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CN-121971928-A - Waste gas desulfurization and denitrification treatment device

CN121971928ACN 121971928 ACN121971928 ACN 121971928ACN-121971928-A

Abstract

The invention discloses a waste gas desulfurization and denitrification treatment device, which relates to the technical field of waste gas processing and comprises an equipment shell and a fixed grating plate, wherein the fixed grating plate is fixedly arranged on the inner wall of the equipment shell, the fixed grating plate is fixedly arranged on the inner wall of the fixed grating plate, a sealing cover is arranged on the top surface of the equipment shell, and through the linear reciprocating movement of a movable grating plate in a limiting chute, the extrusion ribs of adjacent grating plates are mutually close to each other and form V-shaped meshing gaps by utilizing the structural design that the extrusion grating plates and the fixed grating plates are staggered and are in diamond sections, so that the in-situ extrusion arch breaking and thorough crushing of stuck solid waste are realized, and meanwhile, the crushed waste slag is guided to slide down by gravity by utilizing a diamond-shaped flow guide surface which is obliquely arranged, so that the defects that the existing grating plates are in a flush section and lack of extrusion arch breaking capability, and the waste slag is extremely easy to be blocked in gaps to form bridge blocking, and the wind resistance of a system is rapidly and violently lifted and the continuous operation of downstream equipment is seriously influenced are overcome.

Inventors

  • JIANG ZHONGGUO
  • LI GUANGYING
  • SONG HAIMEI
  • HAO DONGSHENG
  • LI HAIZHOU
  • CHEN HONGLIANG

Assignees

  • 营口中润环境科技有限公司

Dates

Publication Date
20260505
Application Date
20260407

Claims (8)

  1. 1. The utility model provides an exhaust gas desulfurization and denitrification processing apparatus, includes equipment shell (1) and fixed grating board (101), fixed grating board (101) fixed mounting is at the inner wall of equipment shell (1), wherein fixed grating board (102) are fixed to the inner wall of fixed grating board (101), the top surface of equipment shell (1) is provided with sealed cowling (103), spacing spout (104) have been seted up to the inner wall of equipment shell (1), one side surface fixed mounting of equipment shell (1) has regulation guard plate (105), the inner wall of equipment shell (1) is provided with collecting vat (106), crushed aggregates discharge port (107) have been seted up on the bottom surface of equipment shell (1), movable component is installed to the inner wall of equipment shell (1), one side surface mounting of equipment shell (1) has actuating mechanism; The movable assembly comprises a movable grating plate (2), a sliding block (201) is arranged on the outer side surface of the movable grating plate (2), an extrusion grating strip (202) is arranged on the inner wall of the movable grating plate (2), an adjusting plate (203) is fixedly arranged on the outer side surface of the movable grating plate (2), a sliding block (201) is arranged on one side surface of the movable grating plate (2), an adjusting hole (204) is formed in the surface of the adjusting plate (203), and a linear reciprocating groove (205) is formed in one side surface of the equipment shell (1).
  2. 2. The flue gas desulfurization and denitrification treatment device according to claim 1, wherein the number of the fixed grid bars (102) is several, the fixed grid bars (102) are distributed on the inner wall of the fixed grid plate (101) at equal intervals in a linear array, the number of the limit sliding grooves (104) is four, every two limit sliding grooves (104) are distributed on one side and the other side of the inner wall of the equipment shell (1) respectively, and the number of the adjusting protection plates (105) is two, and the two adjusting protection plates are distributed on one side and the other side of the equipment shell (1) respectively.
  3. 3. The exhaust gas desulfurization and denitrification treatment device according to claim 1, wherein the extrusion grid strips (202) are a plurality of linear arrays and are equidistantly distributed on the inner wall of the movable grid plate (2), the two adjusting plates (203) are respectively distributed on one side and the other side surface of the movable grid plate (2), the number of the sliding blocks (201) is four, each two of the four sliding blocks (201) are respectively distributed on one side and the other side surface of the movable grid plate (2), the sliding blocks (201) are in one-to-one correspondence with the limiting sliding grooves (104), and the sliding blocks (201) are in sliding connection with the inner wall of the limiting sliding grooves (104).
  4. 4. The flue gas desulfurization and denitrification treatment device according to claim 1, wherein the number of the adjusting holes (204) is several, the number of the adjusting holes (204) is distributed on one side surface of two adjusting plates (203) in a linear array, the number of the linear reciprocating grooves (205) is two, the linear reciprocating grooves are respectively distributed on one side and the other side surface of the equipment shell (1), the outer side surfaces of the adjusting plates (203) are in sliding contact with the inner wall of the linear reciprocating grooves (205), the cross sections of the fixed grid bars (102) and the extruded grid bars (202) are in diamond structures, and the fixed grid bars (102) and the extruded grid bars (202) are staggered to form V-shaped engagement gaps between the adjacent fixed grid bars (102) and the extruded grid bars (202).
  5. 5. The exhaust gas desulfurization and denitrification treatment device according to claim 1, wherein the driving mechanism comprises a transmission assembly and a discharge-in and discharge assembly, the transmission assembly comprises a driving motor (3), the driving motor (3) is fixedly installed on one side surface of the equipment shell (1), a transmission shaft (301) is rotatably installed on the inner wall of the collecting tank (106), spiral conveying blades (302) are installed on the outer side surface of the transmission shaft (301), eccentric wheels (303) are fixedly installed at two ends of the transmission shaft (301), a push-pull rod (304) is installed on the outer side surface of the eccentric wheels (303), one end of the push-pull rod (304) is rotatably connected with a reciprocating rod (305), and an adjusting bolt (306) is rotatably connected with one side surface of the reciprocating rod (305).
  6. 6. The exhaust gas desulfurization and denitrification treatment device according to claim 5, wherein the output end of the driving motor (3) is fixedly connected with one end of a transmission shaft (301), one end of the transmission shaft (301) extends from the outer side surface of the equipment shell (1) to the inner wall of the transmission shaft, two eccentric wheels (303) are equidistantly distributed at one end and the other end of the transmission shaft (301), push-pull rods (304) are correspondingly distributed on the outer side surface of each eccentric wheel (303), and a reciprocating rod (305) is correspondingly distributed at the tail end of each push-pull rod (304).
  7. 7. The flue gas desulfurization and denitrification treatment device according to claim 5, wherein one side surface of each reciprocating rod (305) is correspondingly provided with an adjusting bolt (306), the adjusting bolts (306) are in threaded rotary connection with the inner wall of the adjusting hole (204), the two reciprocating rods (305) are in one-to-one correspondence with the two adjusting plates (203), and the outer side surface of each reciprocating rod (305) is in sliding contact with the inner wall of the linear reciprocating groove (205).
  8. 8. The exhaust gas desulfurization and denitrification treatment apparatus according to claim 5, wherein the exhaust gas inlet and outlet assembly comprises a bracket (4), the bracket (4) is fixedly installed on the bottom end surface of the equipment housing (1), the top end surface of the sealing cover (103) is provided with an exhaust inlet (401), and the bottom end surface of the equipment housing (1) is provided with a gas outlet (402).

Description

Waste gas desulfurization and denitrification treatment device Technical Field The invention relates to the technical field of waste gas processing, in particular to a waste gas desulfurization and denitrification treatment device. Background The waste gas desulfurization and denitrification technology is a core technology for controlling sulfur dioxide and nitrogen oxide emission in modern industrial environment protection, is widely applied to high energy consumption industries such as thermal power generation, steel smelting, chemical building materials and the like, and in a standard desulfurization and denitrification process flow, the original high-temperature flue gas emitted by an industrial kiln must go through a strict pretreatment link before entering a desulfurization tower or a denitrification reactor, because the original industrial waste gas not only contains harmful gases, but also is wrapped with a large amount of high-temperature solid suspended matters, unburned carbon particles, coagulated mud and hard slag. In the prior art, a fixed grid or an ash removal device with a scraping plate is adopted for pretreatment of the front end of the waste gas desulfurization and denitrification, the ash removal device is installed in a main flue, large particle waste residues in high-temperature waste gas are directly blocked by utilizing a fixed aperture, and the scraping plate is driven by an independent motor to clean up in a reciprocating manner, but because the existing grid strips are mostly flush in cross section and lack of extrusion arch breaking capability, when the existing grid strips face to sticky or hard scaling, waste residues are extremely easy to be blocked in gaps to form bypass blocking, so that the wind resistance of a system is rapidly increased and the continuous operation of downstream equipment is seriously influenced, and when the ash removal and slag removal are automatically carried out, the ash removal and bottom conveying mechanism usually depend on a plurality of independent power systems, the upper and lower actions are extremely easy to be disjointed to form secondary accumulation blocking, and the fixed interception gap cannot be flexibly adjusted according to the particle size of actual waste residues, so that the system is extremely poor in adaptability, structural redundancy and mechanical blocking paralysis is extremely easy to occur; In view of the above technical drawbacks, a solution is now proposed. Disclosure of Invention The invention aims to realize in-situ extrusion arch breaking and thorough crushing of stuck solid waste by utilizing the structure design that extrusion grid bars and fixed grid bars are staggered and are in diamond-shaped cross sections, and the extrusion ribs of adjacent grid bars are mutually close to form V-shaped meshing gaps, and meanwhile, the crushed waste slag is guided to automatically slide down by gravity by utilizing the inclined diamond-shaped flow guide surface, so that the defects that the existing grid bars are mostly flush in cross section and lack of extrusion arch breaking capability, and when the existing grid bars are in viscous or hard scale, waste slag is extremely easy to be blocked in the gaps to form 'bridging' blocking, thereby causing sudden rising of system windage and seriously affecting continuous operation of downstream equipment are overcome. In order to achieve the aim, the invention adopts the following technical scheme that the waste gas desulfurization and denitrification treatment device comprises an equipment shell and a fixed grating plate, wherein the fixed grating plate is fixedly arranged on the inner wall of the equipment shell, the fixed grating plate is fixedly arranged on the inner wall of the fixed grating plate, a sealing cover is arranged on the top end surface of the equipment shell, a limiting chute is arranged on the inner wall of the equipment shell, an adjusting protection plate is fixedly arranged on one side surface of the equipment shell, a collecting groove is arranged on the inner wall of the equipment shell, a crushed aggregates discharge port is arranged on the bottom end surface of the equipment shell, a movable component is arranged on the inner wall of the equipment shell, and a driving mechanism is arranged on one side surface of the equipment shell; the movable assembly comprises a movable grating plate, a sliding block is arranged on the outer side surface of the movable grating plate, an extrusion grating strip is arranged on the inner wall of the movable grating plate, an adjusting plate is fixedly arranged on the outer side surface of the movable grating plate, a sliding block is arranged on one side surface of the movable grating plate, an adjusting hole is formed in the surface of the adjusting plate, and a linear reciprocating groove is formed in one side surface of the equipment shell. Further, the fixed grating strips are in a plurality, the fixed grating strips ar