Search

CN-224230726-U - Shale haydite rotary kiln calcination waste heat recovery device

CN224230726UCN 224230726 UCN224230726 UCN 224230726UCN-224230726-U

Abstract

The utility model relates to the field of calcination waste heat recovery of rotary kilns, in particular to a shale ceramsite rotary kiln calcination waste heat recovery device which comprises a heat exchange device connected with a pipeline rotary kiln, wherein the heat exchange device comprises a tank body, a heat exchange tube is arranged in the tank body, a cleaning component is arranged on the surface of the heat exchange tube and comprises a motor, a threaded rod, a threaded cylinder and a cleaning plate, one end of the threaded rod is fixedly connected with the output end of the motor, the threaded cylinder is in threaded connection with the surface of the threaded rod, and the cleaning plate is fixedly arranged on the surface of the threaded cylinder.

Inventors

  • YI JURAN

Assignees

  • 宜昌朗天新型建材有限公司

Dates

Publication Date
20260512
Application Date
20250521

Claims (8)

  1. 1. The utility model provides a shale haydite rotary kiln calcination waste heat recovery device, includes to utilize pipeline rotary kiln (1) to be connected to heat transfer device (2), its characterized in that: The heat exchange device (2) comprises a tank body (21), a heat exchange tube (221) is arranged in the tank body (21), a cleaning assembly (3) is arranged on the surface of the heat exchange tube (221), the cleaning assembly (3) comprises a motor (31), a threaded rod (32), a threaded cylinder (33) and a cleaning plate (34), one end of the threaded rod (32) is fixedly connected with the output end of the motor (31), the threaded cylinder (33) is in threaded connection with the surface of the threaded rod (32), and the cleaning plate (34) is fixedly arranged on the surface of the threaded cylinder (33); One side of the tank body (21) is provided with a discharging component (4), the discharging component (4) comprises a discharging cylinder (41), a discharging cylinder (42) and a filtering piece (43), one end of the discharging cylinder (41) is arranged on the side wall of the tank body (21), one end of the discharging cylinder (42) is arranged on the bottom of the discharging cylinder (41), and the filtering piece (43) is arranged in the discharging cylinder (41).
  2. 2. The calcination waste heat recovery device for the shale ceramsite rotary kiln according to claim 1, wherein the heat exchange device (2) further comprises a heat exchange part (22), an air inlet cavity (23) and an exhaust cavity (24) which are arranged in the tank body (21), the heat exchange part (22) is positioned between the air inlet cavity (23) and the exhaust cavity (24), one end of the air inlet cavity (23) is provided with an air inlet pipe (5), and one end of the exhaust cavity (24) is provided with an exhaust pipe (6).
  3. 3. The calcination waste heat recovery device for the shale ceramsite rotary kiln according to claim 2, wherein the heat exchange part (22) comprises a heat exchange tube (221), a first baffle plate (222) and a second baffle plate (223), the first baffle plate (222) and the second baffle plate (223) are respectively positioned at two ends of the heat exchange tube (221), and the heat exchange tube (221) penetrates through the first baffle plate (222) and the second baffle plate (223).
  4. 4. A shale ceramsite rotary kiln calcination waste heat recovery device according to claim 3, wherein one surface of the first baffle plate (222) close to the second baffle plate (223) is designed to be inclined, and the inclined direction is towards one side of the discharge cylinder (41).
  5. 5. The calcination waste heat recovery device for the shale ceramisite rotary kiln according to claim 1, wherein the cleaning plate (34) is movably sleeved on the surface of the heat exchange tube (221), and one end of the threaded rod (32) far away from the motor (31) is movably connected with one surface of the second baffle plate (223) through a bearing.
  6. 6. The calcination waste heat recovery device for the shale ceramsite rotary kiln according to claim 1, wherein the filtering piece (43) comprises a connecting rod (431), a filtering plate (432) and a cover plate (433), one end of the connecting rod (431) is connected with the filtering plate (432), and the other end of the connecting rod is connected with the cover plate (433).
  7. 7. The calcination waste heat recovery device for the shale ceramsite rotary kiln according to claim 6, wherein a thread groove is formed in the inner wall of the cover plate (433), and the cover plate (433) is in threaded connection with the outer wall of one end, far away from the tank body (21), of the discharge cylinder (41).
  8. 8. The calcination waste heat recovery device of the shale ceramsite rotary kiln according to claim 2, wherein a water inlet pipe (7) is arranged on one side of the tank body (21), the water inlet pipe (7) and the discharge cylinder (41) are distributed on two sides of the side wall of the tank body (21), and the water inlet pipe (7) and the discharge cylinder (41) are positioned at two ends of the tank body (21).

Description

Shale haydite rotary kiln calcination waste heat recovery device Technical Field The utility model relates to the field of calcination waste heat recovery of rotary kilns, in particular to a shale ceramsite rotary kiln calcination waste heat recovery device. Background Shale ceramsite is spherical or elliptic porous lightweight aggregate formed by taking shale as a main material and crushing and high-temperature roasting and expanding, has small particle size and a honeycomb pore structure inside, and can be formed into balls by using a rotary kiln in the process of forming balls. When the rotary kiln is used for balling, waste gas is generated, the existing waste gas is directly discharged into the air after being purified, heat carried by the waste gas can be wasted, the heat exchange operation is carried out by taking water as a medium in the prior art, the heat carried by the waste gas is reused, but after the rotary kiln works normally, scales are generated on the pipe wall of the heat exchange pipe, and the heat exchange efficiency can be influenced by the scales adsorbed on the pipe wall. Disclosure of utility model Based on the expression, the utility model provides a shale ceramsite rotary kiln calcination waste heat recovery device, which aims to solve the problem that scale is generated on the wall of a heat exchange tube in the existing recovery device. The technical scheme for solving the technical problems is that the shale ceramsite rotary kiln calcination waste heat recovery device comprises a heat exchange device connected with a pipeline rotary kiln; the heat exchange device comprises a tank body, wherein a heat exchange tube is arranged in the tank body, a cleaning assembly is arranged on the surface of the heat exchange tube, the cleaning assembly comprises a motor, a threaded rod, a threaded cylinder and a cleaning plate, one end of the threaded rod is fixedly connected with the output end of the motor, the threaded cylinder is in threaded connection with the surface of the threaded rod, and the cleaning plate is fixedly arranged on the surface of the threaded cylinder; The discharging assembly is arranged on one side of the tank body, the discharging assembly comprises a discharging barrel, a discharging barrel and a filtering piece, one end of the discharging barrel is arranged on the side wall of the tank body, one end of the discharging barrel is arranged on the bottom of the discharging barrel, and the filtering piece is arranged in the discharging barrel. Further, the heat exchange device further comprises a heat exchange part, an air inlet cavity and an exhaust cavity which are arranged in the tank body, the heat exchange part is positioned between the air inlet cavity and the exhaust cavity, one end of the air inlet cavity is provided with an air inlet pipe, and one end of the exhaust cavity is provided with an exhaust pipe. On the basis of the technical scheme, the utility model can be improved as follows. Further, the heat exchange part comprises a heat exchange tube, a first baffle and a second baffle, wherein the first baffle and the second baffle are respectively positioned at two ends of the heat exchange tube, and the heat exchange tube penetrates through the first baffle and the second baffle. Further, one surface of the first baffle close to the second baffle is designed to be inclined, and the inclined direction is towards one side of the discharge cylinder. Further, the clearance board movable sleeve is established on the surface of heat exchange tube, and the one end that the threaded rod kept away from the motor carries out swing joint with the one side of second baffle through the bearing. Further, the filter element comprises a connecting rod, a filter plate and a cover plate, one end of the connecting rod is connected with the filter plate, and the other end of the connecting rod is connected with the cover plate. Further, the inner wall of the cover plate is provided with a thread groove, and the cover plate is in threaded connection with the outer wall of one end of the discharge cylinder, which is far away from the tank body. Further, the inlet tube is installed to one side of the jar body, and inlet tube and row feed cylinder distribute on the both sides of jar body lateral wall, and inlet tube and row feed cylinder are located the both ends of the jar body simultaneously. Compared with the prior art, the technical scheme of the application has the following beneficial technical effects: 1. According to the utility model, the cleaning assembly is arranged on the heat exchange tube, the motor in the cleaning assembly is utilized to drive the cleaning plate to move, so that the cleaning plate scrapes the side wall of the heat exchange tube, the effect of removing scale on the outer wall of the heat exchange tube is achieved, and meanwhile, the side wall of the cleaning plate is contacted with the inner wall of the tank body, so that the effect of cleaning the i