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CN-224207759-U - High-efficient flue gas desulfurization denitration integrated device

CN224207759UCN 224207759 UCN224207759 UCN 224207759UCN-224207759-U

Abstract

The utility model relates to the technical field of flue gas treatment, in particular to a high-efficiency flue gas desulfurization and denitrification integrated device which comprises a treatment tower main body, wherein a flue gas input assembly, a treatment liquid circulation assembly and a spraying assembly are arranged in the treatment tower main body, treatment liquid circulates, the flue gas input assembly comprises a flue gas inlet pipe, the tail end of the flue gas inlet pipe is connected with an end sleeve, a plurality of straight pipes are connected to the end sleeve, the spraying assembly comprises a spiral flue, a spiral belt pipe is arranged in the spiral flue, a plurality of spray heads are arranged on the spiral belt pipe, and the output end of the treatment liquid circulation assembly is communicated with the bottom end of the spiral belt pipe. This high-efficient flue gas desulfurization denitration integrated device through the spiral flue of setting and the spiral belt pipe that has the shower head, makes smog be the spiral along the spiral flue in the processing tower main part and rises, has prolonged the flow distance of smog in the tower to increased the contact duration of smog and atomizing treatment fluid, let substances such as sulfur, nitrate in the smog have more sufficient time and take place the reaction with the treatment fluid.

Inventors

  • XIE JIACHEN
  • XIE RAN

Assignees

  • 江苏沐嘉环保设备有限公司

Dates

Publication Date
20260508
Application Date
20250530

Claims (8)

  1. 1. The high-efficiency flue gas desulfurization and denitrification integrated device comprises a treatment tower main body (100) and is characterized in that a flue gas input assembly (200) for introducing flue gas is arranged at the bottom position in the treatment tower main body (100), a treatment liquid circulation assembly (300) for circulating treatment liquid in the treatment tower main body (100) is arranged at the outer side of the treatment tower main body (100), and a spray assembly (400) for desulfurizing and denitrifying the flue gas is also arranged in the treatment tower main body (100); The flue gas input assembly (200) comprises a flue gas inlet pipe (210) extending into the treatment tower main body (100), the tail end of the flue gas inlet pipe (210) is connected with an end sleeve (220), the end sleeve (220) is immersed in treatment liquid, the periphery of the end sleeve (220) is connected with a plurality of straight pipes (230), the straight pipes (230) are connected with a plurality of dispersing pipes (231), and a plurality of dispersing holes (232) are formed in the peripheral surface of the dispersing pipes (231); The spray assembly (400) comprises a spiral flue (410) which is in a spiral shape, a spiral belt pipe (420) is arranged in the spiral flue (410), the spiral belt pipe (420) is arranged along the top wall of the spiral flue (410), a plurality of spray heads (421) are arranged on the bottom surface of the spiral belt pipe (420), and the output end of the treatment fluid circulation assembly (300) is communicated with the bottom end of the spiral belt pipe (420).
  2. 2. The integrated device for desulfurization and denitrification of flue gas according to claim 1, wherein the top end of the main body (100) of the treatment tower is connected with a discharge pipe (110), and the discharge pipe (110) is used for discharging treated smoke.
  3. 3. The integrated device for desulfurization and denitrification of flue gas according to claim 1, wherein the bottom end of the main body (100) of the treatment tower is connected with a discharge port (120), and the discharge port (120) is used for discharging the treatment liquid in the main body (100) of the treatment tower.
  4. 4. The integrated device for desulfurization and denitrification of flue gas according to claim 1, wherein the end cap (220) is fixed on the inner wall of the bottom of the main body (100), the straight pipes (230) are arranged in an annular array on the end cap (220), and the dispersion pipes (231) are immersed in the treatment liquid.
  5. 5. The integrated device for high-efficiency flue gas desulfurization and denitrification as set forth in claim 1, wherein the treatment fluid circulation assembly (300) comprises a circulation pump (310), an input end of the circulation pump (310) is connected with the bottom end inside the treatment tower main body (100) through a fluid inlet pipe (320), an output end of the circulation pump (310) is connected with a fluid outlet pipe (330), and the tail end of the fluid outlet pipe (330) extends into the treatment tower main body (100).
  6. 6. The integrated device for desulfurization and denitrification of flue gas according to claim 5, wherein the spiral belt pipe (420) has a flat hollow belt structure, a connecting pipe (422) is arranged at the bottom end of the spiral belt pipe (420), and the tail end of the liquid outlet pipe (330) is communicated with the connecting pipe (422) after extending into the main body (100) of the treatment tower.
  7. 7. The integrated device for desulfurization and denitrification of flue gas according to claim 1, wherein both ends of the top and bottom of the spiral flue (410) are provided with fixed hoppers (430), the head ends of the fixed hoppers (430) are communicated with the mouth of the spiral flue (410), and the tail edges of the fixed hoppers (430) are fixedly connected with the inner wall of the main body (100) of the treatment tower.
  8. 8. The integrated device for desulfurization and denitrification of flue gas according to claim 7, wherein a connecting channel (431) is arranged at the head end of the fixed hopper (430), and the mouth of the spiral flue (410) is communicated with the head end of the fixed hopper (430) through the connecting channel (431).

Description

High-efficient flue gas desulfurization denitration integrated device Technical Field The utility model relates to the technical field of flue gas treatment, in particular to a high-efficiency flue gas desulfurization and denitrification integrated device. Background The utility model patent number CN221385900U discloses a purification device for desulfurization and denitrification of coal-fired flue gas, which comprises a purification tower body, wherein the top of the purification tower body is provided with an air outlet, the bottom of the purification tower body is fixedly provided with an air inlet smoke outlet, the bottom of the purification tower body is conical, the center of the bottom of the purification tower body is movably sleeved with a bulb-shaped scattered smoke matrix, the upper end of the scattered smoke matrix is semicircular, the lower part of the scattered smoke matrix is in an inverted conical shape and the outer side of the scattered smoke matrix is arc-shaped, and a plurality of air outlet holes perpendicular to the outer side of the scattered smoke matrix are formed in the scattered smoke matrix. This clarification plant for coal-fired flue gas desulfurization denitration is through being under the effect of cigarette end for coal-fired flue gas needs to be discharged to the inside of purifying column body through scattered cigarette base member, under the structural action of scattered cigarette base member, makes its coal-fired flue gas pass through the venthole of different directions and angle on the scattered cigarette base member and discharges. This clarification plant for coal-fired flue gas SOx/NOx control, clarification plant for coal-fired flue gas SOx/NOx control in the comparison file, coal-fired flue gas mainly relies on scattered cigarette base member diffusion and baffle drive stirring board to disturb the air current in the purifying tower body, make flue gas and treatment fluid contact, the flue gas ascending path is comparatively single, and the treatment fluid sprays at the filling layer through the shower nozzle and form the water film, the contact time of flue gas and treatment fluid is limited under this kind of mode, lead to some flue gas probably unable sufficient and the treatment fluid emergence SOx/NOx control reaction, in view of this, we propose high-efficient flue gas SOx/NOx control integrated device. Disclosure of utility model The utility model aims to provide a high-efficiency flue gas desulfurization and denitrification integrated device so as to solve the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: The high-efficiency flue gas desulfurization and denitrification integrated device comprises a treatment tower main body, wherein a flue gas input assembly for introducing flue gas is arranged at the bottom position in the treatment tower main body, a treatment liquid circulation assembly for circulating treatment liquid in the treatment tower main body is arranged at the outer side of the treatment tower main body, and a spray assembly for desulfurizing and denitrifying the flue gas is also arranged in the treatment tower main body; The flue gas input assembly comprises a flue gas inlet pipe extending into the main body of the treatment tower, the tail end of the flue gas inlet pipe is connected with an end sleeve, the end sleeve is immersed in treatment liquid, the periphery of the end sleeve is connected with a plurality of straight pipes, the straight pipes are connected with a plurality of dispersing pipes, and the peripheral surfaces of the dispersing pipes are provided with a plurality of dispersing holes; The spray assembly comprises a spiral flue which is provided with a spiral belt pipe, the spiral belt pipe is arranged along the top wall of the spiral flue, the bottom surface of the spiral belt pipe is provided with a plurality of spray heads, and the output end of the treatment fluid circulation assembly is communicated with the bottom end of the spiral belt pipe. Preferably, a discharge pipe is connected to the top end of the treatment tower main body, and the discharge pipe is used for discharging the treated smoke; In this arrangement, the exhaust duct provides an exhaust path for the treated fumes, ensuring the integrity of the decontamination process. Preferably, the bottom end of the treatment tower main body is connected with a discharge port, and the discharge port is used for discharging the treatment liquid in the treatment tower main body; in this arrangement, the drain port facilitates periodic draining and replacement of the treatment fluid, maintaining the stability of the treatment environment within the apparatus. Preferably, the end sleeve is fixed on the inner wall of the bottom of the main body of the treatment tower, the straight pipes are arranged in an annular array on the end sleeve, and the dispersion pipes are imm