Search

CN-122015507-A - Flue gas waste heat recovery device of heat conduction oil aluminum melting furnace

CN122015507ACN 122015507 ACN122015507 ACN 122015507ACN-122015507-A

Abstract

The invention discloses a flue gas waste heat recovery device of a heat conduction oil aluminum melting furnace, which relates to the technical field of baking furnaces, and comprises a smelting furnace, wherein a supporting rod is fixedly connected to the outer wall of the smelting furnace, an exhaust pipeline is fixedly connected to the top of the smelting furnace, a smelting furnace opening and closing door is arranged on the front surface of the exhaust pipeline, a waste heat recovery mechanism is arranged in the exhaust pipeline, and the waste heat recovery mechanism is arranged.

Inventors

  • WANG CHANGHAI
  • WANG YOUTANG
  • YU ZHEN
  • MAO MINGMING
  • GENG BO
  • LI CHENGYU
  • YU YIKE
  • DING MENG
  • ZHAO YUDI

Assignees

  • 山东利尔新材股份有限公司

Dates

Publication Date
20260512
Application Date
20260413

Claims (10)

  1. 1. The flue gas waste heat recovery device of the heat conduction oil aluminum melting furnace comprises a melting furnace (1), wherein a supporting rod (2) is fixedly connected to the outer wall of the melting furnace (1), an exhaust pipeline (5) is fixedly connected to the top of the melting furnace (1), and a melting furnace opening and closing door (6) is arranged on the front side of the exhaust pipeline (5), and the waste heat recovery device is characterized in that a waste heat recovery mechanism (3) is arranged inside the exhaust pipeline (5); the waste heat recovery mechanism (3) comprises: The rotary shaft (301), the rotary shaft (301) is of a circular columnar structure, a first bearing sleeve (302) is rotationally connected to the top of the rotary shaft (301), a fixed water inlet rod (303) is fixedly connected to the top of the first bearing sleeve (302), and one end, far away from the first bearing sleeve (302), of the fixed water inlet rod (303) is fixedly connected with one side of the inner wall of the melting furnace (1); The fixed water outlet rod (305), fixed water outlet rod (305) and fixed water inlet rod (303) are L type pole column structure, fixed water outlet rod (305) one end rotates and is connected with second bearing sleeve (304), second bearing sleeve (304) top and pivot (301) bottom fixed connection, fixed water outlet rod (305) keep away from the one end and furnace (1) inner wall one side fixed connection of second bearing sleeve (304), pivot (301) outer wall is provided with slope heat-conducting plate (308).
  2. 2. The device for recycling flue gas waste heat of the heat conducting oil aluminum melting furnace is characterized in that the number of the inclined heat conducting plates (308) is sixteen, sixteen inclined heat conducting plates (308) are equidistantly distributed on the outer wall of the rotating shaft (301) in an annular array with the center of the rotating shaft (301) as a point, and one side of each inclined heat conducting plate (308) is fixedly connected with the outer wall of the rotating shaft (301).
  3. 3. The device for recycling flue gas waste heat of heat conducting oil aluminum melting furnace according to claim 2, wherein the inner wall of the rotating shaft (301) is communicated with the inside of the fixed water inlet rod (303) through a first bearing sleeve (302), and the inside of the rotating shaft (301) is communicated with the inside of the fixed water outlet rod (305) through a second bearing sleeve (304).
  4. 4. The device for recycling flue gas waste heat of heat conducting oil aluminum melting furnace according to claim 3, wherein a water inlet head (306) and a water outlet head (307) are fixedly connected to the outer wall of the exhaust pipeline (5), the water inlet head (306) is communicated with the inside of the fixed water inlet rod (303), and the water outlet head (307) is communicated with the inside of the fixed water outlet rod (305).
  5. 5. The device for recycling flue gas waste heat of the heat conducting oil aluminum melting furnace, as set forth in claim 4, is characterized in that a sliding heat conducting rod (309) is arranged on the inner wall of the inclined heat conducting plate (308), the sliding heat conducting rod (309) is slidably connected in the inner wall of the inclined heat conducting plate (308), an internal spring is arranged in the inclined heat conducting plate (308), one end of the internal spring is fixedly connected with one end of the sliding heat conducting rod (309), and the other end of the internal spring is fixedly connected with the inner wall of the inclined heat conducting plate (308).
  6. 6. The device for recovering flue gas waste heat of the heat conducting oil aluminum melting furnace of claim 5, wherein a first filter screen (310) is arranged on one side of the inclined heat conducting plate (308), the first filter screen (310) is triangular, and filter holes (311) are formed in the inner wall of the first filter screen (310).
  7. 7. The device for recycling flue gas waste heat of the heat conducting oil aluminum melting furnace according to claim 6, wherein the dynamic adjusting mechanism (4) is arranged on the outer wall of the sliding heat conducting rod (309), the dynamic adjusting mechanism (4) comprises a fixing strip (401), one end of the fixing strip (401) is fixedly connected with the outer wall of the sliding heat conducting rod (309), the other end of the fixing strip (401) is fixedly connected with a fixing block (402), and the fixing block (402) is fixedly connected with the outer wall of the first filter screen (310).
  8. 8. The device for recycling flue gas waste heat of the heat conducting oil aluminum melting furnace of claim 7, wherein a second filter screen (403) is fixedly connected to the top of the rotating shaft (301), filter holes (311) are formed in the surfaces of the second filter screen (403) and the first filter screen (310), a limiting strip (404) is fixedly connected to the bottom of the inclined heat conducting plate (308), and a sliding block (405) is slidably connected to the bottom of the limiting strip (404).
  9. 9. The device for recycling flue gas waste heat of the heat conducting oil aluminum melting furnace of claim 8, wherein a connecting piece (406) is fixedly connected to the outer wall of the sliding block (405), one end of the connecting piece (406) is fixedly connected with the bottom of the first filter screen (310), and a telescopic rod (407) is arranged on one side of the sliding block (405).
  10. 10. The device for recycling flue gas waste heat of the heat conducting oil aluminum melting furnace is characterized in that one end of the telescopic rod (407) is fixedly connected with the outer wall of the rotating shaft (301), the other end of the telescopic rod (407) is fixedly connected with the outer wall of the sliding block (405), a spring is arranged in the telescopic rod (407), and the telescopic rod (407) is used for resetting the sliding block (405).

Description

Flue gas waste heat recovery device of heat conduction oil aluminum melting furnace Technical Field The invention relates to the technical field of baking ovens, in particular to a flue gas waste heat recovery device of a heat conduction oil aluminum melting furnace. Background In the field of industrial production, a melting furnace is an indispensable key device in a plurality of technological processes, and is widely applied to industries such as metal smelting, ceramic firing, chemical raw material synthesis and the like. In the running process of the furnace, in order to maintain the high-temperature environment inside to meet the production process requirements, a large amount of fuel such as coal, natural gas, heavy oil and the like is required to be continuously consumed; The utility model provides a heat conduction oil aluminum melting furnace flue gas waste heat recovery device that is described in patent application of publication number CN213984621U, includes heat conduction oil heat exchanger, oil-water plate heat exchanger and water tank, the heat conduction oil heat exchanger is parallelly connected to the exhaust branch pipe of being connected with aluminum melting furnace through the exhaust pipe who connects, the parallel section of exhaust branch pipe is equipped with first electronic blast gate, the exhaust inlet department of heat conduction oil heat exchanger is provided with the second electronic blast gate, the oil side exit linkage of heat conduction oil heat exchanger is to the oil side interface of oil-water plate heat exchanger, the water side exit linkage of oil-water plate heat exchanger is to the water tank, heat conduction oil in the heat conduction oil heat exchanger oil pipe is given with the flue gas waste heat transmission to the heat conduction oil of heat conduction oil heat exchanger, oil-water plate heat exchanger gives the water in the oil-water pipe of heat conduction oil. The fuel can generate a large amount of high-temperature flue gas in the combustion process, and the high-temperature flue gas is usually directly discharged into the atmosphere through an exhaust pipeline, however, the high-temperature flue gas contains a large amount of heat energy, the direct discharge can cause huge energy waste, the production cost of enterprises is increased, and the method is contrary to the current industrial development concepts of energy conservation, emission reduction and energy utilization efficiency improvement. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a flue gas waste heat recovery device of a heat conduction oil aluminum melting furnace, which realizes the purpose of solving the problems. The flue gas waste heat recovery device of the heat conduction oil aluminum melting furnace comprises a melting furnace, wherein a supporting rod is fixedly connected to the outer wall of the melting furnace, an exhaust pipeline is fixedly connected to the top of the melting furnace, a melting furnace opening and closing door is arranged on the front face of the exhaust pipeline, and a waste heat recovery mechanism is arranged in the exhaust pipeline; The waste heat recovery mechanism includes: The rotating shaft is of a circular columnar structure, a first bearing sleeve is rotationally connected to the top of the rotating shaft, a fixed water inlet rod is fixedly connected to the top of the first bearing sleeve, and one end, far away from the first bearing sleeve, of the fixed water inlet rod is fixedly connected with one side of the inner wall of the melting furnace; The fixed water outlet rod and the fixed water inlet rod are of L-shaped rod structures, one end of the fixed water outlet rod is rotatably connected with a second bearing sleeve, the top of the second bearing sleeve is fixedly connected with the bottom of the rotating shaft, one end, far away from the second bearing sleeve, of the fixed water outlet rod is fixedly connected with one side of the inner wall of the melting furnace, and an inclined heat conducting plate is arranged on the outer wall of the rotating shaft. Preferably, the number of the inclined heat conducting plates is sixteen, sixteen inclined heat conducting plates are equidistant and distributed on the outer wall of the rotating shaft in an annular array with the center of the rotating shaft as a point, and one side of each inclined heat conducting plate is fixedly connected with the outer wall of the rotating shaft. Preferably, the inner wall of the rotating shaft is communicated with the inside of the fixed water inlet rod through a first bearing sleeve, and the inside of the rotating shaft is communicated with the inside of the fixed water outlet rod through a second bearing sleeve. Preferably, the outer wall of the exhaust pipeline is fixedly connected with a water inlet head and a water outlet head, the water inlet head is communicated with the inside of the fixed water inlet rod, and the water out