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CN-120488305-B - Wide-runner plate type air preheater with self-cleaning function

CN120488305BCN 120488305 BCN120488305 BCN 120488305BCN-120488305-B

Abstract

The invention provides a self-cleaning wide-runner plate type air preheater, which relates to the technical field of air preheater equipment and comprises a sleeve and a main shaft, wherein two ends of the sleeve are provided with communication components, each communication component comprises a clamping cover I and a clamping cover II, each communication component is provided with a supporting component, each supporting component comprises a side sleeve I and a side sleeve II, each side sleeve I is provided with a torsion component, each torsion component comprises a motor I and a prism, each side sleeve II is provided with a push-pull component, the self-cleaning wide-runner plate type air preheater can enable a spiral plate I and a spiral plate II to rotate back and forth on the inner side of the sleeve in a spiral mode, a sliding block drives a scraping plate to scrape outside sides of the spiral plate I and the spiral plate II back and forth under the limit of a sliding groove, dust on the spiral plate I and the spiral plate II can be scraped off, dust on the spiral wide-runner plate type heat exchange structure can be effectively subjected to dust removal work, the dust is prevented from affecting heat exchange efficiency, and the self-cleaning function is suitable for heating air by utilizing waste heat of flue gas.

Inventors

  • Ding Hanxiu

Assignees

  • 德州修振新能源有限公司

Dates

Publication Date
20260508
Application Date
20250627

Claims (4)

  1. 1. A self-cleaning wide flow channel plate type air preheater comprises a sleeve (1) and a main shaft (12), wherein two ends of the sleeve (1) are provided with communication components, each communication component comprises a first clamping cover (2) and a second clamping cover (3), and the self-cleaning wide flow channel plate type air preheater is characterized in that a supporting component is arranged on the communication component, each supporting component comprises a first side sleeve (8) and a second side sleeve (10), a torsion component is arranged on the first side sleeve (8), each torsion component comprises a first motor (9) and a prism (13), a push-pull component is arranged on the second side sleeve (10), each push-pull component comprises a second motor (11) and a screw rod (14), a flow channel component is arranged on the main shaft (12), each flow channel component comprises a first spiral plate (15) and a second spiral plate (16), each flow channel component is provided with an isolation component, each isolation component comprises a sliding plate (17) and a baffle (18), each sleeve (1) is provided with a dust removal component, each dust removal component comprises a sliding block (20) and a scraping plate (21), each first spiral plate (22) is arranged on the first clamping cover (2), each spiral plate (22) and each spiral plate (15) is welded on the outer side of the sleeve (15) and the main shaft (12), one end of each sliding plate (17) is welded at two ends of a first spiral plate (15) respectively, a seal (25) is arranged at the inner side of each inner cylinder (22), the other ends of the two sliding plates (17) penetrate through the seal (25) and extend to the inner sides of the first side sleeve (8) and the second side sleeve (10), two ends of each spiral plate (16) and each baffle (18) are welded on the inner wall of each inner cylinder (22) respectively, the two baffles (18) are welded at two ends of each spiral plate (16) respectively, the spiral plates (16) and the baffles (18) are clamped at the outer sides of a main shaft (12), spiral distances between the spiral plates (15) and the spiral plates (16) are equal, the sliding plates (17) at the two ends of each spiral plate (15) and the spiral plates (16) separate the sleeve (1) from the inner cylinders (22) into a first wide flow passage and a second wide flow passage, the first spiral plates and the second wide flow passages are welded on the inner cylinders (16) respectively, the spiral plates (16) are welded at two ends of each spiral plates (16) respectively, the spiral plates (16) are welded at two ends of each spiral plate (24) and the two spiral plates (23) respectively, and the two spiral plates (16) are welded at two ends of each spiral plate (23) respectively, the outer sides of the two groups of first spacing rings (23) and second spacing rings (24) are respectively clamped on the inner walls of the first clamping cover (2) and the second clamping cover (3) through sealing rings, and the outer sides of the separation plates (26) are respectively welded on the outer side of the inner cylinder (22), One side of a first partition ring (23) and the other side of a second partition ring (24), a partition plate (26) divides the space between the first partition ring (23) and the second partition ring (24) into a first annular cavity and a second annular cavity, two sides of the inner cylinder (22) are respectively provided with an air port (27) and a smoke port (29), the first partition ring (23) is provided with a connecting port (30), the second partition ring (24) is provided with a side port (28), the top of one end of the first clamping cover (2) is welded with an air inlet pipe (4), the bottom of the other end of the first clamping cover (2) is welded with a smoke outlet pipe (6), the top of one end of the second clamping cover (3) is welded with an air outlet pipe (5), the bottom of the other end of the second clamping cover (3) is welded with a smoke inlet pipe (7), and the air inlet pipe (4) sequentially passes through the inner side of one end of the first clamping cover (2), The side mouth (28), the first ring cavity, the air port (27), the wide runner, the air port (27) of one end of the second clamping cover (3), the first ring cavity, the side mouth (28), the inner side of one end of the second clamping cover (3) is communicated with the air outlet pipe (5), the smoke inlet pipe (7) sequentially passes through the inner side of the other end of the second clamping cover (3), the connecting port (30), the second ring cavity, the smoke port (29), the wide runner, the second clamping cover (2), the inner side of the other end of the second ring cavity, the connecting port (30), the clamping cover (2) is communicated with the air outlet pipe (6), the air outlet pipe (5) and the air outlet pipe (6) are both provided with temperature sensors (31), the outer sides of the first spacing ring (23) and the second spacing ring (24) are both welded with scraping strips (32), and the outer sides of the scraping strips (32) are respectively arranged on the inner walls of the first clamping cover (2) and the second clamping cover (3), The outer side of sleeve (1), the outside side of side cover one (8) and the outside side of side cover two (10), spout (19) have been seted up on the inner wall at the top of sleeve (1), slider (20) card is in the inboard of spout (19), the top welding of scraper blade (21) is in the bottom of slider (20), the bottom of scraper blade (21) extends to the outside side of main shaft (12), the both sides at screw plate one (15) and screw plate two (16) are blocked respectively to scraper blade (21).
  2. 2. The wide-runner plate-type air preheater with self-cleaning function according to claim 1, wherein the first side sleeve (8) is arranged on the outer side of one end of the sleeve (1), the second side sleeve (10) is arranged on the outer side of the other end of the sleeve (1), one end of the first clamping cover (2) is welded on the outer side of one end of the sleeve (1), the other end of the first clamping cover (2) is sleeved on the outer side of the first side sleeve (8), one end of the second clamping cover (3) is welded on the outer side of the other end of the sleeve (1), the other end of the second clamping cover (3) is welded on the outer side of the second side sleeve (10), the first motor (9) is arranged on the outer side of the first side sleeve (8) through bolts, and the second motor (11) is arranged on the outer side of the second side sleeve (10) through bolts.
  3. 3. The self-cleaning wide-runner plate type air preheater as set forth in claim 2, wherein the inner cylinder (22) comprises an inner cylinder I and an inner cylinder II, two ends of the inner cylinder I are respectively arranged at the outer sides of the sleeve (1) and the side sleeve I (8) through sealing rings, and two ends of the inner cylinder II are respectively arranged at the other end of the sleeve (1) and the outer side of the side sleeve II (10) through sealing rings.
  4. 4. The wide-runner plate-type air preheater with self-cleaning function according to claim 3, wherein one end of the main shaft (12) is arranged on the inner side of the first side sleeve (8), the other end of the main shaft (12) sequentially penetrates through the first inner cylinder, the sleeve (1) and the second inner cylinder and extends to the inner side of the second side sleeve (10), a prismatic groove is formed in one end of the main shaft (12), one end of the prismatic shaft (13) is connected with an output shaft key of the first motor (9), the other end of the prismatic shaft (13) penetrates through the first side sleeve (8) through a sealing ring and is clamped on the inner side of the prismatic groove, one end of the screw rod (14) is connected with an output shaft key of the second motor (11), and the other end of the screw rod (14) penetrates through the second side sleeve (10) through a sealing ring and is arranged on the inner side of the other end of the main shaft (12) through threads.

Description

Wide-runner plate type air preheater with self-cleaning function Technical Field The invention relates to the technical field of air preheater equipment, in particular to a wide-runner plate type air preheater with a self-cleaning function. Background In order to improve combustion efficiency and reduce energy waste, the invention patent with the patent application number of CN201910498171.4 often needs to use an air preheater to heat air, discloses a tubular air preheater capable of preventing ammonium bisulfate from being blocked, and can realize that each load section can be cleaned and blocked on line by improving the temperature of ammonium bisulfate decomposed by partitioning a heat exchange area in the tubular air preheater, and the temperature of primary hot air, the temperature of secondary hot air and the temperature of exhaust gas are not greatly different from a design value, so that adverse effects on boiler combustion and a follow-up dust remover of the air preheater are not caused, the invention patent with the patent application number of CN202010750602.4 discloses an anti-blocking heat exchange device of the pulverized coal boiler, the temperature of flue gas at an outlet of the air preheater and the temperature of the secondary air enter the air preheater are improved, the blocking phenomenon of the air preheater caused by ammonium bisulfate can be effectively relieved, the heat exchange of the flue gas at an inlet of a draught fan is effectively reduced, the boiler efficiency is effectively ensured, and according to the technical scheme disclosed by the device, on the one hand, the air preheater cannot be effectively attached to the boiler and cannot heat and the air can be heated, on the other hand, the air is not easily heated due to the heat efficiency of the heat exchange efficiency of the boiler and the air is not influenced by the temperature of the air. On the other hand, the ventilation mechanisms connected to the two ends of the air preheater cannot be cleaned effectively, the ventilation speed is easy to be reduced due to dust accumulation, and the work efficiency of the air preheater is not guaranteed. Disclosure of Invention Aiming at the defects of the prior art, the invention aims to provide a wide-runner plate type air preheater with a self-cleaning function, so as to solve the problems in the prior art. In order to achieve the aim, the wide-runner plate type air preheater with the self-cleaning function comprises a sleeve and a main shaft, wherein two ends of the sleeve are provided with communication components, the communication components comprise a clamping cover I and a clamping cover II, a support component is arranged on the communication components, the support component comprises a side sleeve I and a side sleeve II, a torsion component is arranged on the side sleeve I, the torsion component comprises a motor I and a prism, a push-pull component is arranged on the side sleeve II, the push-pull component comprises a motor II and a screw rod, the main shaft is provided with a runner component, the runner component comprises a screw plate I and a screw plate II, the runner component is provided with an isolation component, the isolation component comprises a sliding plate and a baffle plate, the sleeve is provided with an ash cleaning component, the ash cleaning component comprises a sliding block and a scraping plate, the clamping cover I is provided with the communication component, and the communication component comprises an inner barrel and the baffle plate. Further, the first side cover is installed in the outside of telescopic one end, the second side cover is installed in the outside of telescopic other end, the one end welding of card cover one is at the outside of telescopic one end, the other end cover of card cover one is established in the outside of side cover one, the one end welding of card cover two is at telescopic other end outside, the other end welding of card cover two is at the outside of side cover two, the outside of side cover one is installed through the bolt to motor one, the outside of side cover two is installed through the bolt to motor two. Further, the inner cylinder comprises a first inner cylinder and a second inner cylinder, two ends of the first inner cylinder are respectively arranged on the outer sides of the sleeve and the side sleeve I through sealing rings, and two ends of the second inner cylinder are respectively arranged on the other end of the sleeve and the outer side of the side sleeve II through sealing rings. Further, one end of the main shaft is installed on the inner side of the first side sleeve, the other end of the main shaft sequentially penetrates through the first inner cylinder, the sleeve and the second inner cylinder and extends to the inner side of the second side sleeve, a prismatic groove is formed in one end of the main shaft, one end of the prismatic shaft is connected with an output shaft key of the f