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CN-224215854-U - Energy-saving type high-temperature carbon calcined coke particle cooling device

CN224215854UCN 224215854 UCN224215854 UCN 224215854UCN-224215854-U

Abstract

The utility model provides an energy-saving high-temperature carbon calcined coke particle cooling device which comprises a high-temperature section for producing steam at the upper part and a low-temperature section for producing hot water at the lower part, wherein the high-temperature section is formed by coiling a heat exchange coil, steam is produced in a heat exchange tube, the low-temperature section consists of an inner plate and an outer plate, the outer plate comprises a first outer plate and a second outer plate which are respectively and independently arranged on the outer wall of the inner plate, independent heat exchange spaces are respectively formed between the outer plate and the inner plate, the two heat exchange spaces are communicated through an external connecting tube, one of the first outer plate and the second outer plate is provided with a water inlet, and the other outer plate is provided with a water outlet. In the device, a high Wen Duanyou heat exchange coil is formed and directly contacts with high-temperature particles, the steam production effect is good, the energy-saving efficiency is high, two independent heat exchange spaces are arranged at the low-temperature section, water flows are communicated in series through a connecting pipe, the water flow speed in a jacket can be effectively increased, scale deposition is reduced, oxygen separated from retained steam and cold water can be brought out of the jacket by high-speed water flow, and oxygen corrosion is avoided.

Inventors

  • WANG YALUN
  • WEI YONGSHUAI
  • TANG WENJUN

Assignees

  • 南京华电节能环保股份有限公司

Dates

Publication Date
20260508
Application Date
20250427

Claims (7)

  1. 1. The energy-saving high-temperature calcined coke particle cooling device is characterized by comprising a high-temperature section (1) for producing steam at the upper part and a low-temperature section (2) for producing hot water at the lower part, wherein the high-temperature section is formed by coiling a heat exchange coil, steam is produced in a heat exchange tube, the low-temperature section (2) consists of an inner plate (21) and an outer plate (22), the outer plate (22) comprises a first outer plate (22-1) and a second outer plate (22-2), the first outer plate and the second outer plate are independently arranged on the outer wall of the inner plate (21) and form independent heat exchange spaces with the inner plate (21) respectively, one of the two heat exchange spaces is communicated with the outer plate through an external connecting tube (3), and a water inlet is formed in one of the first outer plate (22-1) and the second outer plate (22-2), and a water outlet is formed in the other outer plate.
  2. 2. The energy-saving type high-temperature calcined coke particle cooling device according to claim 1, wherein a first water inlet (4) is formed in the position, close to the bottom, of the first outer plate (22-1), a first water outlet (5) is formed in the position, close to the top, of the second outer plate (22-2), the upper end of the connecting pipe (3) is connected with the side wall, close to the top, of the first outer plate (22-1), and the lower end of the connecting pipe is connected with the side wall, close to the bottom, of the second outer plate (22-2).
  3. 3. The energy-saving type high-temperature calcined coke particle cooling device according to claim 1, wherein the inner plate (21) comprises a first inner plate (21-1) and a second inner plate (21-2), the first outer plate (22-1) is arranged on the outer wall of the first inner plate (21-1), the second outer plate (22-2) is arranged on the outer wall of the second inner plate (21-2), and the first inner plate (21-1) and the second inner plate (21-2) are spliced in a sealing way to form the inner plate (21).
  4. 4. The energy-saving type high-temperature carbon calcined coke particle cooling device according to claim 1, wherein the high-temperature section (1) is formed by coiling a heat exchange tube (11), one end of the heat exchange tube (11) is provided with a second water inlet (11-1), and the other end of the heat exchange tube is provided with a second water outlet (11-2).
  5. 5. The energy-saving type high-temperature carbon calcined coke particle cooling device according to claim 1, wherein the pipe diameter of the connecting pipe (3) is selected to enable the flow velocity of water in the pipe to reach more than 1 m/s.
  6. 6. The energy-saving type high-temperature carbon calcined coke particle cooling device according to claim 1, wherein the high-temperature section (1) and the low-temperature section (2) are both cylindrical structures.
  7. 7. The energy-saving type high-temperature carbon calcined coke particle cooling device according to claim 1, wherein the lower end of the high-temperature section (1) and the upper end of the low-temperature section (2) are connected in a sealing manner through a flange.

Description

Energy-saving type high-temperature carbon calcined coke particle cooling device Technical Field The utility model belongs to the technical field of calcined coke particle cooling devices, and particularly relates to an energy-saving high-temperature carbon calcined coke particle cooling device. Background At present, in the carbon process, petroleum coke or asphalt coke and the like are calcined at high temperature to 1000 ℃ and then slowly fall into a water jacket cooler to be cooled to 100 ℃ under the action of gravity (in order to prevent the oxidation of the calcined coke, the quality is ensured, and the temperature is ensured). The cold water enters the water jacket and is cooled with the calcined coke through the partition plate, the cold water is changed into hot water, then is cooled by an external cooling tower and is changed into cold water, and the cold water enters the water jacket type cooler again under the driving of the circulating pump. The water jacket cooler is divided into a high-temperature section and a low-temperature section, the two sections are connected in series through flanges, cooling water is connected in series through connecting pipes, the high-temperature section is arranged above, the low-temperature section is arranged below, high-temperature calcined coke enters the low-temperature section after entering the high-temperature section, and cooling water enters the low-temperature section after entering the high-temperature section. The circulating water has poor quality, dirt is easy to deposit, even if the hand hole is formed, the dirt cannot be completely discharged in time, so that the cooling capacity of the water cooling jacket is reduced, meanwhile, the water jacket is provided with a water flow dead angle, so that the water cooling jacket is often remained, turns into steam, the cooling capacity is reduced, the wall plate bulge of the jacket is damaged, oxygen dissolved in the water is separated out at high temperature, and oxygen corrosion is caused to the top end of the wall plate. In addition, the heat of the high-temperature calcined coke is wasted. Disclosure of utility model The utility model aims to overcome the defects of the prior art, and provides an energy-saving high-temperature calcined coke particle cooling device which can effectively utilize the waste heat of high-temperature calcined coke particles, can avoid oxygen corrosion, improves the cooling capacity and prolongs the service life of a water jacket. The technical scheme is that in order to achieve the aim of the utility model, the utility model adopts the following technical scheme: An energy-saving high-temperature calcined coke particle cooling device comprises a high-temperature section for producing steam at the upper part and a low-temperature section for producing hot water at the lower part. The high-temperature section is formed by coiling a heat exchange coil, steam is generated in a heat exchange tube, the low-temperature section comprises an inner plate and an outer plate, the outer plate comprises a first outer plate and a second outer plate which are independently arranged on the outer wall of the inner plate, independent heat exchange spaces are respectively formed between the outer plate and the inner plate, the two heat exchange spaces are communicated through an external connecting tube, one of the first outer plate and the second outer plate is provided with a water inlet, and the other outer plate is provided with a water outlet. The upper end of the connecting pipe is connected with the side wall of the first outer plate near the top position, and the lower end of the connecting pipe is connected with the side wall of the second outer plate near the bottom position. As a specific embodiment, the inner plate comprises a first inner plate and a second inner plate, the first outer plate is arranged on the outer wall of the first inner plate, the second outer plate is arranged on the outer wall of the second inner plate, and the first inner plate and the second inner plate are spliced in a sealing way to form the inner plate. As a specific implementation scheme, the high-temperature section is formed by coiling a heat exchange tube, one end of the heat exchange tube is provided with a second water inlet, and the other end of the heat exchange tube is provided with a second water outlet. As a specific embodiment, the pipe diameter of the connecting pipe is selected so that the flow velocity of water in the pipe can reach more than 1 m/s. As a specific embodiment, the high temperature section and the low temperature section are both cylindrical structures. As a specific embodiment, the high temperature section and the low temperature section are of an integral connecting structure, and the lower end of the high temperature section and the upper end of the low temperature section are connected in a sealing way through a flange. The two can also be of split type structure, and are