Flue gas treatment equipment

Abstract

The invention relates to flue gas treatment equipment. The flue gas treatment equipment comprises a frame assembly, a spraying assembly, a heating assembly and an adsorption assembly, the spraying assembly is provided with a spraying cavity and a spraying mechanism, the spraying cavity is provided with a smoke inlet channel and a smoke outlet of a gradual shrinking structure, and the spraying mechanism is provided with a spraying pipe and a spraying baffle; the heating assembly is provided with a secondary heating cavity and a heat-conducting oil storage pipe, the heat-conducting oil storage pipe is connected to the secondary heating cavity through a floating connecting mechanism, the outer wall and the inner wall of the heat-conducting oil storage pipe are hermetically connected, the heat-conducting oil storage pipe is filled with a heat-conducting medium, the surface is provided with heat-conducting fins, and the heat-conducting oil storage pipe is further provided with a heating mechanism and an excitation mechanism; the adsorption assembly is provided with an electrostatic adsorption cavity, an adsorption fin mechanism and an axial flow airflow mechanism are arranged in the electrostatic adsorption cavity, and the axial flow airflow mechanism comprises an exhaust pipe and an axial flow fan and is connected with the smoke exhaust end of the flue.

Description

Technical Field

[0001] The invention relates to a flue gas treatment device, belonging to the field of boiler auxiliary equipment in power plants. Background Art

[0002] The internal composition of the combustion end of the garbage incinerator is relatively complex, and the combustion produces a large amount of metal ion evaporants and evaporants of strong oxidizing components. Direct discharge will cause temperature drop in the rear-end pipeline and corrode the pipeline. If the flue gas temperature throughout the process is to be maintained, more coal-saving mechanisms need to be set up, which not only easily causes additional waste of energy, but also has high costs. The rear purification equipment of the existing pulverized coal fluidized furnace cannot meet the exhaust purification needs of the garbage incinerator, so it is necessary to design an additional set of rear-end flue gas treatment equipment to adsorb the corresponding evaporants. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the technical problems in the prior art and provide a flue gas treatment device.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A flue gas treatment device, comprising:

[0006] Frame assembly;

[0007] The spray assembly includes a spray chamber fixed to the top of the frame assembly, a smoke inlet channel is arranged at the top of the spray chamber, the smoke inlet channel is connected to the smoke duct, a smoke exhaust port is arranged at the bottom of the spray chamber, and the smoke exhaust port is a tapered structure; the spray assembly also includes a spray mechanism arranged in the spray chamber, the spray mechanism includes a spray pipe, a spray hole is arranged on the surface of the spray pipe, and a spray baffle is arranged above the spray pipe;

[0008] The heating assembly includes a secondary heating chamber fixed to the middle of the frame assembly, the top of the secondary heating chamber is connected to the smoke exhaust port, the heating assembly also includes a heat transfer oil storage pipe, the heat transfer oil storage pipe is connected to the secondary heating chamber through a floating connection mechanism arranged in the frame assembly, floating seals are arranged on both ends of the heat transfer oil storage pipe, the outer wall of the heat transfer oil storage pipe is sealed and connected to the inner wall of the secondary heating chamber through the floating seal, the interior of the heat transfer oil storage pipe is a hollow structure and filled with heat transfer medium, heat transfer fins are arranged on the surface of the heat transfer oil storage pipe, a heat transfer oil storage pipe heating mechanism is arranged in the frame assembly, and a heat transfer oil storage pipe excitation mechanism is also arranged on one end of the heat transfer oil storage pipe;

[0009] The adsorption assembly includes an electrostatic adsorption chamber, the upper part of the electrostatic adsorption chamber is connected to the tail of the secondary heating chamber, an adsorption fin mechanism is arranged in the electrostatic adsorption chamber, the adsorption fin mechanism is connected to the frame assembly through a connecting frame, the adsorption fin mechanism includes an anode fin and a discharge electrode, the anode fin extends into the electrostatic adsorption chamber, and the discharge electrode is located at the bottom of the suction chamber; an axial flow airflow mechanism is also arranged on the side wall of the electrostatic adsorption chamber, the axis of the axial flow airflow mechanism is perpendicular to the axis of the electrostatic adsorption chamber, the axial flow airflow mechanism includes an exhaust duct and an axial flow fan with a driving direction toward the exhaust duct, and the exhaust duct is connected to the smoke exhaust end of the flue.

[0010] As a further improvement of the present invention, a left floating cavity and a right floating cavity are respectively arranged at the position of the frame assembly corresponding to the heating assembly; wherein, a heating mechanism support cylinder is connected to one end of the left floating cavity, an eddy current coil is arranged in the heating mechanism support cylinder, and the end of the heat transfer oil storage tube is embedded in the eddy current coil.

[0011] As a further improvement of the present invention, an excitation support ring is fixed at one end of the right floating cavity, and an excitation motor fixing cylinder is elastically connected to the inner wall of the excitation support ring through an array-arranged buffer spring, the excitation motor is fixed in the excitation motor fixing cylinder, and the excitation motor fixing cylinder is fixedly connected to the heat transfer oil storage pipe through an adapter sleeve.

[0012] As a further improvement of the present invention, the floating connection mechanism includes two groups of floating connectors arranged radially symmetrically, and the two groups of floating connectors are respectively arranged at the ends of the left floating cavity and the right floating cavity; the floating connector includes a front floating part and a rear sealing part; a sealing protrusion ring is arranged at the front end of the left floating cavity and the right floating cavity, wherein the front floating part includes a radial floating groove arranged on the outer surface of the sealing protrusion ring, a sealing pressure ring is fixed on the end surface of the sealing protrusion ring, a floating gap is formed between the sealing pressure ring and the bottom of the radial floating groove, and a diameter smaller than the diameter is arranged in the floating gap. A front end floating reed toward the floating groove; wherein, the rear end floating part includes a rear end floating reed, the outer ring of the rear end floating reed is provided with a pushing pressure ring, the outer ring of the rear floating reed is pressed to the inner surface of the sealing protrusion ring under the push of the pushing pressure ring, and a pushing spring is provided between the pushing pressure ring and the ends of the left floating cavity and the right floating cavity; wherein, the front end floating reed and the rear end floating reed are both curved surface structures protruding toward the ends of the left floating cavity and the right floating cavity; a supporting sleeve is fixed through the middle of the front end floating reed and the rear end floating reed, and the heat transfer oil storage pipe is fixed to the inner wall of the supporting sleeve.

[0013] As a further improvement of the present invention, a heat-insulating sleeve with a hollow structure is fixed to the inner wall of the support sleeve, and the inner wall of the heat-insulating sleeve is fixed to the surface of the heat-conducting oil storage pipe.

[0014] As a further improvement of the present invention, a plurality of transverse support ribs penetrating the heat-conducting fins are arranged in an array on the outside of the heat-conducting oil storage tube. The transverse support ribs include main transverse support ribs and secondary transverse support ribs. The length of the secondary transverse support ribs is smaller than the width of the secondary heating chamber. The two ends of the main transverse support ribs are embedded in the front floating spring through end fixing sleeves.

[0015] As a further improvement of the present invention, a left end sealing flange and a right end sealing flange are respectively fixed to the rear ends of the left floating chamber and the right floating chamber, and at least two groups of coolant connecting valves for circulating coolant in and out are arranged on the left end sealing flange and the right end sealing flange, and coolant is circulated and perfused in the left floating chamber and the right floating chamber through the coolant connecting valve.

[0016] As a further improvement of the present invention, a plurality of flow guide openings are arranged on the top of the anode fin, and a plurality of conductive protrusions which are integrally structured with the anode fins are arranged in a ring array inside the flow guide openings.

[0017] As a further improvement of the present invention, a floating support assembly is arranged below the adsorption assembly, the floating support assembly includes a dust collecting chamber connected to the bottom of the electrostatic adsorption chamber, a floating support mechanism is arranged at a position of the frame assembly corresponding to the dust collecting chamber, the floating support mechanism includes two floating support chambers symmetrically arranged on both sides of the dust collecting chamber, a support frame is arranged through the floating support chamber, the support frame includes a plurality of floating support columns, a discharge support plate and an adsorption support plate are sequentially connected to the floating support mechanism through the floating support columns, wherein a spring pre-tightening bolt is fixed on the floating support column, and the discharge support plate is fixed by two sets of clamping bolts fixed on the floating support column and locked; a top support spring is arranged between the top of the floating support chamber and the discharge support plate, and a bottom support spring is arranged between the discharge support plate and the spring pre-tightening bolt; wherein the discharge electrode array is fixed on the discharge support plate, the anode fin array is fixed on the adsorption support plate, and the discharge support plate array is provided with a plurality of floating holes for the anode fins to pass through.

[0018] As a further improvement of the present invention, a plurality of support columns are fixed above the spray pipe, and the spray baffle is fixed to the top of the spray pipe through the support columns.

[0019] The beneficial effects of the present invention are:

[0020] This scheme designs a set of flue gas treatment equipment located at the rear end of the boiler flue gas pipeline. Because the dew point temperature of metal ions in the flue gas is relatively high, the rear-end treatment equipment reheats the flue gas to make the metal ions evaporate again and combine with the sprayed adsorption liquid to make the metal ions combine into salts with a higher evaporation temperature. The granular salt can be adsorbed and collected by the electrode adsorption mechanism and the vibration mechanism, and finally the metal ion evaporation in the flue gas is eliminated. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Figure 1 It is a schematic diagram of the structure of the present invention;

[0023] Figure 2 is a schematic diagram of the structure of the anode fin;

[0024] Figure 3 yes Figure 1 A partial enlarged view of point A in the middle.

[0025] In the figure: 1. frame assembly; 2. smoke inlet channel; 3. spray pipe; 4. spray baffle; 5. support column; 6. tapered pipe; 7. secondary heating chamber; 8. heat transfer oil storage tube; 9. heat transfer sleeve; 10. heat transfer fin; 11. secondary transverse support rib; 12. main transverse support rib; 13. insulation sleeve; 14. end fixing sleeve; 15. radial floating groove; 16. front floating spring; 17. sealing pressure ring; 18. rear floating spring; 19. push pressure ring; 20. push spring; 21. inner sealing sleeve; 22. support sleeve; 23. heating mechanism support cylinder; 24. insulating support block; 25. left terminal block; 26. wire; 27. eddy current coil; 28. left end sealing flange; 29. ​​coolant connecting valve; 30. left floating chamber; 31. right floating chamber; 32. right end sealing flange; 33. excitation support ring; 34. Excitation floating cavity; 35. Axial floating block; 36. Axial floating groove; 37. Elastic force adjustment block; 38. Excitation motor; 39. Excitation motor fixing tube; 40. Adapter sleeve; 41. Buffer spring; 42. Right terminal socket; 43. Anode support rod; 44. Electrostatic adsorption cavity; 45. Air inlet pipe; 46. Impeller bracket; 47. Axial flow impeller; 48. Axial flow motor; 49. Exhaust pipe; 50. Anode fin; 51. Discharge electrode; 52. Conductive protrusion; 53. Adsorption support plate; 54. Floating hole; 55. Floating support column; 56. Spring pre-tightening bolt; 57. Top support spring; 58. Spring washer; 59. Bottom support spring; 60. Discharge support plate; 61. Clamping bolt; 62. Discharge frame; 63. Synchronous support rod; 64. Bottom baffle; 65. Flange bolt; 66. Bottom exhaust port; 67. Bottom filter plate. DETAILED DESCRIPTION

[0026] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0027] like Figure 1As shown, the present invention is a flue gas treatment device, the main body of which is a frame assembly 1, the frame assembly 1 as a whole is a cylindrical structure with a hollow inner wall, and a flue structure is arranged in the middle;

[0028] A spray assembly is arranged on the top of the frame assembly 1, and the spray assembly includes a smoke inlet channel 2 arranged on the top of the flue structure, and the bottom of the smoke inlet channel 2 is a tapered tube 6. The spray assembly also includes a spray pipe 3 that penetrates the smoke inlet channel 2 and is perpendicular to the axis of the smoke inlet channel 2. A V-shaped spray baffle 4 is fixed to the spray pipe 3 through a plurality of support columns 5, and the V-shaped opening of the spray baffle 4 faces the bottom of the smoke inlet channel 2. The spray pipe 3 sprays sodium hydroxide liquid into the smoke inlet channel 2 through a jet pump; the smoke of sodium hydroxide can contact the sulfide in the flue to produce solid sodium sulfate salt.

[0029] A heating assembly is arranged below the spray assembly. The heating assembly is located below the spray assembly. The heating assembly includes a secondary heating chamber 7 fixed to the middle of the frame assembly 1. The top of the secondary heating chamber 7 is connected to a tapered tube 6. A left floating chamber 30 and a right floating chamber 31 are respectively arranged on the inner wall of the frame assembly 1 at the position of the secondary heating chamber 7. The heating assembly also includes a heat transfer oil storage pipe 8. Both ends of the heat transfer oil storage pipe 8 extend into the left floating chamber 30 and the right floating chamber 31 and are sealed and floatedly connected to the frame assembly 1 through a floating connector.

[0030] The floating connector includes a front-end floating part and a rear-end sealing part; a sealing protrusion ring is arranged at the front end of the left floating cavity 30 and the right floating cavity 31, wherein the front-end floating part includes a radial floating groove 15 arranged on the outer surface of the sealing protrusion ring, and a sealing pressure ring 17 is fixed on the end face of the sealing protrusion ring, and a floating gap is formed between the sealing pressure ring 17 and the bottom of the radial floating groove 15, and a front-end floating spring 16 with a diameter smaller than the radial floating groove 15 is arranged in the floating gap; wherein the rear-end floating part includes a rear-end floating spring 18, and the outer ring of the rear-end floating spring 18 is arranged with a pushing pressure ring 19, and the outer ring of the rear floating spring is pressed to a seal under the push of the pushing pressure ring 19. On the inner surface of the sealing raised circle, a push spring 20 is arranged between the push pressure ring 19 and the ends of the left floating cavity 30 and the right floating cavity 31; wherein, the front end floating spring 16 and the rear end floating spring 18 are curved structures protruding toward the ends of the left floating cavity 30 and the right floating cavity 31; a support sleeve 22 is fixedly passed through the middle of the front end floating spring 16 and the rear end floating spring 18, an inner sealing sleeve 21 is arranged on the inner wall of the support sleeve 22, and a heat insulation sleeve 13 with a hollow structure is fixed on the inner wall of the inner sealing sleeve 21, and the support sleeve 22, the inner sealing sleeve 21 and the heat insulation sleeve 13 are fixed to each other by interference fit, and the inner wall of the heat insulation sleeve 13 is fixed to the surface of the heat transfer oil storage pipe 8.

[0031] Among them, there is a heat-conducting sleeve 9 with an interference fit on the heating tube, and a plurality of annular heat-conducting fins 10 are welded and fixed in an array on the heat-conducting sleeve 9. The heat-conducting fins 10 are supported and fixed by a plurality of secondary transverse supporting ribs 11. Main transverse supporting ribs 12 that penetrate each heat-conducting fin 10 are also arranged in a circular array between the heat-conducting fins 10; the two ends of the main transverse supporting ribs 12 are embedded in the front floating spring 16 through the end fixing sleeves 14.

[0032] Among them, a left end sealing flange 28 is fixed on the outer side surface of the left floating cavity 30, and a heating mechanism support tube 23 is vertically fixed on the left end sealing flange 28. The heating mechanism support tube 23 extends toward the left floating cavity 30, and an eddy current coil 27 is fixed in the heating mechanism support tube 23 through an insulating support block 24. A heating area is set in the middle of the eddy current coil 27, and one end of the thermal oil storage tube 8 is fixed in the heating area. A left terminal block 25 is also fixed on the left end sealing flange 28. The left terminal block 25 is connected to the eddy current coil 27 through a wire 26. The thermal oil storage tube 8 is heated by the eddy current coil 27, and the thermal oil in the thermal oil storage tube 8 is used to heat the thermal oil storage tube 8 as a whole, thereby heating and evaporating the sodium sulfide solution of Wutai, so that solid salt is precipitated.

[0033] Among them, a right end sealing flange 32 is fixed on the outer side surface of the right floating cavity 31, an excitation support ring 33 is vertically fixed on the right end sealing flange 32, an excitation floating cavity 34 is arranged in the excitation support, a plurality of spring holes are arranged in a circular array on the inner wall of the excitation support ring 33, an elastic force adjustment block 37 is threadedly connected to the bottom of the spring hole, a buffer spring 41 is supported and fixed in the spring hole through the elastic force adjustment block 37, and an axial floating block 35 is fixed at the front end of the buffer spring 41; an excitation motor fixing cylinder 39 is coaxially arranged in the excitation floating cavity 34, and an excitation motor fixing cylinder 39 is arranged outside the excitation motor fixing cylinder 39. The wall annular array is provided with a plurality of axial floating grooves 36, and the axial floating block 35 is slidably connected to the axial floating groove 36. The vibration motor 38 is fixed in the vibration motor fixing tube 39. An adapter sleeve 40 is fixed to the end of the vibration motor fixing tube 39. The adapter sleeve 40 fixes the end of the heat transfer oil storage pipe 8 through a heat insulation sleeve 13. A right terminal block 42 is also fixed to the right end sealing flange 32. The right terminal block 42 is connected to the vibration motor 38 through a wire 26. The whole thermal fin 10 is vibrated by the drive of the vibration motor 38, so that the sodium sulfate attached to the surface of the thermal fin 10 falls off the surface of the thermal fin 10.

[0034] Among them, at least two groups of coolant connecting valves 29 for circulating coolant in and out are arranged on the left end sealing flange 28 and the right end sealing flange 32, and coolant is circulated and perfused in the left floating chamber 30 and the right floating chamber 31 through the coolant connecting valves 29.

[0035] An adsorption assembly is arranged below the heating assembly, and the adsorption assembly includes an electrostatic adsorption chamber 44, the upper part of the electrostatic adsorption chamber 44 is connected to the tail of the secondary heating chamber 7, an adsorption fin mechanism is arranged in the electrostatic adsorption chamber 44, and the adsorption fin mechanism is connected to the frame assembly 1 through a connecting frame, and the adsorption fin mechanism includes an anode fin 50 and a discharge electrode 51, the anode fin 50 extends into the electrostatic adsorption chamber 44, and the discharge electrode 51 is located at the bottom of the suction chamber, and a plurality of guide openings are arranged on the top of the anode fin 50, and a plurality of conductive protrusions 52 with an integral structure with the anode fin 50 are arranged in a ring array in the guide opening; the anode fins 50 are supported on the top by an anode support rod 43 fixed to the top of each anode fin 50. The electrostatic adsorption chamber 44 is supported and fixed; an axial flow airflow mechanism is also provided on the side wall of the electrostatic adsorption chamber 44, the axis of the axial flow airflow mechanism is perpendicular to the axis of the electrostatic adsorption chamber 44, the axial flow airflow mechanism includes an exhaust pipe 49 and an axial flow fan with a driving direction toward the exhaust pipe 49, the axial flow fan includes an air inlet pipe 45 fixed at one end of the electrostatic adsorption chamber 44, a spiral axial flow impeller 47 is connected to the air inlet pipe 45 through an impeller bracket 46 with a hollow structure, an axial flow motor 48 is connected to the end of the air inlet pipe 45 through a supporting foot, and the axial flow impeller 47 is driven by the axial flow motor 48; the separated sulfate particles are adsorbed to the surface of the anode fin 50 through the electrostatic field, and the evaporated water vapor and flue gas are discharged through the exhaust pipe 49 driven by the axial flow fan.

[0036] A floating support assembly is arranged below the adsorption assembly, and the floating support assembly includes a dust collecting chamber connected to the bottom of the electrostatic adsorption chamber 44. A floating support mechanism is arranged at a position of the frame assembly 1 corresponding to the dust collecting chamber, and the floating support mechanism includes two floating support chambers symmetrically arranged on both sides of the dust collecting chamber. A support frame is arranged through the floating support chamber, and the support frame includes a plurality of floating support columns 55. A discharge support plate 60 and an adsorption support plate 53 are sequentially connected to the floating support mechanism through the floating support columns 55, wherein a spring pre-tightening bolt 56 is fixed on the floating support column 55, and the discharge support plate 60 is connected to the adsorption support plate 53 through the floating support column 55. Two sets of locking clamping bolts 61 fixed on the floating support column 55 are used for fixing; a top support spring 57 is arranged between the top of the floating support cavity and the discharge support plate 60, an insulating spring washer 58 is arranged between the top support spring 57 and the top of the floating support cavity, and a bottom support spring 59 is arranged between the discharge support plate 60 and the spring pre-tightening bolt 56; wherein, the discharge electrode 51 array is fixed on the discharge support plate 60, the anode fin 50 array is fixed on the adsorption support plate 53, and a plurality of floating holes 54 for the anode fins 50 to pass through are arranged in an array in the discharge support plate 60.

[0037] A discharge frame 62 is fixed on the inner circle of the discharge support plate 60 , and the discharge electrodes 51 are fixed in an array on the discharge frame 62 . The discharge electrodes 51 are supported and fixed to each other through synchronous support rods 63 .

[0038] Among them, an additional set of excitation mechanisms is provided on the adsorption support plate 53. When the axial flow fan is turned off or at a low speed, the anode fin 50 can be vibrated by the excitation mechanism, so that the sodium sulfate particles attached to the surface of the anode fin 50 are separated and deposited to the bottom of the dust collecting chamber of the floating support assembly.

[0039] Among them, a bottom exhaust port 66 is arranged at the bottom of the dust collecting chamber, a bottom baffle 64 is fixed at the bottom exhaust port by a flange bolt 65, a bottom filter plate 67 with a porous structure is arranged in the middle of the bottom baffle 64, and the sodium sulfate particles are finally deposited on the surface of the bottom filter plate 67, which can be cleaned by regularly disassembling the bottom filter plate 67.

[0040] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A flue gas treatment device, characterized in that: include: Frame assembly (1); A spray assembly, the spray assembly comprising a spray chamber fixed to the top of a frame assembly (1), a smoke inlet channel (2) being arranged at the top of the spray chamber, the smoke inlet channel (2) being connected to the smoke duct, a smoke exhaust port being arranged at the bottom of the spray chamber, the smoke exhaust port being a tapered structure; the spray assembly also comprising a spray mechanism arranged in the spray chamber, the spray mechanism comprising a spray pipe (3), a spray hole being arranged on the surface of the spray pipe (3), and a spray baffle (4) being arranged above the spray pipe (3); A heating assembly, the heating assembly comprising a secondary heating chamber (7) fixed to the middle of a frame assembly (1), the top of the secondary heating chamber (7) being connected to a smoke exhaust port, the heating assembly further comprising a heat transfer oil storage pipe (8), the heat transfer oil storage pipe (8) being connected to the secondary heating chamber (7) via a floating connection mechanism arranged in the frame assembly (1), floating seals being arranged at both ends of the heat transfer oil storage pipe (8), the outer wall of the heat transfer oil storage pipe (8) being sealedly connected to the inner wall of the secondary heating chamber (7) via the floating seals, the interior of the heat transfer oil storage pipe (8) being a hollow structure and filled with a heat transfer medium, heat transfer fins (10) being arranged on the surface of the heat transfer oil storage pipe (8), a heat transfer oil storage pipe (8) heating mechanism being arranged in the frame assembly (1), and a heat transfer oil storage pipe (8) excitation mechanism being arranged at one end of the heat transfer oil storage pipe (8); The adsorption assembly comprises an electrostatic adsorption chamber (44), the upper part of the electrostatic adsorption chamber (44) is connected to the rear part of the secondary heating chamber (7), an adsorption fin mechanism is arranged in the electrostatic adsorption chamber (44), the adsorption fin mechanism is connected to the frame assembly (1) through a connecting frame, the adsorption fin mechanism comprises an anode fin (50) and a discharge electrode (51), the anode fin (50) extends into the electrostatic adsorption chamber (44), and the discharge electrode (51) is located at the bottom of the suction chamber; an axial flow airflow mechanism is also arranged on the side wall of the electrostatic adsorption chamber (44), the axis of the axial flow airflow mechanism is perpendicular to the axis of the electrostatic adsorption chamber (44), the axial flow airflow mechanism comprises an exhaust pipe (49) and an axial flow fan with a driving direction toward the exhaust pipe (49), and the exhaust pipe (49) is connected to the smoke exhaust end of the flue.

2. A flue gas treatment device according to claim 1, characterized in that: A left floating chamber (30) and a right floating chamber (31) are respectively arranged at positions of the frame assembly (1) corresponding to the heating assembly; wherein one end of the left floating chamber (30) is connected to a heating mechanism support cylinder (23), an eddy current coil (27) is arranged in the heating mechanism support cylinder (23), and an end of a heat transfer oil storage tube (8) is embedded in the eddy current coil (27).

3. A flue gas treatment device according to claim 2, characterized in that: An excitation support ring (33) is fixed to one end of the right floating chamber (31), and an excitation motor fixing cylinder (39) is elastically connected to the inner wall of the excitation support ring (33) through an array of buffer springs (41), and an excitation motor (38) is fixed in the excitation motor fixing cylinder (39). The excitation motor fixing cylinder (39) is fixedly connected to the heat transfer oil storage pipe (8) through an adapter sleeve (40).

4. A flue gas treatment device according to claim 2, characterized in that: The floating connection mechanism comprises two groups of floating connectors arranged radially symmetrically, and the two groups of floating connectors are respectively arranged at the ends of the left floating cavity (30) and the right floating cavity (31); the floating connector comprises a front floating portion and a rear sealing portion; a sealing protrusion ring is arranged at the front ends of the left floating cavity (30) and the right floating cavity (31), wherein the front floating portion comprises a radial floating groove (15) arranged on the outer surface of the sealing protrusion ring, and a sealing pressure ring (17) is fixed on the end surface of the sealing protrusion ring, and a floating gap is formed between the sealing pressure ring (17) and the bottom of the radial floating groove (15), and a front floating spring (16) with a diameter smaller than that of the radial floating groove (15) is arranged in the floating gap; wherein the rear end The floating part comprises a rear floating spring (18), the outer ring of the rear floating spring (18) is provided with a pushing ring, the outer ring of the rear floating spring is pressed against the inner surface of the sealing protrusion ring under the push of the pushing ring (19), and a pushing spring (20) is provided between the pushing ring (19) and the ends of the left floating cavity (30) and the right floating cavity (31); wherein the front floating spring (16) and the rear floating spring (18) are both curved structures protruding toward the ends of the left floating cavity (30) and the right floating cavity (31); a supporting sleeve (22) is fixedly passed through the middle of the front floating spring (16) and the rear floating spring (18), and the heat transfer oil storage pipe (8) is fixed to the inner wall of the supporting sleeve (22).

5. A flue gas treatment device according to claim 4, characterized in that: A heat insulating sleeve (13) with a hollow structure is fixed on the inner wall of the support sleeve (22), and the inner wall of the heat insulating sleeve (13) is fixed to the surface of the heat transfer oil storage pipe (8).

6. A flue gas treatment device according to claim 4, characterized in that: A plurality of transverse support ribs penetrating the heat transfer fins (10) are arranged in an array outside the heat transfer oil storage tube (8), the transverse support ribs comprising a main transverse support rib (12) and a secondary transverse support rib (11), the length of the secondary transverse support rib (11) being smaller than the width of the secondary heating chamber (7), and the two ends of the main transverse support rib (12) being embedded in the front floating spring sheet (16) through an end fixing sleeve (14).

7. A flue gas treatment device according to claim 4, characterized in that: A left end sealing flange (28) and a right end sealing flange (32) are fixed to the rear ends of the left floating chamber (30) and the right end sealing flange (32), respectively. At least two groups of coolant connecting valves (29) for circulating coolant in and out are arranged on the left end sealing flange (28) and the right end sealing flange (32). Coolant is circulated and perfused in the left floating chamber (30) and the right floating chamber (31) through the coolant connecting valves (29).

8. The flue gas treatment device according to claim 1, characterized in that: A plurality of flow guide openings are arranged at the top of the anode fin (50), and a plurality of conductive protrusions (52) having an integral structure with the anode fin (50) are arranged in a ring array inside the flow guide openings.

9. A flue gas treatment device as claimed in claim 1, characterized in that: A floating support assembly is arranged below the adsorption assembly, the floating support assembly includes a dust collecting chamber connected to the bottom of the electrostatic adsorption chamber (44), a floating support mechanism is arranged at a position of the frame assembly (1) corresponding to the dust collecting chamber, the floating support mechanism includes two floating support chambers symmetrically arranged on both sides of the dust collecting chamber, a support frame is arranged through the floating support chamber, the support frame includes a plurality of floating support columns (55), a discharge support plate (60) and an adsorption support plate (53) are sequentially connected to the floating support mechanism through the floating support columns (55), wherein a spring pre-tightening bolt (56) is fixed on the floating support column (55), and a spring pre-tightening bolt (56) is arranged on the floating support column (55). The discharge support plate (60) is fixed by two sets of clamping bolts (61) fixed on the floating support column (55) for locking; a top support spring (57) is arranged between the top of the floating support cavity and the discharge support plate (60); a bottom support spring (59) is arranged between the discharge support plate (60) and the spring pre-tightening bolt (56); wherein the discharge electrode (51) array is fixed on the discharge support plate (60), the anode fin (50) array is fixed on the adsorption support plate (53), and a plurality of floating holes (54) for the anode fins (50) to pass through are arranged in an array in the discharge support plate (60).

10. A flue gas treatment device as claimed in claim 1, characterized in that: A plurality of support columns (5) are fixed above the spray pipe (3), and the spray baffle (4) is fixed to the top of the spray pipe (3) through the support columns (5).

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