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CN-224202166-U - Rotary kiln barrel heat collection device and system

CN224202166UCN 224202166 UCN224202166 UCN 224202166UCN-224202166-U

Abstract

The utility model discloses a rotary kiln barrel heat collecting device and system, wherein the rotary kiln barrel heat collecting device comprises an arc-shaped plate, a plurality of arc-shaped pipes, a water inlet header, a water outlet header and a fixing frame, wherein the arc-shaped diameter of the arc-shaped plate is larger than that of a rotary kiln barrel, the arc-shaped pipes are fixed on the inner side of the arc-shaped plate, the arc-shaped pipes are arranged at intervals along the axial direction of the arc-shaped plate, the water inlet header is arranged on the side part of the arc-shaped plate and communicated with the arc-shaped pipes, the water outlet header is arranged on the side part of the arc-shaped plate and communicated with the arc-shaped pipes, and the fixing frame is connected with the arc-shaped plate and is used for fixing the arc-shaped plate on the upper side of the rotary kiln barrel. According to the utility model, the recovery of the waste heat on the surface of the rotary kiln cylinder body can be realized, and the rotary kiln cylinder body waste heat recovery device has the advantages of safety, reliability, high recovery efficiency, energy conservation, environmental protection and simple structure.

Inventors

  • WEN CAIXIA

Assignees

  • 上海国瑞同顺节能环保技术发展有限公司

Dates

Publication Date
20260505
Application Date
20250519

Claims (10)

  1. 1. A rotary kiln barrel heat collector, comprising: the arc-shaped plate has an arc-shaped diameter larger than that of the rotary kiln cylinder; The arc-shaped pipes are fixed on the inner side of the arc-shaped plate, and are arranged at intervals along the axial direction of the arc-shaped plate; the water inlet header is arranged at the side part of the arc-shaped plate and is communicated with the arc-shaped pipes; The water outlet header is arranged at the side part of the arc-shaped plate and is communicated with the arc-shaped pipes; The fixing frame is connected with the arc-shaped plate and used for fixing the arc-shaped plate on the upper side of the rotary kiln cylinder body.
  2. 2. The rotary kiln cylinder heat collecting apparatus as set forth in claim 1, wherein, The inner side of the arc-shaped plate is provided with a plurality of supporting bars which are arranged at intervals, the supporting bars are arranged along the axial direction of the arc-shaped plate, the supporting bars are arranged between the arc-shaped plate and the arc-shaped pipe, and the supporting bars are respectively and fixedly connected with the arc-shaped plate and the arc-shaped pipe.
  3. 3. The rotary kiln cylinder heat collecting apparatus as set forth in claim 2, wherein, The arc-shaped plates are steel plates, the supporting strips are steel bars, the arc-shaped pipes are steel pipes, the supporting strips are welded and fixed with the arc-shaped plates, and each arc-shaped pipe is welded and fixed with a plurality of supporting strips.
  4. 4. The rotary kiln cylinder heat collecting apparatus as set forth in claim 1, wherein, The plurality of arc-shaped pipes are at least divided into a group of arc-shaped pipe groups, and each group of arc-shaped pipe groups is respectively communicated with the water inlet header and the water outlet header.
  5. 5. The rotary kiln cylinder heat collecting apparatus as set forth in claim 4, wherein, The water inlet header and the water outlet header are respectively positioned at two sides of the arc-shaped plate, or the water inlet header and the water outlet header are positioned at the same side of the arc-shaped plate.
  6. 6. The rotary kiln cylinder heat collecting apparatus as set forth in claim 5, wherein, And a plurality of arc-shaped pipes in each group of arc-shaped pipe groups are sequentially connected end to end and are distributed in a serpentine manner along the axial direction of the arc-shaped plate.
  7. 7. The rotary kiln cylinder heat collecting apparatus as set forth in claim 5, wherein, The arc-shaped pipes in each group are uniformly arranged at intervals along the axial direction of the arc-shaped plate, one ends of the arc-shaped pipes are respectively connected with the water inlet header, and the other ends of the arc-shaped pipes are respectively connected with the water outlet header.
  8. 8. The rotary kiln barrel heat collector as recited in claim 1 further comprising: The heat preservation layer is coated on one side, far away from the arc-shaped pipe, of the arc-shaped plate.
  9. 9. A rotary kiln barrel heat collection system comprising a rotary kiln barrel heat collection apparatus as claimed in any one of claims 1 to 8, further comprising: the rotary kiln barrel, the arc set up in the upside of rotary kiln barrel, the central angle of arc is not more than 180.
  10. 10. The rotary kiln barrel heat collection system of claim 9, further comprising: the first water tank is connected with the water outlet header pipe through a first pipeline; The heat exchange station is connected with the first water tank through a second pipeline, and a first water pump is arranged on the second pipeline; The second water tank is connected with the heat exchange station through a third pipeline, the second water tank is connected with the water inlet header pipe through a fourth pipeline, and a second water pump is arranged on the fourth pipeline.

Description

Rotary kiln barrel heat collection device and system Technical Field The utility model relates to the technical field of energy-saving equipment, in particular to a rotary kiln cylinder heat collection device and a rotary kiln cylinder heat collection system. Background The rotary kiln is a calcining device used in the industrial field and is mainly applied to the industrial fields of cement rotary kilns, lime rotary kilns, alumina clinker calcining kilns, kaolin calcining kilns, carbon calcining kilns, ore sand calcining and the like. For a rotary kiln for daily production of 5000t/d clinker in a cement plant, the outer diameter of the kiln cylinder is 4.2-5.0 m, the outer surface temperature of the kiln cylinder close to the kiln head side can reach 320-350 ℃, and for a 20-ten thousand ton/year kaolin calcining kiln, the diameter of the rotary kiln is 4.2m, the outer surface temperature of the kiln cylinder can reach 280 ℃ at most, and the waste heat amount is large. The heat on the surface of the kiln cylinder body is directly released into the air in a radiation and convection mode, so that energy waste and environmental pollution are generated. Therefore, there is a need to design a rotary kiln cylinder heat collector and system to solve the above problems. Disclosure of utility model Aiming at the technical problems, the utility model aims to provide the rotary kiln barrel heat collection device and the rotary kiln barrel heat collection system, which can realize the recovery of the waste heat on the surface of the rotary kiln barrel and have the advantages of safety, reliability, high recovery efficiency, energy conservation, environmental protection and simple structure. In order to achieve the above object, the present utility model provides a rotary kiln cylinder heat collecting device, comprising: the arc-shaped plate has an arc-shaped diameter larger than that of the rotary kiln cylinder; The arc-shaped pipes are fixed on the inner side of the arc-shaped plate, and are arranged at intervals along the axial direction of the arc-shaped plate; the water inlet header is arranged at the side part of the arc-shaped plate and is communicated with the arc-shaped pipes; The water outlet header is arranged at the side part of the arc-shaped plate and is communicated with the arc-shaped pipes; The fixing frame is connected with the arc-shaped plate and used for fixing the arc-shaped plate on the upper side of the rotary kiln cylinder body. In some embodiments, the inner side of the arc plate is provided with a plurality of supporting bars arranged at intervals, the supporting bars are arranged along the axial direction of the arc plate, the supporting bars are arranged between the arc plate and the arc tube, and the supporting bars are respectively and fixedly connected with the arc plate and the arc tube. In some embodiments, the arc plate is a steel plate, the support bar is a steel bar, the arc tube is a steel tube, the support bar is welded and fixed with the arc plate, and each arc tube is welded and fixed with a plurality of support bars respectively. In some embodiments, the plurality of arcuate tubes are divided into at least one set of arcuate tube groups, each set of arcuate tube groups being in communication with the inlet header and the outlet header, respectively. In some embodiments, the inlet header and the outlet header are located on either side of the arcuate plate, respectively, or the inlet header and the outlet header are located on the same side of the arcuate plate. In some embodiments, a plurality of the arc-shaped pipes in each group of the arc-shaped pipe groups are connected end to end in sequence and are arranged in a serpentine manner along the axial direction of the arc-shaped plate. In some embodiments, a plurality of arc-shaped pipes in each group of arc-shaped pipe groups are uniformly arranged at intervals along the axial direction of the arc-shaped plate, one ends of the plurality of arc-shaped pipes are respectively connected with the water inlet header, and the other ends of the plurality of arc-shaped pipes are respectively connected with the water outlet header. In some embodiments, further comprising: The heat preservation layer is coated on one side, far away from the arc-shaped pipe, of the arc-shaped plate. According to another aspect of the present utility model, there is further provided a rotary kiln barrel heat collecting system including the rotary kiln barrel heat collecting device as set forth in any one of the above, further including: the rotary kiln barrel, the arc set up in the upside of rotary kiln barrel, the central angle of arc is not more than 180. In some embodiments, further comprising: the first water tank is connected with the water outlet header pipe through a first pipeline; The heat exchange station is connected with the first water tank through a second pipeline, and a first water pump is arranged on the second pipeline; The second water ta