated tower (5), a smoke uniform distribution plate (14), a sulfur dioxide removal zone (15), an oxynitride oxidation zone (16), a nitrogen dioxide removal zone (17) and a demisting zone (18) are sequentially distributed in the desulfurization and denitrification integrated tower (5) from bottom to top along a flue, the sulfur dioxide removal zone (15), the oxynitride oxidation zone (16) and the nitrogen dioxide removal zone (17) are identical in structure and are mutually communicated, and a circulating pump liquid component is externally connected to the desulfurization and denitrification integrated tower (5); Sulfur dioxide desorption district (15) are including fixed mounting swash plate (19) in desulfurization denitration integrative tower (5), fixed mounting has nipple (20) in swash plate (19), annular fluting (21) have been seted up to the pipe wall of nipple (20), annular baffle (22) have been installed to nipple (20) inside fixed mounting, fixed mounting has intake pipe (23) in annular baffle (22), a plurality of gas outlets have been seted up at the top of intake pipe (23), fixed mounting has outlet duct (24) in the gas outlet, just the tip of outlet duct (24) runs through the lateral wall of nipple (20) and stretches into in desulfurization denitration integrative tower (5), the top outside fixedly connected with annular storehouse (25) of nipple (20), just the laminating of the outer lane lateral wall of annular storehouse (25) the inner wall of desulfurization denitration integrative tower (5), the bottom fixedly connected with a plurality of shower nozzles (26) of annular storehouse (25).
2. The integrated desulfurization and denitrification tower purification device according to claim 1, wherein a rain cap (27) is fixedly arranged on the outer wall of the faucet pipe (20), the bottoms of the rain caps (27) are attached to the tops of the air outlet pipes (24), and the radius of the bottom surface of the rain cap (27) is larger than the length of the air outlet pipes (24).
3. The integrated desulfurization and denitrification tower purification device according to claim 1, wherein the top of the annular partition plate (22) is fixedly connected with an annular propping device (28), an avoidance annular groove for sliding the annular propping device (28) is formed in the position, located at the annular groove (21), of the inner wall of the joint pipe (20), and when the output end of the annular propping device (28) slides upwards along the avoidance annular groove to the stroke end, the output end of the annular propping device (28) seals the annular groove (21).
4. The integrated desulfurization and denitrification tower purification device according to claim 3, wherein the annular top support device (28) is fixedly provided with an annular water blocking frame (29), and a plurality of mounting grooves (30) for avoiding the air outlet pipe (24) are formed in the annular water blocking frame (29).
5. The integrated desulfurization and denitrification tower purification device according to claim 1, wherein the air-entraining fan (31) is fixedly arranged in the joint pipe (20), and an annular surrounding baffle (32) for limiting the flow direction of the flue is fixedly arranged at the top of the inner side of the joint pipe (20).
6. The desulfurization and denitrification integrated tower purification device according to claim 1, wherein the circulating pump liquid assembly comprises a plurality of pipelines fixedly installed outside the desulfurization and denitrification integrated tower (5), the pipelines are respectively communicated with the inside of a sulfur dioxide removal zone (15), a nitrogen oxide oxidation zone (16), a nitrogen dioxide removal zone (17) and a demisting zone (18), the sulfur dioxide removal zone (15) is externally connected with an alkali liquor circulating pump (1) through the pipelines, one end, far away from the pipelines, of the alkali liquor circulating pump (1) is connected with an alkali liquor circulating tank (2), one side of the alkali liquor circulating tank (2) is provided with an alkali liquor tank (8), one end, far away from the pipelines, of the nitrogen oxide oxidation zone (16) is connected with an oxidant circulating tank (3), one side, far away from the pipelines, of the oxidant circulating tank (3) is provided with an oxidant tank (10), and waste water discharging pumps (9) are respectively arranged in the alkali liquor circulating tank (2) and the oxidant circulating tank (3).
7. The desulfurization and denitrification integrated tower purification device according to claim 1, wherein the demisting area (18) comprises two demisters (33) fixedly installed in the desulfurization and denitrification integrated tower (5), three annular flushing pipes are arranged between the two demisters (33), the three annular flushing pipes are externally connected with a flushing water pump (7) through a pipeline, and one side, far away from the pipeline, of the flushing water pump (7) is connected with a clean water tank (6).

Description

Integrative tower purifier of SOx/NOx control Technical Field The invention relates to the technical field of flue gas treatment, in particular to a desulfurization and denitrification integrated tower purification device. Background In the prior art, two types of flue gas treatment devices are basically selected as main bodies of flue gas treatment, one type of flue gas treatment process is a traditional multi-equipment integrated flue gas treatment process route, but various equipment occupies large area, the investment cost is high, the technical requirements on operators are high, the other type of flue gas treatment device is a desulfurization and denitrification integrated tower purification device, and more types of flue gas treatment devices are selected in the market, so that the flue gas treatment of sulfur dioxide and nitrogen oxides in most industrial fields can be met. When the wet denitration and desulfurization is adopted in the desulfurization and denitration integrated tower in the prior art, the condition of incomplete flue gas denitration and desulfurization is very easy to occur due to too fast flue gas flow rate or too short contact time of sprayed liquid and flue gas, and the denitration agent and the desulfurizing agent adopted during denitration and desulfurization are not beneficial to recycling and use in a mixed mode, so that a great amount of resources are wasted, and therefore, a technical scheme is needed in order to solve the problems in the prior art. Disclosure of Invention The invention aims to provide a desulfurization and denitrification integrated tower purification device, which aims to solve the problems in the background technology. In order to solve the technical problems, the invention adopts the following technical scheme: The utility model provides an integrative tower purifier of SOx/NOx control, includes the integrative tower of SOx/NOx control, the inlet opening has been seted up to the bottom side of the integrative tower of SOx/NOx control, the outlet opening has been seted up at the top of the integrative tower of SOx/NOx control, along flue follow supreme flue equipartition board, sulfur dioxide removal district, oxynitride oxidation district, nitrogen dioxide removal district and defogging district down in proper order in the integrative tower of SOx/NOx control, just sulfur dioxide removal district the oxynitride oxidation district with nitrogen dioxide removal district structure is the same and communicates each other, the outside external circulation pump liquid subassembly that has of the integrative tower of SOx/NOx control. Further, sulfur dioxide desorption district includes fixed mounting the swash plate in the integrative tower of SOx/NOx control, fixed mounting has the adapter in the swash plate, annular fluting has been seted up to the pipe wall of adapter, the inside fixed mounting of adapter has annular baffle, fixed mounting has the intake pipe in the annular baffle, a plurality of gas outlets have been seted up at the top of intake pipe, fixed mounting has the outlet duct in the gas outlet, just the tip of outlet duct runs through the lateral wall of adapter, and stretches into in the integrative tower of SOx/NOx control, the top outside fixedly connected with annular storehouse of adapter, just the laminating of the outer lane lateral wall of annular storehouse the inner wall of the integrative tower of SOx/NOx control, the bottom fixedly connected with of annular storehouse a plurality of shower nozzles. Further, the outer wall of the connecting pipe is fixedly provided with a rain cap, the bottom of the rain cap is attached to the tops of the air outlet pipes, and the radius of the bottom surface of the rain cap is larger than the length of the air outlet pipes. Further, the top fixedly connected with annular jack-up device of annular baffle, the inner wall of connecting pipe is located annular fluting department has offered and has supplied annular jack-up device slides dodge the annular, annular jack-up device's output is followed dodge the annular and slide to the stroke terminal time, annular jack-up device's output shutoff annular fluting. Furthermore, an annular water baffle frame is fixedly arranged at the top of the annular jacking device, and a plurality of mounting grooves for avoiding the air outlet pipe are formed in the annular water baffle frame. Further, the inside of the connecting pipe is fixedly provided with an air entraining fan, and the top of the inner side of the connecting pipe is fixedly provided with an annular surrounding baffle for limiting the flow direction of the flue. Further, the circulating pump liquid subassembly includes a plurality of fixed mounting pipeline outside the integrative tower of SOx/NOx control, a plurality of the pipeline respectively with sulfur dioxide removal zone, oxynitride oxidation zone, nitrogen dioxide removal zone and defogging district's inside intercommunication, the sulfur dio