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CN-122006368-A - Flue gas desulfurization device

CN122006368ACN 122006368 ACN122006368 ACN 122006368ACN-122006368-A

Abstract

The invention relates to the technical field of flue gas dry desulfurization, in particular to a flue gas desulfurization device which comprises a processing chamber and an air flow pipeline for introducing flue gas into the processing chamber, wherein the air flow pipeline is divided into a straight exhaust pipe and a branch exhaust pipe from an inlet end, a grid for separating dust is arranged at the intersection of the air flow pipeline and the branch exhaust pipe, the branch exhaust pipe discharges gas from bottom to top, and the axis of a separation receiving mechanism is a gas explosion channel formed by a single-leaf hyperboloid. Through being provided with the desulfurizing agent at active carbon processing apparatus front position, reduce follow-up desulfur pressure through the desulfurization to the desulfurizing agent can be very big efficient with the sulphide reaction after, follow-up active carbon can realize the tertiary filtration, with the kidney endotheca be equipped with the floating ring moreover, the cover is equipped with the active carbon stick on the floating ring, the active carbon stick reciprocates in the kidney, can shake down the dust that adheres to like this, avoid the dust that adheres to on the active carbon stick to pile up like this, influence the speed that the purifying air flow flows, can clear up the dust on line like this, improve the quality of desulfurization.

Inventors

  • Wang Zhier

Assignees

  • 连云港国湖新能源科技有限公司

Dates

Publication Date
20260512
Application Date
20260317

Claims (10)

  1. 1. A flue gas desulfurization device, comprising a treatment chamber (1) and an airflow pipeline (2) for introducing flue gas into the treatment chamber (1), wherein the airflow pipeline (2) is divided into a straight exhaust pipe (21) and a distributing pipe (22) from an inlet end, a grid for separating dust is arranged at the intersection, and the distributing pipe (22) discharges gas from bottom to top; The separation and bearing mechanism (3), wherein the axis of the separation and bearing mechanism (3) is a gas explosion channel (34) formed by a single-leaf hyperboloid, and the periphery of the top of the separation and bearing mechanism (3) is provided with a discharge hole capable of opening and closing and a dust removing mechanism communicated with the inner cavity of the separation and bearing mechanism (3); A floating cleaning filter rod assembly (5) fixedly arranged in the processing chamber (1), wherein the floating cleaning filter rod assembly (5) comprises a multi-channel fixing seat (51) and a plurality of filter rod isolators (6) arranged on the multi-channel fixing seat (51); and the elastic filter screen supporting piece (4) is used for isolating dust discharged by the straight-line pipe (21) and supporting and fixing the filter rod isolator (6).
  2. 2. A flue gas desulfurization device according to claim 1, wherein the distributing pipes (22) are arranged below the grid and connected with the ends of the treatment chamber (1), electromagnetic valves (23) are arranged at the ends of the distributing pipes, and a pressurizing air pump (24) is arranged at the middle section of each distributing pipe (22).
  3. 3. A flue gas desulfurization device according to claim 2, wherein the dust removing mechanism comprises a powerful suction device (31) and an input pipe (32) which is arranged at an air inlet of the powerful suction device (31) and penetrates through the treatment chamber (1), a rotating mechanism driven by piston displacement is arranged in the input pipe (32), and a gear (33) is arranged at one end of the rotating mechanism.
  4. 4. A flue gas desulfurization device according to claim 3, wherein the separation and bearing mechanism (3) further comprises a sinking plate sleeve (37), a rotating plate (36) is rotatably arranged in the sinking plate sleeve (37), a toothed ring (35) is arranged at the bottom of the rotating plate (36), and the toothed ring (35) is meshed with the gear (33); The separation receiving mechanism (3) is provided with an annular concave part (38) formed from a central gas explosion channel (34) to an excessive part at the edge.
  5. 5. A flue gas desulfurization device according to claim 4, wherein the rotating mechanism comprises a negative pressure piston (321), a screw rod (322) connected to one side of the negative pressure piston (321), a ball sleeve is arranged on the screw rod (322), a rotating shaft sleeve (323) rotatably arranged at the outer end of the input pipe (32) is connected to the ball sleeve, and the rotating shaft sleeve (323) is fixed with the gear (33).
  6. 6. A flue gas desulfurization device according to claim 1, wherein the filter rod isolator (6) comprises a floating isolation shell (61), a front weakening mechanism (62) is arranged in the top cavity of the floating isolation shell (61), an adsorption assembly (63) is arranged in the lower cavity of the floating isolation shell (61), a purifying channel pipe (64) extending into the floating isolation shell (61) is arranged above the floating isolation shell (61) in a communicating manner, the purifying channel pipe (64) is positioned in the middle of the inner cavity of the front weakening mechanism (62) and the adsorption assembly (63), the adsorption assembly (63) moves up and down on the purifying channel pipe (64), and a separator (65) is elastically arranged in an independent cavity at the bottom of the floating isolation shell (61).
  7. 7. A flue gas desulfurization apparatus according to claim 6, further comprising an annular external passage (8) through which the gas flow introduced from the bottom end of the floating separator housing (61) passes, and is discharged from said purge passage pipe (64) after passing from the internal passage (7) to the adsorption module (63) after being treated in the pre-weakening mechanism (62).
  8. 8. The flue gas desulfurization device according to claim 6, wherein the pre-weakening mechanism (62) comprises a filter sleeve (621) attached to the inner wall of the floating isolation shell (61), inclined holes are formed in the filter sleeve (621), annular filter cloth (622) for blocking the inclined holes is arranged on the inner wall of the floating isolation shell (61), a filter layer (624) with the aperture smaller than that of the annular filter cloth (622) is arranged on the other inner wall of the inner cavity of the floating isolation shell (61), and a desulfurizing agent (623) is obliquely arranged on the filter layer (624) from top to bottom to the outer side.
  9. 9. The flue gas desulfurization device according to claim 6, wherein the adsorption assembly (63) comprises an isolation cover (631), a waist groove is formed in the isolation cover (631), a floating ring (632) is sleeved in the waist groove, an active carbon rod (633) is sleeved on the floating ring (632), an annular grid (634) for introducing air flow is formed in a top cavity of the isolation cover (631), and the diameter of the active carbon rod (633) is smaller than that of the isolation cover (631).
  10. 10. A flue gas desulfurization apparatus according to claim 6, wherein said separator (65) is connected to said shield (631) by a return spring (651), and said separator (65) is connected to said elastic screen support (4).

Description

Flue gas desulfurization device Technical Field The invention relates to the technical field of flue gas dry desulfurization, in particular to a flue gas desulfurization device. Background Flue gas desulfurization includes wet method, semi-dry method and dry method. Wet processes utilize a liquid absorbent (typically an alkaline solution or slurry) in an absorber column in sufficient contact with the flue gas containing SO 2 to absorb and remove SO 2 from the flue gas by physical dissolution and chemical reaction. Compared with wet desulfurization, dry desulfurization is more economical and practical, and no post-treatment is needed for sewage, but in the existing dry desulfurization, aiming at the way of filtering, cloth bag dust removal and adsorption filtration dust removal in the process of treating sulfur-containing dust in flue gas, the flue gas in the way has a single path channel, and the way has the following problems; The content of the flue gas is not constant, cleaning can not be carried out regularly, but the problem of filter plate blockage is judged by monitoring the difference between upstream flow and downstream flow, and the mode needs irregular maintenance; In addition, in the dust separation process, the filtering device has the problem of load, and the main reason is that even though the flue gas is filtered layer by layer, the load of a certain link exists, and at the moment, the machine is required to be stopped for maintenance, the maintenance difficulty is high, and the replacement cost is correspondingly increased. The inventors have aimed at the above-mentioned current situation to solve the above-mentioned technical problems. Disclosure of Invention In order to achieve the aim, the main technical scheme adopted by the invention comprises a flue gas desulfurization device, a dust separation device and a dust separation device, wherein the flue gas desulfurization device comprises a treatment chamber and an air flow pipeline for introducing flue gas into the treatment chamber, wherein the air flow pipeline is divided into a straight exhaust pipe and a branch exhaust pipe from an inlet end, a grid for separating dust is arranged at the intersection, and the branch exhaust pipe discharges gas from bottom to top; The separation and bearing mechanism is characterized in that the axle center of the separation and bearing mechanism is a gas explosion channel formed by a single-leaf hyperboloid, and the periphery of the top of the separation and bearing mechanism is provided with a discharge hole capable of opening and closing and a dust removing mechanism communicated with the inner cavity of the separation and bearing mechanism; the floating cleaning filter rod assembly is fixedly arranged in the processing chamber and comprises a multi-channel fixing seat and a plurality of filter rod isolators arranged on the multi-channel fixing seat; And the elastic filter screen supporting piece is used for isolating dust discharged by the in-line pipe and supporting and fixing the filter stick isolator. Further, electromagnetic valves are arranged below the grid and connected with the ends of the treatment chambers, and a pressurizing air pump is arranged in the middle section of the distributing pipe. Further, the dust removing mechanism comprises a powerful suction device and an input pipe which is arranged at an air inlet of the powerful suction device and penetrates through the processing chamber, a rotating mechanism driven by piston displacement is arranged in the input pipe, and one end of the rotating mechanism is provided with a gear. Further, the separation and bearing mechanism further comprises a sinking plate sleeve, a rotating plate is rotationally arranged in the sinking plate sleeve, a toothed ring is arranged at the bottom of the rotating plate, and the toothed ring is meshed with the gear; the separation receiving mechanism is provided with an annular concave part formed from a central gas explosion channel to an excessive part at the edge. Further, the rotating mechanism comprises a negative pressure piston, a screw rod connected to one side of the negative pressure piston, a ball sleeve is arranged on the screw rod, a rotating shaft sleeve arranged at the outer end of the input pipe in a rotating mode is connected to the ball sleeve, and the rotating shaft sleeve is fixed with the gear. Further, the filter rod isolator comprises a floating isolation shell, a front weakening mechanism is arranged in the top cavity of the floating isolation shell, an adsorption component is arranged in the lower cavity of the floating isolation shell, a purification channel pipe extending into the floating isolation shell is arranged above the floating isolation shell in a communicating mode, the purification channel pipe is located in the middle of an inner cavity of the front weakening mechanism and the adsorption component, the adsorption component moves up and down in the purification channel