CN113797718A - Vapour electricity double-drive draught fan flue arranges stabilizing mean - Google Patents
Vapour electricity double-drive draught fan flue arranges stabilizing mean Download PDFInfo
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- CN113797718A CN113797718A CN202111049921.3A CN202111049921A CN113797718A CN 113797718 A CN113797718 A CN 113797718A CN 202111049921 A CN202111049921 A CN 202111049921A CN 113797718 A CN113797718 A CN 113797718A
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- flue
- pipe
- induced draft
- draft fan
- fixed
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- 230000000087 stabilizing effect Effects 0.000 title claims abstract description 24
- 230000005611 electricity Effects 0.000 title description 2
- 239000007921 spray Substances 0.000 claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000428 dust Substances 0.000 claims abstract description 19
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 239000004677 Nylon Substances 0.000 claims description 9
- 229920001778 nylon Polymers 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 230000008719 thickening Effects 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 15
- 239000003546 flue gas Substances 0.000 abstract description 15
- 239000012535 impurity Substances 0.000 abstract description 8
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
Abstract
The invention discloses a flue arrangement stabilizing mechanism of a steam-electricity double-drive induced draft fan, which comprises an induced draft fan, a dust remover outlet and an absorption tower inlet, wherein the dust remover outlet is connected with the inlet of the induced draft fan, the outlet of the induced draft fan is connected with a flue, the outlet of the flue is connected with the absorption tower inlet, a first fixing plate and a second fixing plate are fixedly arranged on the ground, and the bottom of the flue is also fixedly provided with a drainage base. According to the invention, most stress generated during vibration buffering is absorbed by the buffer spring, so that the influence caused by vibration during the working period of the flue is reduced, and the stability of equipment operation and placement is ensured; when vibrating, relative motion takes place for shower and fixed pipe, and the fixed column changes the inner chamber pressure of shower, accomplishes the water injection of shower and sprays, reduces dust and impurity in the flue gas, is favorable to further entering absorption tower to carry out SOx/NOx control work, has improved work efficiency, has reduced the influence of flue gas to the flue.
Description
Technical Field
The invention relates to the technical field of thermal power generation, in particular to a flue arrangement stabilizing mechanism of a steam-electricity double-drive induced draft fan.
Background
The draught fan rotates through the impeller and produces the negative pressure, and then follow the equipment of system or equipment extraction air, generally installs at the boiler tail end for extract the hot flue gas in the furnace, most thermal power plants have all been equipped with draught fan and flue system at present and have removed dust, SOx/NOx control until finally discharging to the flue gas that the boiler produced.
But the work of traditional thermal power plant's flue has certain limitation, remove dust through the dust remover to the flue gas and handle, then introduce the absorption tower with the flue gas through the draught fan, but the dust remover is difficult to thoroughly remove dust to the flue gas, still have a large amount of impurity in the flue gas, rub with the flue in the flue, cause the flue damage very easily, influence flue system's work, and the absorption tower carries out SOx/NOx control during operation in addition, need wet gas in advance, traditional flue system does not have spray system, and do not have corresponding drainage system.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a flue arrangement stabilizing mechanism of a steam-electricity double-drive induced draft fan.
In order to achieve the purpose, the invention adopts the following technical scheme:
a flue arrangement stabilizing mechanism of a steam-electricity dual-drive induced draft fan comprises the induced draft fan, a dust remover outlet and an absorption tower inlet, wherein the dust remover outlet is connected with the inlet of the induced draft fan, the outlet of the induced draft fan is connected with a flue, the outlet of the flue is connected with the absorption tower inlet, a first fixing plate and a second fixing plate are fixedly installed on the ground, and a drainage base is fixedly installed at the bottom of the flue;
the inner side of the first fixing plate is movably sleeved with a spray pipe, a water storage tank is fixedly mounted in an inner cavity of the first fixing plate, one end of the spray pipe is communicated with the inner cavity of the water storage tank through a hose, and the other end of the spray pipe penetrates through the flue.
Preferably, the contact position of the spray pipe and the flue keeps good air tightness and sliding performance, a damping fixed block is fixedly installed on the outer side wall of the flue, and a buffer spring is fixedly installed between the damping fixed block and the first fixed plate and between the damping fixed block and the second fixed plate.
Preferably, a fixed pipe is fixedly mounted on one side, facing the spray pipe, of the second fixed plate, a fixed column is fixedly mounted on the inner side of the fixed pipe, the fixed column is movably sleeved with the inner side of the spray pipe, the outer diameter of the fixed column is matched with the inner diameter of the spray pipe, a fixed swing arm is fixedly mounted on the outer side wall of the spray pipe, a stretching pipe is mounted at one end, far away from the spray pipe, of the fixed swing arm through a fixed shaft, a spray pipeline is further arranged on the side wall of the spray pipe, and a conical nozzle is fixedly mounted at the bottom of the spray pipeline.
Preferably, the shower is pressed close to the one end lateral wall of fixed pipe has seted up the spiral track, the inside wall fixed mounting of fixed pipe have with the identical spacing fixed block of spiral track, just the thickening is done to shower pipeline wall.
Preferably, the shower is pressed close to one side of water tank check valve mechanism is rotatable design through the waterproof sealing bearing, just the inboard of shower is pressed close to one side fixed mounting of storage water tank has water tank check valve mechanism.
Preferably, the water tank check valve mechanism comprises a valve plate fixing shaft, the valve plate fixing shaft is fixedly sleeved on the inner side of the spray pipe, the inner side of the spray pipe is further fixedly sleeved with a spring fixing shaft, a valve plate is fixedly mounted on the surface side wall of the valve plate fixing shaft, a first compression spring is movably sleeved on the surface side wall of the spring fixing shaft, and two ends of the first compression spring are located on the surface side wall of the spring fixing shaft and are further fixedly provided with annular limiting blocks;
the inner cavity of the spraying pipeline is also provided with a one-way valve mechanism of the same kind.
Preferably, the inboard of drainage base is fixed to have cup jointed the filter fixed axle, the table lateral wall fixed mounting of filter fixed axle has the filter, the lateral wall of drainage base still fixed mounting has the bin, the bottom fixed mounting of drainage base has the return bend, the bottom of return bend is the toper design, and has placed movable sprue in the bottom, the inside wall fixed mounting of return bend has the filter screen, the buoyancy ball has been placed at the top of filter screen.
Preferably, the top of the movable block is provided with a nylon rope, the other end of the nylon rope passes through the bent pipe to be connected to the bottom end of the filter plate, and the movable block is further connected with the buoyancy ball through a string.
Preferably, the top fixed mounting of filter has unable adjustment base, just unable adjustment base pass through the axis of rotation with the bottom of tensile pipe is connected, tensile pipe is two segmentation designs, just the inboard of tensile pipe is still fixed mounting has tensile pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. through the design that the spray pipe penetrates through the flue, the flue is guided to vibrate along the direction of the spray pipe during working, and meanwhile, due to the existence of the buffer spring, most of stress generated during vibration buffering can be absorbed, so that the influence caused by vibration during the working of the flue is reduced, and the stability of running and placement of equipment is ensured;
meanwhile, when the flue vibrates along the direction of the spray pipe, the spray pipe and the fixed pipe move relatively, when the fixed pipe and the spray pipe move towards the direction away from each other, the fixed column moves towards the direction away from the spray pipe, the pressure of the inner cavity of the spray pipe is reduced, the valve plate is opened under the action of pressure, the inner cavity of the spray pipe is communicated with the inner cavity of the water storage tank, and a water source is injected; when the fixed pipe and the spray pipe move close to each other, the fixed pipe compresses the inner cavity of the spray pipe, the pressure of the inner cavity of the spray pipe is increased, the valve plate is closed, the single valve arranged on the inner side of the spray pipeline is opened under the action of pressure, and meanwhile, water in the inner cavity of the spray pipe is sprayed out through the conical nozzle, so that the flue gas in the flue can be sprayed and moistened, dust and impurities in the flue gas are reduced, meanwhile, the corrosion to the inner part of the flue is reduced, the flue gas can further enter the absorption tower for desulfurization and denitrification, the working efficiency is improved, and the influence of the flue gas on the flue is reduced;
through spacing fixed block and spiral track's existence, when the shower relative motion of fixed pipe, the shower passes through spiral track and follows spacing fixed block reciprocating rotation, drives the rotation of toper nozzle, improves the region that sprays, has promoted the effect that sprays.
2. When the spray pipe rotates in a reciprocating manner, the fixed swing arm drives the stretching pipe to swing around the spray pipe, and the stretching pipe can be stretched due to the existence of the second compression spring, so that the normal operation of the mechanism can be effectively protected;
meanwhile, the stretching pipe drives the filter plate to swing along the direction of the fixed shaft of the filter plate, the filter plate collides and vibrates with the inner side wall of the drainage base, so that the blocking caused by the accumulation of dust and impurities on the surface of the filter plate can be effectively avoided, meanwhile, the movable blocking block is driven by a nylon rope to circularly swing in the vertical direction during the swinging of the filter plate, the intermittent communication between the bent pipe and the outer side is completed, a part of moisture and filtered gas can be discharged through the intermittent opening of the movable blocking block, the excessive pressure of the inner cavity of the drainage base is prevented, and the safety of the system is ensured; meanwhile, the movable blocking block collides with the filter screen, so that impurities are effectively prevented from being accumulated on the surface of the filter screen to form blockage;
when the accumulated water in the inner cavity of the drainage base overflows into the bent pipe too much, the buoyancy ball rises under the buoyancy action of the water flow to drive the movable blocking block to rise to discharge the water flow, and when the water level drops to a normal level, the buoyancy ball falls back to drive the movable blocking block to reset, so that the safety and the stability of the system are ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of a flue arrangement stabilizing mechanism of a steam-electric double-drive induced draft fan provided by the invention;
FIG. 2 is a schematic structural diagram of a first buffer mechanism of a flue arrangement stabilizing mechanism of a steam-electric double-drive induced draft fan provided by the invention;
FIG. 3 is a schematic structural view of a spraying mechanism of a flue arrangement stabilizing mechanism of a steam-electric double-drive induced draft fan provided by the invention;
FIG. 4 is a schematic structural diagram of a spiral mechanism of a flue arrangement stabilizing mechanism of a steam-electric double-drive induced draft fan provided by the invention;
FIG. 5 is a schematic structural view of a water outlet valve mechanism of a flue arrangement stabilizing mechanism of a steam-electric double-drive induced draft fan provided by the invention;
FIG. 6 is a schematic structural view of a nozzle mechanism of a flue arrangement stabilizing mechanism of a steam-electric double-drive induced draft fan provided by the invention;
FIG. 7 is a schematic structural view of a drainage mechanism of a flue arrangement stabilizing mechanism of a steam-electric double-drive induced draft fan provided by the invention;
fig. 8 is a schematic structural diagram of a second buffer mechanism of the flue arrangement stabilizing mechanism of the steam-electric double-drive induced draft fan provided by the invention.
In the figure: 1. an induced draft fan; 2. an outlet of the dust remover; 3. an absorber inlet; 4. a flue; 5. a first fixing plate; 6. a second fixing plate; 7. a drainage base; 8. fixing the swing arm; 9. a spray pipe; 41. a shower pipe; 42. a damping fixed block; 43. a buffer spring; 51. a water storage tank; 52. a water tank check valve mechanism; 53. a valve plate fixing shaft; 54. a spring fixing shaft; 55. a valve plate; 56. a first compression spring; 57. an annular stop block; 61. a fixed tube; 62. fixing a column; 63. a limit fixing block; 64. a spiral track; 71. a filter plate; 72. a filter plate fixing shaft; 73. a storage tank; 74. a fixed base; 75. bending the pipe; 76. a movable block; 77. a filter screen; 78. a buoyant ball; 79. a nylon cord; 81. stretching the tube; 82. a second compression spring; 91. a conical nozzle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-8, a flue arrangement stabilizing mechanism of a steam-electric double-drive induced draft fan comprises an induced draft fan 1, a dust remover outlet 2 and an absorption tower inlet 3, wherein the dust remover outlet 2 is connected with the inlet of the induced draft fan 1, the outlet of the induced draft fan 1 is connected with a flue 4, the outlet of the flue 4 is connected with the absorption tower inlet 3, a first fixing plate 5 and a second fixing plate 6 are fixedly installed on the ground, and the bottom of the flue 4 is also fixedly provided with a drainage base 7;
the spray pipe 41 is movably sleeved on the inner side of the first fixing plate 5, the water storage tank 51 is fixedly installed in the inner cavity of the first fixing plate 5, one end of the spray pipe 41 is communicated with the inner cavity of the water storage tank 51 through a hose, and the other end of the spray pipe 41 penetrates through the flue 4.
As shown in fig. 2, the contacting part of the shower pipe 41 and the flue 4 maintains good air tightness and sliding property, a damping fixing block 42 is fixedly installed on the outer side wall of the flue 4, and a buffer spring 43 is fixedly installed between the damping fixing block 42 and the first fixing plate 5 and the second fixing plate 6.
As shown in fig. 3, a fixed pipe 61 is fixedly mounted on one side of the second fixed plate 6 facing the shower pipe 41, a fixed column 62 is fixedly mounted on the inner side of the fixed pipe 61, the fixed column 62 is movably sleeved on the inner side of the shower pipe 41, the outer diameter of the fixed column 62 is matched with the inner diameter of the shower pipe 41, a fixed swing arm 8 is fixedly mounted on the outer side wall of the shower pipe 41, a stretching pipe 81 is mounted on one end, away from the shower pipe 41, of the fixed swing arm 8 through a fixed shaft, a shower pipe 9 is further disposed on the side wall of the shower pipe 41, and a conical nozzle 91 is fixedly mounted at the bottom of the shower pipe 9.
As shown in fig. 4, a spiral track 64 is disposed on an outer side wall of one end of the shower pipe 41 close to the fixed pipe 61, a limiting fixed block 63 matched with the spiral track 64 is fixedly mounted on an inner side wall of the fixed pipe 61, and a pipe wall of the shower pipe 41 is thickened.
As shown in fig. 3, one side of the shower pipe 41 close to the water tank check valve mechanism 52 is rotatably designed by a waterproof sealing bearing, and one side of the inner side of the shower pipe 41 close to the water tank 51 is fixedly provided with the water tank check valve mechanism 52.
As shown in fig. 5-6, the tank check valve mechanism 52 includes a valve plate fixing shaft 53, the valve plate fixing shaft 53 is fixedly sleeved on the inner side of the spray pipe 41, the inner side of the spray pipe 41 is also fixedly sleeved with a spring fixing shaft 54, a valve plate 55 is fixedly installed on the surface side wall of the valve plate fixing shaft 53, a first compression spring 56 is movably sleeved on the surface side wall of the spring fixing shaft 54, and an annular limiting block 57 is also fixedly installed on the surface side wall of the spring fixing shaft 54 at two ends of the first compression spring 56;
the inner cavity of the spraying pipeline 9 is also provided with a one-way valve mechanism of the same type.
As shown in fig. 7, a filter plate fixing shaft 72 is fixedly sleeved on the inner side of the drainage base 7, a filter plate 71 is fixedly mounted on the surface side wall of the filter plate fixing shaft 72, a storage tank 73 is also fixedly mounted on the outer side wall of the drainage base 7, an elbow pipe 75 is fixedly mounted at the bottom end of the drainage base 7, the bottom end of the elbow pipe 75 is in a conical design, a movable block 76 is placed at the bottom of the elbow pipe 75, a filter screen 77 is fixedly mounted on the inner side wall of the elbow pipe 75, and a buoyancy ball 78 is placed at the top of the filter screen 77.
As shown in fig. 7, a nylon rope 79 is installed on the top of the movable block 76, the other end of the nylon rope 79 passes through the elbow 75 to be connected to the bottom end of the filter plate 71, and the movable block 76 is further connected to the buoyancy ball 78 through a string.
As shown in fig. 8, a fixed base 74 is fixedly mounted on the top end of the filter plate 71, the fixed base 74 is connected with the bottom end of the stretching tube 81 through a rotating shaft, the stretching tube 81 is of a two-section design, and the stretching tube 81 is fixedly mounted on the inner side of the stretching tube 81.
According to the invention, through the design that the spray pipe 41 penetrates through the flue 4, the flue 4 is guided to vibrate along the direction of the spray pipe 41 during working, and meanwhile, due to the existence of the buffer spring 43, most of stress generated during vibration buffering can be absorbed, so that the influence caused by vibration during the working of the flue 4 is reduced, and the stability of equipment operation and placement is ensured;
meanwhile, when the flue 4 vibrates along the direction of the spray pipe 41, the spray pipe 41 and the fixed pipe 61 move relatively, when the fixed pipe 61 and the spray pipe 41 move in the direction away from each other, the fixed column 62 moves in the direction away from the spray pipe 41, the pressure of the inner cavity of the spray pipe 41 is reduced, the valve plate 55 is opened under the action of pressure, the inner cavity of the spray pipe 41 is communicated with the inner cavity of the water storage tank 51, and a water source is injected; when the fixed pipe 61 and the spray pipe 41 move close to each other, the fixed column 62 compresses the inner cavity of the spray pipe 41, the pressure of the inner cavity of the spray pipe 41 is increased, the valve plate 55 is closed, the single valve arranged on the inner side of the spray pipeline 9 is opened under the action of pressure, and simultaneously, water in the inner cavity of the spray pipe 41 is sprayed out through the conical nozzle 91, so that the flue gas in the flue 4 can be sprayed and moistened, dust and impurities are reduced, meanwhile, the corrosion to the inner part of the flue 4 is reduced, the flue gas can further enter the absorption tower for desulfurization and denitration, the working efficiency is improved, and the influence of the flue gas on the flue is reduced;
through the existence of the limiting fixing block 63 and the spiral track 64, when the spray pipe 41 of the fixing pipe 61 moves relatively, the spray pipe 41 rotates back and forth along the limiting fixing block 63 through the spiral track 64 to drive the conical nozzle 91 to rotate, so that the spraying area is improved, and the spraying effect is improved;
when the spray pipe 41 rotates in a reciprocating manner, the fixed swing arm 8 drives the stretching pipe 81 to swing around the spray pipe 41, and due to the existence of the second compression spring 82, the stretching pipe 81 can be stretched, so that the normal operation of the mechanism can be effectively protected;
meanwhile, the stretching pipe 81 drives the filter plate 71 to swing along the direction of the filter plate fixing shaft 72, the filter plate 71 collides with the inner side wall of the drainage base 7 and vibrates, so that the blockage caused by accumulation of dust and impurities on the surface of the filter plate 71 can be effectively avoided, meanwhile, the nylon rope 79 drives the movable blocking block 76 to circularly swing in the vertical direction when the filter plate 71 swings, the intermittent communication between the elbow pipe 75 and the outer side is completed, a part of water and filtered gas can be discharged through the intermittent opening of the movable blocking block 76, the excessive pressure in the inner cavity of the drainage base 7 is prevented, and the safety of the system is ensured; meanwhile, the movable blocking block 76 collides with the filter screen 77, so that impurities are effectively prevented from being accumulated on the surface of the filter screen 77 to form blockage;
when the accumulated water in the inner cavity of the drainage base 7 overflows into the elbow pipe 75 too much, the buoyancy ball 78 rises under the buoyancy action of the water flow to drive the movable blocking block 76 to rise to discharge the water flow, and when the water level drops to a normal level, the buoyancy ball 78 falls back to drive the movable blocking block 76 to reset, so that the safety and the stability of the system are ensured.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A flue arrangement stabilizing mechanism of a steam-electric double-drive induced draft fan is characterized by comprising an induced draft fan (1), a dust remover outlet (2) and an absorption tower inlet (3), wherein the dust remover outlet (2) is connected with the inlet of the induced draft fan (1), the outlet of the induced draft fan (1) is connected with a flue (4), the outlet of the flue (4) is connected with the absorption tower inlet (3), a first fixing plate (5) and a second fixing plate (6) are fixedly arranged on the ground, and a drainage base (7) is fixedly arranged at the bottom of the flue (4);
the spray pipe (41) is movably sleeved on the inner side of the first fixing plate (5), a water storage tank (51) is fixedly mounted in an inner cavity of the first fixing plate (5), one end of the spray pipe (41) is communicated with an inner cavity of the water storage tank (51) through a hose, and the other end of the spray pipe (41) penetrates through the flue (4).
2. The steam-electric double-drive induced draft fan flue arrangement stabilizing mechanism is characterized in that the contact position of the spray pipe (41) and the flue (4) keeps good air tightness and sliding performance, a damping fixing block (42) is fixedly installed on the outer side wall of the flue (4), and a buffer spring (43) is fixedly installed between the damping fixing block (42) and the first fixing plate (5) and the second fixing plate (6).
3. The flue arrangement stabilizing mechanism of the steam-electric double-drive induced draft fan according to claim 2, a fixed pipe (61) is fixedly arranged on one side of the second fixed plate (6) facing the spray pipe (41), a fixed column (62) is fixedly arranged on the inner side of the fixed tube (61), the fixed column (62) is movably sleeved with the inner side of the spray tube (41), the outer diameter of the fixed column (62) is matched with the inner diameter of the spray tube (41), the outer side wall of the spray pipe (41) is fixedly provided with a fixed swing arm (8), a stretching pipe (81) is arranged at one end of the fixed swing arm (8) far away from the spray pipe (41) through a fixed shaft, the side wall of the spray pipe (41) is also provided with a spray pipeline (9), and the bottom of the spray pipeline (9) is fixedly provided with a conical nozzle (91).
4. The steam-electricity double-drive induced draft fan flue arrangement stabilizing mechanism is characterized in that a spiral track (64) is arranged on the outer side wall of one end, close to the fixed pipe (61), of the spray pipe (41), a limiting fixing block (63) matched with the spiral track (64) is fixedly arranged on the inner side wall of the fixed pipe (61), and thickening processing is carried out on the pipe wall of the spray pipe (41).
5. The steam-electric double-drive induced draft fan flue arrangement stabilizing mechanism is characterized in that one side, close to the water tank one-way valve mechanism (52), of the spray pipe (41) is rotatably designed through a waterproof sealing bearing, and the water tank one-way valve mechanism (52) is fixedly installed on one side, close to the water storage tank (51), of the inner side of the spray pipe (41).
6. The steam-electric double-drive induced draft fan flue arrangement stabilizing mechanism is characterized in that the water tank one-way valve mechanism (52) comprises a valve plate fixing shaft (53), the valve plate fixing shaft (53) is fixedly sleeved on the inner side of the spray pipe (41), the inner side of the spray pipe (41) is further fixedly sleeved with a spring fixing shaft (54), a valve plate (55) is fixedly installed on the surface side wall of the valve plate fixing shaft (53), a first compression spring (56) is movably sleeved on the surface side wall of the spring fixing shaft (54), and an annular limiting block (57) is further fixedly installed on the surface side wall of the spring fixing shaft (54) at two ends of the first compression spring (56);
the inner cavity of the spraying pipeline (9) is also provided with a one-way valve mechanism of the same kind.
7. The steam-electric double-drive draught fan flue arrangement stabilizing mechanism is characterized in that a filter plate fixing shaft (72) is fixedly sleeved on the inner side of a drainage base (7), a filter plate (71) is fixedly mounted on the surface side wall of the filter plate fixing shaft (72), a storage box (73) is further fixedly mounted on the outer side wall of the drainage base (7), an elbow pipe (75) is fixedly mounted at the bottom end of the drainage base (7), the bottom end of the elbow pipe (75) is in a conical design, a movable block (76) is placed at the bottom of the elbow pipe, a filter screen (77) is fixedly mounted on the inner side wall of the elbow pipe (75), and a buoyancy ball (78) is placed at the top of the filter screen (77).
8. The flue arrangement stabilizing mechanism of the steam-electric double-drive induced draft fan according to claim 7, wherein a nylon rope (79) is installed at the top of the movable block (76), the other end of the nylon rope (79) passes through the elbow (75) to be connected to the bottom end of the filter plate (71), and the movable block (76) is further connected with the buoyancy ball (78) through a string.
9. The steam-electric double-drive induced draft fan flue arrangement stabilizing mechanism is characterized in that a fixed base (74) is fixedly installed at the top end of the filter plate (71), the fixed base (74) is connected with the bottom end of the stretching pipe (81) through a rotating shaft, the stretching pipe (81) is of a two-section design, and the stretching pipe (81) is fixedly installed on the inner side of the stretching pipe (81).
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| CN113797718B (en) | 2024-02-02 |
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