CN116221761B - Radial flow back rotary heat accumulating type air preheater - Google Patents
Radial flow back rotary heat accumulating type air preheater Download PDFInfo
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- CN116221761B CN116221761B CN202310278764.6A CN202310278764A CN116221761B CN 116221761 B CN116221761 B CN 116221761B CN 202310278764 A CN202310278764 A CN 202310278764A CN 116221761 B CN116221761 B CN 116221761B
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- heat storage
- flue gas
- rotating
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
- F23L15/02—Arrangements of regenerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
- F23J3/02—Cleaning furnace tubes; Cleaning flues or chimneys
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air Supply (AREA)
Abstract
The application discloses a radial flow-back rotary heat accumulating type air preheater, which particularly relates to the field of air preheating equipment, and comprises an outer shell, wherein a plurality of heat accumulating plates are arranged in the outer shell, one side of each heat accumulating plate is provided with a rotary column, the rotary column is rotatably arranged at the bottom of the outer shell, one side of the outer shell is communicated with a flue gas channel, the other side of the outer shell is communicated with an air channel, the top of each heat accumulating plate is provided with a vibration dust removing mechanism, the bottom of each heat accumulating plate is provided with a hammer mechanism, the vibration dust removing mechanism comprises a rotary drum fixedly arranged at one side of each heat accumulating plate, and two limiting slide bars are slidably arranged on the inner wall of the rotary drum. Through setting up vibrations dust removal mechanism, and then at the in-process that air preheating equipment used, through making the heat accumulation plate produce certain vibrations and make it shake off its attached smoke and dust or oxide on it to avoid influencing the heat absorption heat release ability of heat accumulation plate and receive the influence and influence its work efficiency.
Description
Technical Field
The application relates to the technical field of air preheating equipment, in particular to a radial flow back rotary heat accumulating type air preheater.
Background
In a large-scale thermal generator set, a rotary air preheater device is arranged for heating the air entering the boiler to improve the utilization rate of heat of high-temperature flue gas generated after combustion of the combustion coal in the boiler and improve the efficiency of the boiler.
In the use process of the air preheating equipment, because the smoke dust and the oxide are carried in the high-temperature smoke gas generated in the boiler, when the heat storage plate is contacted and conducted, the smoke dust or the oxide is attached to the outer surface of the heat storage plate, and then the heat absorption and heat release capacity of the heat storage plate is influenced, so that the working efficiency is influenced.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present application provides a radial flow back rotary heat accumulating type air preheater, which is provided with a vibration dust removing mechanism, so that in the process of using the air preheating device, a heat accumulating plate generates a certain vibration to shake off smoke dust or oxide attached to the heat accumulating plate, thereby avoiding affecting the heat absorbing and heat releasing capability of the heat accumulating plate and affecting the working efficiency of the heat accumulating plate, and solving the problems set forth in the background art.
In order to achieve the above purpose, the present application provides the following technical solutions: the radial flow-back heat accumulating type air preheater comprises an outer shell, wherein a plurality of heat accumulating plates are arranged in the outer shell, a rotating column is arranged on one side of each heat accumulating plate, the rotating column is rotatably arranged at the bottom of the outer shell, one side of the outer shell is communicated with a flue gas channel, the other side of the outer shell is communicated with an air channel, a vibration dust removing mechanism is arranged at the top of each heat accumulating plate, and a hammer mechanism is arranged at the bottom of each heat accumulating plate;
the vibration dust removing mechanism comprises a rotary drum fixedly arranged at one side of a plurality of heat storage plates, two limit sliding rods are slidably arranged on the inner wall of the rotary drum, and the two limit sliding rods are fixedly arranged at two sides of the rotary column;
the inner wall of the rotary drum is attached to the outer wall of the rotary column, the length of the rotary drum is smaller than that of the rotary column, and the two limit sliding rods are perpendicular to the rotary drum;
two top plates are fixedly arranged at the top of the rotary drum, and rollers are rotatably arranged on one sides of the two top plates;
the two top plates are symmetrically arranged with the vertical center line of the rotary drum, and the rollers and the top plates are arranged vertically;
a plurality of jacking blocks are arranged on one side of the roller, the horizontal height of the bottom of the roller is lower than that of the top of the jacking blocks, the inner circumferential surfaces of the outer shells of the jacking blocks are annularly and equidistantly arranged, and the tops of the jacking blocks are in slope-shaped arrangement;
the top of the top plate is fixedly provided with a supporting spring which is fixedly arranged at the top of the rotating column
The bottom of rotary drum is equipped with hammering board, hammering board fixed mounting is at the outer wall of revolving post, hammering board is mutually perpendicular setting with the rotary drum.
In a preferred embodiment, the hammer mechanism comprises a rotating plate arranged at the bottom of the heat storage plate, and a fixed rod is rotatably arranged in the middle of the rotating plate;
the fixed rod is fixedly arranged on the inner wall of the outer shell, the rotating plate and the fixed rod are arranged in parallel, and the top of the rotating plate is mutually attached to the bottom of the heat storage plate;
one side of the rotating plate is fixedly provided with a striking roller, the striking roller and the rotating plate are arranged in parallel, the bottom of the rotating plate is fixedly provided with a plurality of jacking springs, and the jacking springs are fixedly arranged at the bottom of the outer shell.
In a preferred embodiment, the striking roller is made of a rigid material, the striking roller and the heat storage plate are arranged perpendicular to each other, and the top of the striking roller is attached to the bottom of the heat storage plate.
In a preferred embodiment, a filtering mechanism is arranged on one side of the heat storage plate, the filtering mechanism comprises a dust separation plate fixedly arranged on the inner wall of the flue gas channel, a rotating rod is arranged on one side of the dust separation plate, and the rotating rod is rotatably arranged on the inner wall of the flue gas channel;
the outer wall of the rotating rod is fixedly provided with a plurality of blades, the blades are arranged in an annular equidistant manner on the outer circumferential surface of the rotating rod, and gaps are reserved between the blades and the inner wall of the flue gas channel;
one side of the rotating rod is rotatably provided with a synchronous belt, one side of the synchronous belt is rotatably provided with a reciprocating threaded rod, and the reciprocating threaded rod is rotatably arranged on the inner wall of the smoke channel;
the outer wall threaded connection of reciprocal threaded rod has the scraper blade, the scraper blade is mutually perpendicular setting with reciprocal threaded rod.
In a preferred embodiment, the scraping plate is made of rubber, one side of the scraping plate is mutually attached to the outer wall of the dust separation plate, and the height of the scraping plate is the same as that of the dust separation plate.
In a preferred embodiment, a baffle plate is arranged on one side of the rotating rod and fixedly arranged on the inner wall of the flue gas channel;
the flow baffle plate is perpendicular to the flue gas channel, the height of the flow baffle plate is smaller than the height of the inner wall of the flue gas channel, and the horizontal height of the top of the flow baffle plate is lower than the horizontal height of the top of the blade plate.
In a preferred embodiment, a heat storage mechanism is arranged at the top of the heat storage plate, the heat storage mechanism comprises an inclined plate fixedly arranged on the inner wall of the air channel, and the inclined plate is obliquely arranged on the inner wall of the air channel;
one side of the inclined plate is provided with an air blocking plate, the air blocking plate is rotatably arranged on the inner wall of the air channel, the top of the air blocking plate is fixedly provided with a limiting spring, and the limiting spring is fixedly arranged on the inner wall of the air channel;
the air blocking plate and the inclined plate are arranged in a mutually crossing manner, and a plurality of ventilation grooves are formed in the top of the air blocking plate;
the top of choke plate articulates there is the arm-tie, the bottom of arm-tie articulates there is the wane, the wane rotates the bottom of installing at air channel, the wane uses air channel's bottom to be the plane and is the slope setting.
In a preferred embodiment, a return-stopping mechanism is arranged at the bottom of the heat storage plate, the return-stopping mechanism comprises a swinging rod rotatably arranged on the inner wall of the flue gas channel, and a fan plate is fixedly arranged on one side of the swinging rod;
the fan plate is L-shaped, the width of the fan plate is smaller than the width of the inner wall of the flue gas channel, and a gap is reserved between the fan plate and the inner wall of the flue gas channel;
the top of the fan plate is hinged with a pull swing rod, and the top of the pull swing rod is hinged at the bottom of the rotating plate.
In a preferred embodiment, a dust blowing mechanism is arranged at the top of the heat storage plate, the dust blowing mechanism comprises a fan fixedly arranged at the top of the outer shell, and one side of the fan is communicated with a blowing box;
the bottom of the air blowing box penetrates through the top of the outer shell, and the bottom of the air blowing box is arranged in a slope shape;
the bottom of the blowing box is hinged with a wind shield, the length of the wind shield is the same as that of the blowing box, and the width of the wind shield is smaller than that of the blowing box;
one side of the wind shield is fixedly provided with a plurality of deflector rods, and the deflector rods and the wind shield are arranged in parallel.
In a preferred embodiment, the plurality of shift levers are made of rubber, the horizontal height of the bottoms of the plurality of shift levers is higher than the horizontal height of the top of the heat storage plate, and the plurality of shift levers are perpendicular to the top of the heat storage plate.
The application has the technical effects and advantages that:
1. according to the application, the rotating column rotates to drive the rotating drums to drive the rollers to synchronously rotate, so that the rollers on two sides move upwards through the slopes of the jacking blocks to drive the top plates to move upwards, and the rotating drums drive the heat storage plates to synchronously move upwards, at the moment, the rotating plates lose restriction, and drive the beating rollers to synchronously rotate through the elastic force of the jacking springs, after the rollers are far away from the jacking blocks, the rollers fall down, and the rotating drums drive the heat storage plates to fall down to impact the beating plates to vibrate, at the moment, the rotating plates rotate to drive the beating rollers to beat the bottoms of the heat storage plates to vibrate, so that sundries attached to the beating plates are vibrated, and further, the influence on the heat absorption and heat release capacity of the heat storage plates is avoided.
2. Through the flue gas that passes through from the flue gas passageway strike a plurality of leafs and rotate and drive the hold-in range and rotate and make reciprocal threaded rod rotate, and then drive the scraper blade and carry out reciprocating motion and strike off the outer wall of dust separation board, avoid the outer wall of dust separation board to produce the jam.
3. The heat storage plate can be extruded and rotated to drag the pulling plate when moving upwards, so that the choke plate moves downwards and rotates and the sloping plate can be mutually close to each other to form a barrier, the contact time of air entering the outer shell and the heat storage plate is further prolonged, and the heat exchange effect is further enhanced; meanwhile, the heat storage plate which moves upwards is rotated to extrude the plurality of deflector rods, so that the wind deflector is rotated to be close to the blowing box to form a small caliber at the bottom of the blowing box, the flow speed of the air flow blown into the blowing box by the fan is increased, the air flow strength is enhanced, and sundries shaken out on the heat storage plate are blown downwards.
4. The pull swing rod is driven to move up and down through the up-and-down movement of the rotating plate, so that the pull swing rod can drive the fan plate to rotate up and down, and then air flow can be rapidly stirred through the bottom of the fan plate when the fan plate deflects downwards, and further downward air flow can be generated in the flue gas channel, and flue gas returning from the flue gas channel is avoided.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present application.
Fig. 2 is a vertical sectional view of the present application.
Fig. 3 is an enlarged view of the structure of the portion a of fig. 2 according to the present application.
Fig. 4 is an enlarged view of the B-section structure of fig. 2 according to the present application.
FIG. 5 is a schematic diagram of a vibration dust removing mechanism according to the present application.
Fig. 6 is a sectional view of the hammer mechanism in the present application.
Fig. 7 is a cross-sectional view of a filter mechanism according to the present application.
Fig. 8 is a schematic structural view of a dust blowing mechanism in the present application.
Fig. 9 is an enlarged view of the C-section structure of fig. 8 according to the present application.
The reference numerals are: 1. an outer housing; 2. a heat storage plate; 3. a rotating column; 4. a flue gas channel; 5. an air passage; 6. vibrating the dust removing mechanism; 61. a rotating drum; 62. a limit slide bar; 63. a top plate; 64. a roller; 65. lifting the jacking block; 66. a support spring; 67. hammering the plate; 7. a hammer mechanism; 71. a rotating plate; 72. a fixed rod; 73. a striking roller; 74. a jack spring; 8. a filtering mechanism; 81. a dust-separating plate; 82. a rotating rod; 83. a blade; 84. a synchronous belt; 85. a reciprocating threaded rod; 86. a scraper; 87. a flow baffle; 9. a heat storage mechanism; 91. a sloping plate; 92. a choke plate; 93. a limit spring; 94. pulling a plate; 95. a seesaw; 10. a return prevention mechanism; 101. swinging the rod; 102. a fan plate; 103. pulling the swing rod; 11. a dust blowing mechanism; 111. a blower; 112. a blowing box; 113. a wind deflector; 114. a deflector rod.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-9 of the specification, a radial flow back rotary heat accumulating type air preheater in the embodiment of the application, as shown in fig. 1 and 2, comprises an outer shell 1, wherein a plurality of heat accumulating plates 2 are arranged in the outer shell 1, a rotary column 3 is arranged on one side of each of the plurality of heat accumulating plates 2, the rotary column 3 is rotatably arranged at the bottom of the outer shell 1, one side of the outer shell 1 is communicated with a flue gas channel 4, the other side of the outer shell 1 is communicated with an air channel 5, hot smoke enters through the flue gas channel 4 and then conducts heat to the heat accumulating plates 2, the rotary column 3 is driven by a motor to rotate, the rotary column 3 drives the heat accumulating plates 2, the heat is transferred to the other side through the rotation of the heat accumulating plates 2, air entering through the air channel 5 is contacted with the heat accumulating plates, so that the air is preheated, the top of the heat accumulating plates 2 is provided with a vibration dust removing mechanism 6, and the bottom of the heat accumulating plates 2 is provided with a hammer mechanism 7;
as shown in fig. 5, the vibration dust removing mechanism 6 comprises a rotary drum 61 fixedly installed at one side of the plurality of heat accumulating plates 2, two limit sliding rods 62 are slidably installed on the inner wall of the rotary drum 61, and the two limit sliding rods 62 are fixedly installed at two sides of the rotary column 3, so that the rotary column 3 rotates to drive the two limit sliding rods 62 to synchronously rotate, and the two limit sliding rods 62 drive the rotary drum 61 to synchronously rotate;
as shown in fig. 5, the inner wall of the rotary drum 61 and the outer wall of the rotary column 3 are mutually attached, the length of the rotary drum 61 is smaller than that of the rotary column 3, and the two limit sliding rods 62 and the rotary drum 61 are mutually perpendicular, so that the rotary drum 61 can slide up and down while being driven on the rotary column 3 through the two limit sliding rods 62;
as shown in fig. 5, two top plates 63 are fixedly installed on the top of the rotary drum 61, and rollers 64 are rotatably installed on one sides of the two top plates 63, so that the two top plates 63 and the rotary drum 61 rotate synchronously, and the rollers 64 are driven to rotate synchronously;
as shown in fig. 5, the two top plates 63 are symmetrically arranged with respect to each other along the vertical center line of the drum 61, and the rollers 64 are perpendicular to the top plates 63, so that the two top plates 63 are driven by the drum 61 together and correspond to each other, and the top plates 63 can be driven by the rollers 64 to move up and down;
as shown in fig. 5, a plurality of lifting blocks 65 are arranged at one side of the roller 64, the horizontal height of the bottom of the roller 64 is lower than the horizontal height of the top of the lifting blocks 65, so that the roller 64 can be lifted up through the lifting blocks 65 after approaching the lifting blocks 65, the plurality of lifting blocks 65 are arranged in an annular equidistant manner on the inner circumferential surface of the outer shell 1, the tops of the lifting blocks 65 are arranged in a slope shape, so that the roller 64 at two sides is approaching the lifting blocks 65 when the roller 64 is driven by the top plate 63 to rotate, the roller 64 moves upwards through the slope of the lifting blocks 65, the top plate 63 is driven to move upwards, and the top plate 63 drives the rotary drum 61 to move upwards synchronously;
as shown in fig. 5, a supporting spring 66 is fixedly installed on the top of the top plate 63, and the supporting spring 66 is fixedly installed on the top of the rotating column 3, so that the supporting spring 66 can be compressed to store force through upward movement of the top plate 63, and the rear top plate 63 can drive the rotating drum 61 to move downward to collide after downward movement.
As shown in fig. 5, the bottom of the drum 61 is provided with a hammering plate 67, the hammering plate 67 is fixedly mounted on the outer wall of the rotary column 3, the hammering plate 67 and the drum 61 are perpendicular to each other, and then the drum 61 can collide with the hammering plate 67 after moving downwards, so that the drum 61 drives the heat storage plate 2 to vibrate synchronously and shake off impurities attached to the heat storage plate 2.
In specific implementation, the rotating cylinder 61 is driven to synchronously rotate through the rotation of the rotating column 3, so that the two top plates 63 and the rotating cylinder 61 synchronously rotate, the rollers 64 are driven to synchronously rotate, the rollers 64 on two sides are driven to be close to the jacking block 65 by the rotation of the top plates 63, the rollers 64 are enabled to move upwards through the slope of the jacking block 65, the top plates 63 are driven to move upwards, the top plates 63 are enabled to drive the rotating cylinder 61 to synchronously move upwards, the rollers 64 are enabled to fall downwards after being far away from the jacking block 65, the rotating cylinder 61 is enabled to fall down to impact the hammering plate 67 to vibrate, the rotating cylinder 61 is enabled to drive the heat storage plate 2 to synchronously vibrate to shake sundries attached to the heat storage plate, and therefore the influence on the heat absorption and heat release capacity of the heat storage plate is avoided.
As shown in fig. 6, the hammer mechanism 7 includes a rotary plate 71 provided at the bottom of the thermal storage plate block 2, a fixing rod 72 is rotatably installed at the middle part of the rotary plate 71, and further the rotary plate 71 is unconstrained by the upward movement of the thermal storage plate block 2 and can be lifted by the rotational upward movement of the fixing rod 72;
as shown in fig. 6, the fixing rod 72 is fixedly installed on the inner wall of the outer casing 1, the rotating plate 71 and the fixing rod 72 are arranged in parallel, the top of the rotating plate 71 is attached to the bottom of the heat storage plate 2, and the rotating plate 71 can rotate on the inner wall of the outer casing 1 by depending on the fixing rod 72;
as shown in fig. 6, a striking roller 73 is fixedly installed on one side of the rotating plate 71, the striking roller 73 and the rotating plate 71 are arranged in parallel, so that the rotating plate 71 can drive the striking roller 73 to synchronously rotate when rotating, further, the striking roller 73 can generate swinging motion, a plurality of jack springs 74 are fixedly installed at the bottom of the rotating plate 71, the jack springs 74 are fixedly installed at the bottom of the outer shell 1, further, the rotating plate 71 can be upwards moved to rotate by the elastic force of the jack springs 74 through the fact that the rotating plate 71 after the heat accumulating plate 2 is upwards moved is out of limit, and further, the rotating plate 71 drives the striking roller 73 to synchronously rotate.
As shown in fig. 6, the striking roller 73 is made of a rigid material, the striking roller 73 and the heat storage plate 2 are arranged vertically to each other, the top of the striking roller 73 and the bottom of the heat storage plate 2 are mutually attached, so that after the striking roller 73 rotates, the rotating plate 71 rotates again through the downward movement of the heat storage plate 2 to drive the striking roller 73 to rotate synchronously, the striking roller 73 rotates to approach and strike the bottom of the heat storage plate 2, and then the bottom of the heat storage plate 2 is struck and vibrated, so that sundries on the heat storage plate 2 are vibrated, and the sundries are prevented from affecting the use of the heat storage plate 2.
In a specific implementation, the rotating plate 71 is moved upwards to rotate by losing the limit of the rotating plate 71 after the heat storage plate 2 moves upwards and by the elastic force of the plurality of jack springs 74, so that the rotating plate 71 drives the impact roller 73 to synchronously rotate, the rotating plate 71 again rotates to drive the impact roller 73 to synchronously rotate by the downward movement of the heat storage plate 2, the impact roller 73 is further rotated to approach to and impact the bottom of the heat storage plate 2, the bottom of the heat storage plate 2 is impacted and vibrated, and sundries on the heat storage plate 2 are vibrated to avoid the influence of the sundries on the use of the heat storage plate 2.
As shown in fig. 7, a filtering mechanism 8 is arranged on one side of the heat storage plate 2, the filtering mechanism 8 comprises a dust separation plate 81 fixedly arranged on the inner wall of the flue gas channel 4, a rotating rod 82 is arranged on one side of the dust separation plate 81, the rotating rod 82 is rotatably arranged on the inner wall of the flue gas channel 4, and then the flue gas passing through the flue gas channel 4 can be filtered through the dust separation plate 81, so that the negative influence caused by the entry of particulate impurities in the flue gas is avoided;
as shown in fig. 7, the outer wall of the rotating rod 82 is fixedly provided with a plurality of blades 83, the blades 83 are arranged in an annular equidistant manner on the outer circumferential surface of the rotating rod 82, and a gap is reserved between the blades 83 and the inner wall of the flue gas channel 4, so that flue gas passing through the flue gas channel 4 impacts the blades 83, and the blades 83 rotate through the rotating rod 82;
as shown in fig. 7, a synchronous belt 84 is rotatably mounted on one side of the rotating rod 82, a reciprocating threaded rod 85 is rotatably mounted on one side of the synchronous belt 84, and the reciprocating threaded rod 85 is rotatably mounted on the inner wall of the flue gas channel 4, so that after the rotating rod 82 is driven to rotate, the rotating rod 82 drives the synchronous belt 84 to rotate, and the synchronous belt 84 drives the reciprocating threaded rod 85 to synchronously rotate on the inner wall of the flue gas channel 4;
as shown in fig. 7, the outer wall of the reciprocating threaded rod 85 is in threaded connection with a scraper 86, and the scraper 86 and the reciprocating threaded rod 85 are mutually perpendicular, so that the scraper 86 can be driven to reciprocate by the rotation of the reciprocating threaded rod 85.
As shown in fig. 7, the scraping plate 86 is made of rubber, one side of the scraping plate 86 is attached to the outer wall of the dust-isolation plate 81, the height of the scraping plate 86 is the same as that of the dust-isolation plate 81, so that the scraping plate 86 can be attached to the dust-isolation plate 81 tightly, the outer wall of the dust-isolation plate 81 can be scraped by moving, and the blockage of the outer wall of the dust-isolation plate 81 is avoided.
As shown in fig. 7, a flow baffle 87 is arranged at one side of the rotating rod 82, the flow baffle 87 is fixedly arranged on the inner wall of the flue gas channel 4, and then the flue gas passing through the flue gas channel 4 can only impact the upper half parts of the plurality of blades 83 through the flow baffle 87, so that the plurality of blades 83 can rotate, and the flue gas can be buffered to avoid overlarge impact force of the flue gas;
as shown in fig. 7, the flow baffle 87 and the flue gas channel 4 are perpendicular to each other, the height of the flow baffle 87 is smaller than the height of the inner wall of the flue gas channel 4, the horizontal height of the top of the flow baffle 87 is lower than the horizontal height of the top of the blade 83, so that the flue gas passing through the flue gas channel 4 can only impact the upper half of the blade 83, and the blade 83 can rotate.
In the specific implementation, the upper half parts of the plurality of blades 83 are impacted by the flue gas passing through the flue gas channel 4, so that the plurality of blades 83 can rotate, the plurality of blades 83 rotate through the rotating rod 82, the synchronous belt 84 is driven to rotate so as to drive the reciprocating threaded rod 85 to rotate, the scraping plate 86 is driven to reciprocate, the outer wall of the dust separation plate 81 can be scraped, and the blockage of the outer wall of the dust separation plate 81 is avoided.
As shown in fig. 3, the top of the heat storage plate 2 is provided with a heat storage mechanism 9, the heat storage mechanism 9 comprises an inclined plate 91 fixedly installed on the inner wall of the air channel 5, the inclined plate 91 is obliquely arranged on the inner wall of the air channel 5, so that the inclined plate 91 can form a narrow opening state on the inner wall of the air channel 5, and the heat storage plate is conveniently combined with an air blocking plate 92 to reduce the passing rate of the air channel 5;
as shown in fig. 3, one side of the inclined plate 91 is provided with an air blocking plate 92, the air blocking plate 92 is rotatably mounted on the inner wall of the air channel 5, the top of the air blocking plate 92 is fixedly provided with a limiting spring 93, and the limiting spring 93 is fixedly mounted on the inner wall of the air channel 5, so that the air blocking plate 92 can be pulled by the limiting spring 93 to open the air channel 5, the air channel 5 is normally ventilated, and the air channel 5 is prepared for the following closing work;
as shown in fig. 3, the choke plate 92 and the inclined plate 91 are disposed to cross each other, and a plurality of ventilation slots are formed at the top of the choke plate 92, so that the choke plate 92 and the inclined plate 91 can be combined close to each other to form a barrier, and part of air can leak through the plurality of ventilation slots to avoid excessive blockage;
as shown in fig. 3, the top of the choke plate 92 is hinged with a pull plate 94, the bottom of the pull plate 94 is hinged with a rocker 95, the rocker 95 is rotatably mounted at the bottom of the air channel 5, and the pull plate 94 can be rotated by the rocker 95, so that the pull plate 94 drives the choke plate 92 to move downwards to rotate, the rocker 95 is obliquely arranged with the bottom of the air channel 5 as a plane, and the heat storage plate 2 can be extruded when moving upwards, so that the rocker 95 rotates.
During specific implementation, the wane 95 can be extruded when the heat storage plate 2 moves upwards, so that the wane 95 rotates, the pull plate 94 can be pulled through the rotation of the wane 95, the pull plate 94 drives the choke plate 92 to move downwards to rotate, the choke plate 92 and the inclined plate 91 can be mutually close to each other to form a barrier, the time of contact between air in the outer shell 1 and the heat storage plate 2 is further improved, and the heat exchange effect is further enhanced.
As shown in fig. 2 and 4, the bottom of the heat storage plate 2 is provided with a return stopping mechanism 10, the return stopping mechanism 10 comprises a swing rod 101 rotatably installed on the inner wall of the flue gas channel 4, and a fan plate 102 is fixedly installed on one side of the swing rod 101, so that the fan plate 102 can rotate on the inner wall of the flue gas channel 4 through the swing rod 101, and the fan plate 102 can fan the air flow in the flue gas channel 4;
as shown in fig. 2 and fig. 4, the fan plate 102 is L-shaped, the width of the fan plate 102 is smaller than the width of the inner wall of the flue gas channel 4, and a gap is left between the fan plate 102 and the inner wall of the flue gas channel 4, so that the fan plate 102 does not excessively stir the air flow when deflecting upwards, and when the fan plate 102 deflects downwards, the air flow can be rapidly stirred through the bottom of the fan plate 102, so that the downward air flow can be generated in the flue gas channel 4;
as shown in fig. 4, the top of the fan plate 102 is hinged with a pull swing rod 103, the top of the pull swing rod 103 is hinged at the bottom of the rotating plate 71, and then the pull swing rod 103 can be driven to move up and down through the up-and-down movement of the rotating plate 71, so that the pull swing rod 103 can drive the fan plate 102 to rotate up and down.
In specific implementation, the pull swing rod 103 is driven to move up and down through the up and down movement of the rotating plate 71, so that the pull swing rod 103 can drive the fan plate 102 to rotate up and down, and then when the fan plate 102 deflects downwards, the air flow can be rapidly stirred through the bottom of the fan plate 102, and then the downward air flow can be generated in the flue gas channel 4, so that the flue gas returning from the flue gas channel 4 is avoided.
As shown in fig. 1, 8 and 9, the top of the heat storage plate 2 is provided with a dust blowing mechanism 11, the dust blowing mechanism 11 comprises a fan 111 fixedly installed at the top of the outer shell 1, one side of the fan 111 is communicated with a blowing box 112, and then air flow is blown into the blowing box 112 through the fan 111, so that the air flow in the blowing box 112 outwards flows;
as shown in fig. 8 and 9, the bottom of the air blowing box 112 penetrates through the top of the outer casing 1, and the bottom of the air blowing box 112 is arranged in a slope shape, so that air flow in the air blowing box 112 can blow to the top of the heat storage plate 2 in the outer casing 1, and impurities shaken out on the heat storage plate 2 are blown downwards;
as shown in fig. 9, a wind shield 113 is hinged to the bottom of the air blowing box 112, the length of the wind shield 113 is the same as that of the air blowing box 112, and the width of the wind shield 113 is smaller than that of the air blowing box 112, so that the wind shield 113 can be rotated to be close to the air blowing box 112, the bottom of the air blowing box 112 is made to be small in caliber, the flow speed of air blown out from the air blowing box 112 is increased, and the strength of blown air is enhanced;
as shown in fig. 9, a plurality of levers 114 are fixedly installed on one side of the wind deflector 113, and the levers 114 and the wind deflector 113 are arranged in parallel, so that the wind deflector 113 can be driven to synchronously rotate by the levers 114.
As shown in fig. 9, the plurality of levers 114 are made of rubber, the bottom of the plurality of levers 114 is higher than the top of the heat storage plate 2, the plurality of levers 114 are perpendicular to the top of the heat storage plate 2, so that the plurality of levers 114 can be driven by the heat storage plate 2 which is rotated and moved upwards to move upwards and deflect, the wind shield 113 is further rotated to be close to the air blowing box 112, and the levers 114 can adapt to the extruded force and length through elastic deformation.
In specific implementation, the plurality of deflector rods 114 are extruded by rotating the heat storage plate 2 which moves upwards, so that the deflector rods 114 drive the wind shield 113 to rotate to be close to the air blowing box 112, the bottom of the air blowing box 112 is small in caliber, the flow speed of air flow blown into the air blowing box 112 by the fan 111 is accelerated, the strength of the blown air flow is enhanced, and sundries which shake out on the heat storage plate 2 are blown downwards.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the application are intended to be included within the scope of the application.
Claims (9)
1. The utility model provides a radial flow back heat accumulation formula air heater, includes shell body (1), the inside of shell body (1) is equipped with a plurality of heat accumulation plate (2), and is a plurality of one side of heat accumulation plate (2) is equipped with column (3), column (3) rotate the bottom of installing at shell body (1), one side intercommunication of shell body (1) has flue gas passageway (4), the opposite side intercommunication of shell body (1) has air passageway (5), its characterized in that: the top of the heat storage plate (2) is provided with a vibration dust removing mechanism (6), and the bottom of the heat storage plate (2) is provided with a hammer mechanism (7);
the vibration dust removing mechanism (6) comprises a rotary drum (61) fixedly arranged at one side of the plurality of heat storage plates (2), two limit sliding rods (62) are slidably arranged on the inner wall of the rotary drum (61), and the two limit sliding rods (62) are fixedly arranged at two sides of the rotary column (3);
the inner wall of the rotary cylinder (61) is mutually attached to the outer wall of the rotary column (3), the length of the rotary cylinder (61) is smaller than that of the rotary column (3), and the two limit sliding rods (62) are mutually perpendicular to the rotary cylinder (61);
two top plates (63) are fixedly arranged at the top of the rotary drum (61), and rollers (64) are rotatably arranged on one sides of the two top plates (63);
the two top plates (63) are symmetrically arranged with the vertical center line of the rotary drum (61), and the rollers (64) and the top plates (63) are arranged vertically;
a plurality of jacking blocks (65) are arranged on one side of the roller (64), the horizontal height of the bottom of the roller (64) is lower than that of the top of the jacking blocks (65), the jacking blocks (65) are arranged in an annular equidistant manner on the inner circumferential surface of the outer shell (1), and the tops of the jacking blocks (65) are arranged in a slope manner;
a supporting spring (66) is fixedly arranged at the top of the top plate (63), and the supporting spring (66) is fixedly arranged at the top of the rotating column (3);
the bottom of the rotary drum (61) is provided with a hammering plate (67), the hammering plate (67) is fixedly arranged on the outer wall of the rotary column (3), and the hammering plate (67) and the rotary drum (61) are mutually perpendicular;
the hammer mechanism (7) comprises a rotating plate (71) arranged at the bottom of the heat storage plate block (2), and a fixed rod (72) is rotatably arranged in the middle of the rotating plate (71);
the fixed rod (72) is fixedly arranged on the inner wall of the outer shell (1), the rotating plate (71) and the fixed rod (72) are arranged in parallel, and the top of the rotating plate (71) is mutually attached to the bottom of the heat storage plate (2);
one side of the rotating plate (71) is fixedly provided with a striking roller (73), the striking roller (73) and the rotating plate (71) are arranged in parallel, the bottom of the rotating plate (71) is fixedly provided with a plurality of jacking springs (74), and the jacking springs (74) are fixedly arranged at the bottom of the outer shell (1).
2. A radial flow regenerative air preheater as set forth in claim 1, wherein: the beating roller (73) is made of rigid materials, the beating roller (73) and the heat storage plate (2) are arranged in a mutually perpendicular mode, and the top of the beating roller (73) and the bottom of the heat storage plate (2) are mutually attached.
3. A radial flow regenerative air preheater as set forth in claim 1, wherein: a filtering mechanism (8) is arranged on one side of the heat storage plate (2), the filtering mechanism (8) comprises a dust separation plate (81) fixedly arranged on the inner wall of the flue gas channel (4), a rotating rod (82) is arranged on one side of the dust separation plate (81), and the rotating rod (82) is rotatably arranged on the inner wall of the flue gas channel (4);
the outer wall of the rotating rod (82) is fixedly provided with a plurality of blades (83), the blades (83) are arranged in an annular equidistant manner on the outer circumferential surface of the rotating rod (82), and gaps are reserved between the blades (83) and the inner wall of the flue gas channel (4);
one side of the rotating rod (82) is rotatably provided with a synchronous belt (84), one side of the synchronous belt (84) is rotatably provided with a reciprocating threaded rod (85), and the reciprocating threaded rod (85) is rotatably arranged on the inner wall of the flue gas channel (4);
the outer wall thread of the reciprocating threaded rod (85) is connected with a scraping plate (86), and the scraping plate (86) and the reciprocating threaded rod (85) are arranged in a mutually perpendicular mode.
4. A radial flow regenerative air preheater as set forth in claim 3, wherein: the scraper blade (86) is rubber material, one side of scraper blade (86) and the outer wall of dust separation board (81) laminating each other, the height of scraper blade (86) is the same with the height of dust separation board (81).
5. A radial flow regenerative air preheater as set forth in claim 3, wherein: a flow baffle (87) is arranged on one side of the rotating rod (82), and the flow baffle (87) is fixedly arranged on the inner wall of the flue gas channel (4);
the flow baffle (87) is perpendicular to the flue gas channel (4), the height of the flow baffle (87) is smaller than the height of the inner wall of the flue gas channel (4), and the horizontal height of the top of the flow baffle (87) is lower than the horizontal height of the top of the blade (83).
6. A radial flow regenerative air preheater as set forth in claim 1, wherein: the top of the heat storage plate (2) is provided with a heat storage mechanism (9), the heat storage mechanism (9) comprises an inclined plate (91) fixedly arranged on the inner wall of the air channel (5), and the inclined plate (91) is obliquely arranged on the inner wall of the air channel (5);
one side of the inclined plate (91) is provided with an air blocking plate (92), the air blocking plate (92) is rotatably arranged on the inner wall of the air channel (5), the top of the air blocking plate (92) is fixedly provided with a limiting spring (93), and the limiting spring (93) is fixedly arranged on the inner wall of the air channel (5);
the air blocking plate (92) and the inclined plate (91) are arranged in a mutually crossing mode, and a plurality of ventilation grooves are formed in the top of the air blocking plate (92);
the top of choke plate (92) articulates there is arm-tie (94), the bottom of arm-tie (94) articulates there is wane (95), wane (95) rotate the bottom of installing in air channel (5), wane (95) are the slope setting with the bottom of air channel (5) as the plane.
7. A radial flow regenerative air preheater as set forth in claim 1, wherein: the bottom of the heat storage plate (2) is provided with a return stopping mechanism (10), the return stopping mechanism (10) comprises a swing rod (101) rotatably arranged on the inner wall of the flue gas channel (4), and a fan plate (102) is fixedly arranged on one side of the swing rod (101);
the fan plate (102) is L-shaped, the width of the fan plate (102) is smaller than the width of the inner wall of the flue gas channel (4), and a gap is reserved between the fan plate (102) and the inner wall of the flue gas channel (4);
the top of the fan plate (102) is hinged with a pull swing rod (103), and the top of the pull swing rod (103) is hinged to the bottom of the rotating plate (71).
8. A radial flow regenerative air preheater as set forth in claim 1, wherein: the top of the heat storage plate (2) is provided with a dust blowing mechanism (11), the dust blowing mechanism (11) comprises a fan (111) fixedly arranged at the top of the outer shell (1), and one side of the fan (111) is communicated with a dust blowing box (112);
the bottom of the blowing box (112) penetrates through the top of the outer shell (1), and the bottom of the blowing box (112) is arranged in a slope shape;
the bottom of the blowing box (112) is hinged with a wind shield (113), the length of the wind shield (113) is the same as that of the blowing box (112), and the width of the wind shield (113) is smaller than that of the blowing box (112);
one side of the wind shield (113) is fixedly provided with a plurality of deflector rods (114), and the deflector rods (114) and the wind shield (113) are arranged in parallel.
9. A radial flow regenerative air preheater as set forth in claim 8, wherein: the plurality of deflector rods (114) are made of rubber, the horizontal height of the bottoms of the plurality of deflector rods (114) is higher than that of the top of the heat storage plate (2), and the plurality of deflector rods (114) and the top of the heat storage plate (2) are mutually perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310278764.6A CN116221761B (en) | 2023-03-21 | 2023-03-21 | Radial flow back rotary heat accumulating type air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310278764.6A CN116221761B (en) | 2023-03-21 | 2023-03-21 | Radial flow back rotary heat accumulating type air preheater |
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| Publication Number | Publication Date |
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| CN116221761A CN116221761A (en) | 2023-06-06 |
| CN116221761B true CN116221761B (en) | 2023-09-22 |
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| CN202310278764.6A Active CN116221761B (en) | 2023-03-21 | 2023-03-21 | Radial flow back rotary heat accumulating type air preheater |
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| CN117515579B (en) * | 2023-12-15 | 2024-05-17 | 大唐贵州发耳发电有限公司 | Radial flow back rotary heat accumulating type air preheater |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006010247A (en) * | 2004-06-28 | 2006-01-12 | Taikisha Ltd | Rotary directional control valve and heat accumulating gas processing system using this valve |
| KR100918880B1 (en) * | 2009-06-08 | 2009-09-28 | (주)케스지기술환경 | Apparatus for regenerative thermal oxidation process with rotary type |
| CN101947527A (en) * | 2009-07-08 | 2011-01-19 | 布林能量解决方案公司 | The method of downtime air preheater not |
| CN205027194U (en) * | 2015-08-11 | 2016-02-10 | 青岛松灵电力环保设备有限公司 | Rotation type air heater contacts from sealing device a little |
| CN106949475A (en) * | 2017-04-01 | 2017-07-14 | 广东焕杰环保科技有限公司 | A kind of sludge incinerating system and its incinerating method |
| KR102173863B1 (en) * | 2020-07-14 | 2020-11-06 | (주)파워엔지니어링 | Fly Ash Deposit Preventative Devise for Power Plant |
| CN113819483A (en) * | 2021-09-18 | 2021-12-21 | 华能曲阜热电有限公司 | Corrosion-resistant air preheater capable of retarding dust deposition |
| CN215675285U (en) * | 2021-08-23 | 2022-01-28 | 泰山集团泰安华电热工有限公司 | Air preheater |
| CN216668413U (en) * | 2022-02-09 | 2022-06-03 | 中国大唐集团科学技术研究院有限公司中南电力试验研究院 | Ash removal device of rotary air preheater |
| CN217540804U (en) * | 2022-06-07 | 2022-10-04 | 华电新疆乌苏能源有限公司 | Improved rotary air preheater |
| CN115585475A (en) * | 2022-10-28 | 2023-01-10 | 江阴金童石化装备有限公司 | Multichannel heat accumulation formula air heater |
-
2023
- 2023-03-21 CN CN202310278764.6A patent/CN116221761B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006010247A (en) * | 2004-06-28 | 2006-01-12 | Taikisha Ltd | Rotary directional control valve and heat accumulating gas processing system using this valve |
| KR100918880B1 (en) * | 2009-06-08 | 2009-09-28 | (주)케스지기술환경 | Apparatus for regenerative thermal oxidation process with rotary type |
| CN101947527A (en) * | 2009-07-08 | 2011-01-19 | 布林能量解决方案公司 | The method of downtime air preheater not |
| CN205027194U (en) * | 2015-08-11 | 2016-02-10 | 青岛松灵电力环保设备有限公司 | Rotation type air heater contacts from sealing device a little |
| CN106949475A (en) * | 2017-04-01 | 2017-07-14 | 广东焕杰环保科技有限公司 | A kind of sludge incinerating system and its incinerating method |
| KR102173863B1 (en) * | 2020-07-14 | 2020-11-06 | (주)파워엔지니어링 | Fly Ash Deposit Preventative Devise for Power Plant |
| CN215675285U (en) * | 2021-08-23 | 2022-01-28 | 泰山集团泰安华电热工有限公司 | Air preheater |
| CN113819483A (en) * | 2021-09-18 | 2021-12-21 | 华能曲阜热电有限公司 | Corrosion-resistant air preheater capable of retarding dust deposition |
| CN216668413U (en) * | 2022-02-09 | 2022-06-03 | 中国大唐集团科学技术研究院有限公司中南电力试验研究院 | Ash removal device of rotary air preheater |
| CN217540804U (en) * | 2022-06-07 | 2022-10-04 | 华电新疆乌苏能源有限公司 | Improved rotary air preheater |
| CN115585475A (en) * | 2022-10-28 | 2023-01-10 | 江阴金童石化装备有限公司 | Multichannel heat accumulation formula air heater |
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| CN116221761A (en) | 2023-06-06 |
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Address after: No. 973, Changjiang Road, Jiangyin City, Wuxi City, Jiangsu Province, 214400 Applicant after: JIANGYIN JINTONG PETROCHEMICAL EQUIPMENT CO.,LTD. Address before: No. 973 Changjiang Road, Jiangyin City, Yangzhou City, Jiangsu Province, 214400 Applicant before: JIANGYIN JINTONG PETROCHEMICAL EQUIPMENT CO.,LTD. |
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